refractometry

Summary

Summary: Measurement of the index of refraction (the ratio of the velocity of light or other radiation in the first of two media to its velocity in the second as it passes from one into the other).

Top Publications

  1. ncbi Refractive index sensing based on higher-order mode reflection of a microfiber Bragg grating
    Yu Zhang
    Wuhan National Laboratory for Optoelectronics and Institute of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
    Opt Express 18:26345-50. 2010
  2. ncbi The refractive index of human hemoglobin in the visible range
    O Zhernovaya
    International Research Educational Center of Optical Technologies for Industry and Medicine Photonics, Saratov State University, 83 Astrakhanskaya str, 410012 Saratov, Russia
    Phys Med Biol 56:4013-21. 2011
  3. pmc Fiber Bragg grating sensors for harsh environments
    Stephen J Mihailov
    Communications Research Centre Canada, 3701 Carling Avenue, P O Box 11490, Station H, Ottawa, ON K2H 8S2, Canada
    Sensors (Basel) 12:1898-918. 2012
  4. ncbi Synthesis of oxidation-resistant cupronickel nanowires for transparent conducting nanowire networks
    Aaron R Rathmell
    Department of Chemistry, Duke University, 124 Science Drive, Box 90354 Durham, North Carolina 27708, United States
    Nano Lett 12:3193-9. 2012
  5. ncbi Spectroscopic diffraction phase microscopy
    Hoa Pham
    Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Opt Lett 37:3438-40. 2012
  6. ncbi Multiple-image radiography
    Miles N Wernick
    Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
    Phys Med Biol 48:3875-95. 2003
  7. ncbi Supported microfiber loops for optical sensing
    Xin Guo
    Department of Optical Engineering, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
    Opt Express 16:14429-34. 2008
  8. ncbi Temperature-insensitive miniaturized fiber inline Fabry-Perot interferometer for highly sensitive refractive index measurement
    Tao Wei
    Department of Electrical and Computer Engineering, Missouri University of Science and Technology, 1870 Miner Circle, Rolla, MO 65409 0040, USA
    Opt Express 16:5764-9. 2008
  9. ncbi Double Dirac cones in triangular-lattice metamaterials
    Kazuaki Sakoda
    Photonic Materials Unit, National Institute for Materials Science, 1 1 Namiki, Tsukuba, Ibaraki 305 0044, Japan
    Opt Express 20:9925-39. 2012
  10. pmc On the performance quantification of resonant refractive index sensors
    Ian M White
    Biological Engineering Department, University of Missouri Columbia, 240D Bond Life Sciences Center, 1201 E Rollins Street, Columbia, MO 65211, USA
    Opt Express 16:1020-8. 2008

Detail Information

Publications260 found, 100 shown here

  1. ncbi Refractive index sensing based on higher-order mode reflection of a microfiber Bragg grating
    Yu Zhang
    Wuhan National Laboratory for Optoelectronics and Institute of Optoelectronics Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
    Opt Express 18:26345-50. 2010
    ..The measured maximum sensitivity is ~102 nm/RIU (RI unit) at an RI value of 1.378 in an MFBG with a diameter of 6 μm...
  2. ncbi The refractive index of human hemoglobin in the visible range
    O Zhernovaya
    International Research Educational Center of Optical Technologies for Industry and Medicine Photonics, Saratov State University, 83 Astrakhanskaya str, 410012 Saratov, Russia
    Phys Med Biol 56:4013-21. 2011
    ..The results can be used to calculate the refractive index in the visible range for arbitrary concentrations provided that the refractive indices depend on the concentration linearly...
  3. pmc Fiber Bragg grating sensors for harsh environments
    Stephen J Mihailov
    Communications Research Centre Canada, 3701 Carling Avenue, P O Box 11490, Station H, Ottawa, ON K2H 8S2, Canada
    Sensors (Basel) 12:1898-918. 2012
    ..This paper will present a review of some of the more recent developments...
  4. ncbi Synthesis of oxidation-resistant cupronickel nanowires for transparent conducting nanowire networks
    Aaron R Rathmell
    Department of Chemistry, Duke University, 124 Science Drive, Box 90354 Durham, North Carolina 27708, United States
    Nano Lett 12:3193-9. 2012
    ..These properties, and the fact that copper and nickel are 1000 times more abundant than indium or silver, make cupronickel nanowires a promising alternative for the sustainable, efficient production of transparent conductors...
  5. ncbi Spectroscopic diffraction phase microscopy
    Hoa Pham
    Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Opt Lett 37:3438-40. 2012
    ..We demonstrate the capability of the setup by dispersion measurements of microsphere beads and RBCs...
  6. ncbi Multiple-image radiography
    Miles N Wernick
    Department of Electrical and Computer Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
    Phys Med Biol 48:3875-95. 2003
    ..MIR results are shown in the form of planar images of a phantom and a biological specimen. A preliminary demonstration of the use of MIR for computed tomography is also presented...
  7. ncbi Supported microfiber loops for optical sensing
    Xin Guo
    Department of Optical Engineering, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
    Opt Express 16:14429-34. 2008
    ..8 x 10(-5)...
  8. ncbi Temperature-insensitive miniaturized fiber inline Fabry-Perot interferometer for highly sensitive refractive index measurement
    Tao Wei
    Department of Electrical and Computer Engineering, Missouri University of Science and Technology, 1870 Miner Circle, Rolla, MO 65409 0040, USA
    Opt Express 16:5764-9. 2008
    ..1x10(-6) RIU/degrees C. The small size, all-fiber structure, small temperature dependence, linear response and high sensitivity, make the device attractive for chemical and biological sensing...
  9. ncbi Double Dirac cones in triangular-lattice metamaterials
    Kazuaki Sakoda
    Photonic Materials Unit, National Institute for Materials Science, 1 1 Namiki, Tsukuba, Ibaraki 305 0044, Japan
    Opt Express 20:9925-39. 2012
    ..To the best of the author's knowledge, this is the first prediction of the presence of a double Dirac cone in metamaterials...
  10. pmc On the performance quantification of resonant refractive index sensors
    Ian M White
    Biological Engineering Department, University of Missouri Columbia, 240D Bond Life Sciences Center, 1201 E Rollins Street, Columbia, MO 65211, USA
    Opt Express 16:1020-8. 2008
    ..Our work will enable a standard approach for quantifying and comparing the performance of optical resonance-based RI sensors. Additionally, it will lead to design strategies for performance improvement of RI sensors...
  11. ncbi Highly sensitive digital optical sensor based on cascaded high-Q ring-resonators
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, East Building No 5, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
    Opt Express 17:23817-22. 2009
    ..Therefore, it is promising to realize a low-cost and portable highly-sensitive optical sensor system on a single chip...
  12. ncbi Experimental characterization of a silicon photonic biosensor consisting of two cascaded ring resonators based on the Vernier-effect and introduction of a curve fitting method for an improved detection limit
    Tom Claes
    Photonics Research Group, Department of Information Technology Ghent University imec, Sint Pietersnieuwstraat 41, 9000 Gent, Belgium
    Opt Express 18:22747-61. 2010
    ..We derived formulas describing the sensor's operation, and introduced a fitting procedure that allows to accurately detect changes in the sensor response. We determined the detection limit of this first prototype to be 8.310(-6)RIU...
  13. pmc Live cell refractometry using Hilbert phase microscopy and confocal reflectance microscopy
    Niyom Lue
    G R Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    J Phys Chem A 113:13327-30. 2009
    ..The accuracy of the axially averaged index measurement is 0.002. This approach can provide novel biological assays of label-free living cells in situ...
  14. ncbi Polarization splitter and polarization rotator designs based on transformation optics
    Do Hoon Kwon
    Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, Massachusetts 01003, USA
    Opt Express 16:18731-8. 2008
    ..The polarization rotator rotates the polarization state of an incoming beam by an arbitrary angle. Both optical devices are reflectionless at the entry and exit interfaces. Design details and full-wave simulation results are provided...
  15. ncbi CO2 laser induced long period gratings in optical microfibers
    Haifeng Xuan
    Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong
    Opt Express 17:21882-90. 2009
    ..3 microm. The resonant wavelength has a negative temperature coefficient and a high sensitivity to external refractive index. The microfiber LPGs may be useful in micron scale in-fiber devices and sensors...
  16. ncbi Living specimen tomography by digital holographic microscopy: morphometry of testate amoeba
    Florian Charrière
    Ecole Polytechnique Federale de Lausanne, Imaging and Applied Optics Institute, CH 1015 Lausanne, Switzerland
    Opt Express 14:7005-13. 2006
    ..Morphometric measurements are extracted from the tomographic reconstructions, showing that the commonly used method for testate amoeba biovolume evaluation leads to systematic under evaluations by about 50%...
  17. ncbi Cell refractive index tomography by digital holographic microscopy
    Florian Charrière
    Ecole Polytechnique Federale de Lausanne, Imaging and Applied Optics Institute, Switzerland
    Opt Lett 31:178-80. 2006
    ..A precision of 0.01 for the refractive index estimation and a spatial resolution in the micrometer range are demonstrated...
  18. pmc Optical properties of in situ eye lenses measured with X-ray Talbot interferometry: a novel measure of growth processes
    Masato Hoshino
    Japan Synchrotron Radiation Research Institute SPring8, Sayo, Hyogo, Japan
    PLoS ONE 6:e25140. 2011
    ..These may be linked to growth processes and may be the first optical evidence of discrete developmental stages...
  19. pmc Retinal pigment epithelium segmentation by polarization sensitive optical coherence tomography
    Erich Gotzinger
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Austria
    Opt Express 16:16410-22. 2008
    ..By using a state of the art spectral domain PS-OCT instrument, we demonstrate the method in healthy and diseased eyes...
  20. ncbi Mie theory interpretations of light scattering from intact cells
    Jeremy D Wilson
    Department of Radiology, University of Rochester, 601 Elmwood Avenue, Box 648, Rochester, New York 14642, USA
    Opt Lett 30:2442-4. 2005
    ....
  21. pmc Tissue refractometry using Hilbert phase microscopy
    Niyom Lue
    G R Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 32:3522-4. 2007
    ..We present results obtained for liver tissue affected by a lysosomal storage disease and show that our technique can quantify structural changes during this disease development...
  22. ncbi Manipulating optical polarization by stereo plasmonic structure
    J Xu
    National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, China
    Opt Express 19:748-56. 2011
    ..Furthermore, an analytical Coupled Mode Method (CMM) is developed by introducing a frequency dependent coupling coefficient to describe such optical rotation property in stereo plasmonic systems...
  23. ncbi Sensing and transmission characteristics of a rocking filter fabricated in a side-hole fiber with zero group birefringence
    A Anuszkiewicz
    Institute of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50 370 Wroclaw, Poland
    Opt Express 21:12657-67. 2013
    ..We also show that by fabricating the rocking filter with a period close to maximum beat length a coupling between polarization modes can be obtained in a broad band reaching 240 nm...
  24. ncbi High efficiency silicon nitride surface grating couplers
    Guillaume Maire
    Institut d Electronique Fondamentale, CNRS UMR 8622, bât 220, Universite Paris Sud 11, F 91405 ORSAY cedex France
    Opt Express 16:328-33. 2008
    ..The influence of the duty ratio of the grating has also been investigated: maximum coupling efficiency was obtained at 50 % duty ratio...
  25. ncbi Reflective tilted fiber Bragg grating refractometer based on strong cladding to core recoupling
    Tuan Guo
    Photonics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China
    Opt Express 17:5736-42. 2009
    A novel in-fiber structure for power-referenced refractometry with the capability to measure surrounding refractive index (SRI) as low as 1.33 is proposed and demonstrated...
  26. ncbi Homogeneous optical cloak constructed with uniform layered structures
    Jingjing Zhang
    DTU Fotonik Department of Photonics Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
    Opt Express 19:8625-31. 2011
    ....
  27. ncbi Effect of 2-hydroxypropyl-beta-cyclodextrin on thermal inactivation, denaturation and aggregation of glyceraldehyde-3-phosphate dehydrogenase from rabbit skeletal muscle
    Olga I Maloletkina
    Bach Institute of Biochemistry, Russian Academy of Sciences, Leninsky pr 33, 119071, Moscow, Russia
    Int J Biol Macromol 46:487-92. 2010
    ..The acceleration of GAPDH aggregation was due to destabilization of the enzyme molecule under the action of HP-beta-CD. This is evidenced by the data on thermal inactivation of GAPDH and differential scanning calorimetry...
  28. pmc Optical diffraction tomography for high resolution live cell imaging
    Yongjin Sung
    GR Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Express 17:266-77. 2009
    ....
  29. ncbi Evaluation of five commercially available assays and measurement of serum total protein concentration via refractometry for the diagnosis of failure of passive transfer of immunity in foals
    Rachel Davis
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville 32610 0136, USA
    J Am Vet Med Assoc 227:1640-5. 2005
    ..specificity, accuracy, and predictive values of measurement of serum total protein concentration by refractometry as well as 5 commercially available kits for the diagnosis of failure of passive transfer (FPT) of immunity in ..
  30. ncbi Diffraction phase microscopy for quantifying cell structure and dynamics
    Gabriel Popescu
    George R Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Opt Lett 31:775-7. 2006
    ..The potential of the technique for quantifying nanoscale motions in live cells is demonstrated by experiments on red blood cells...
  31. ncbi Two dimensional polymer-embedded quasi-distributed FBG pressure sensor for biomedical applications
    George T Kanellos
    Department of Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece
    Opt Express 18:179-86. 2010
    ....
  32. ncbi Passivation coating on electrospun copper nanofibers for stable transparent electrodes
    Po Chun Hsu
    Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, USA
    ACS Nano 6:5150-6. 2012
    ..In addition, the coating and baking of the acidic PEDOT:PSS layer on our fibers increases the sheet resistance of bare copper nanofibers by 6 orders of magnitude, while the AZO-Cu nanofibers show an 18% increase...
  33. ncbi The evolution of lenses
    Michael F Land
    School of Life Sciences, University of Sussex, Brighton, UK
    Ophthalmic Physiol Opt 32:449-60. 2012
    ..Similar scanning arrangements are found in some crustaceans, sea-snails and insect larvae...
  34. ncbi Invisibility and cloaking based on scattering cancellation
    Pai Yen Chen
    The University of Texas at Austin, Department of Electrical and Computer Engineering, 1 University Station C0803, Austin, TX 78712 0240, USA
    Adv Mater 24:OP281-304. 2012
    ..Finally, these solutions are compared with other popular cloaking techniques...
  35. ncbi Theory, experiment, and application of optical fiber etching
    Yinquan Yuan
    National Engineering Laboratory for Fiber Optical Sensing Technology, Wuhan University of Technology, Wuhan 430070, China
    Appl Opt 51:5845-9. 2012
    ..Finally, required tapered fiber tips can be made by controlling the etching velocity and the pulling velocity of optical fiber from the etching solution...
  36. ncbi Integrated optical sensor platform for multiparameter bio-chemical analysis
    Peter Lützow
    Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany
    Opt Express 19:13277-84. 2011
    ..The working principle is exemplified on an array of four thermo-optically modulated MRR. It is shown that with this technique tracking of individual resonances is possible even in case of strong spectral overlap...
  37. ncbi Highly sensitive fiber loop ringdown strain sensor using photonic crystal fiber interferometer
    Wenjun Zhou
    Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018, China
    Appl Opt 50:3087-92. 2011
    ..21 μs⁻¹/εm and a minimum detectable strain of ~3.6 με are obtained. As a benefit from the ultralow thermal dependence of PCF, the maximum temperature-induced measurement error could be reduced to ~0.24 με...
  38. ncbi Optofluidic refractive-index sensor in step-index fiber with parallel hollow micro-channel
    H W Lee
    Max Planck Institute for the Science of Light, Erlangen, Germany
    Opt Express 19:8200-7. 2011
    ..Potential applications of this fiber microstructure include measuring the optical properties of liquids, refractive index sensing, biophotonics and studies of fluid dynamics on the nanoscale...
  39. ncbi Ultrahigh-Q nanocavities written with a nanoprobe
    Atsushi Yokoo
    NTT Basic Research Laboratories, NTT Corporation, 3 1, Morinosato Wakamiya Atsugi, Kanagawa 243 0198, Japan
    Nano Lett 11:3634-42. 2011
    ..This demonstration indicates the possibility of realizing photonic integrated circuits on demand, where various circuit patterns are written with a nanoprobe on a universal photonic crystal substrate...
  40. pmc Characterization of FBG sensor interrogation based on a FDML wavelength swept laser
    Eun Joo Jung
    Department of Nanosystem Engineering, Pusan National University, Busan, Korea
    Opt Express 16:16552-60. 2008
    ..3 kHz and a broad scan range of over 70 nm simultaneously. The performance of the grating sensor interrogating system using a FDML wavelength swept laser is characterized in both static and dynamic strain responses...
  41. ncbi Ultrasensitive label-free coupled optofluidic ring laser sensor
    Liqiang Ren
    Key Laboratory for Micro and Nanophotonic Structures Ministry of Education, Department of Optical Science and Engineering, School of Information Science and Engineering, Fudan University, Shanghai, China
    Opt Lett 37:3873-5. 2012
    ..6×10(-5) RIU for bulk RI detection. The new sensor configuration provides a convenient way to achieve ultrasensitive biological and chemical sensing...
  42. ncbi Optical refractometer based on an asymmetrical twin-core fiber Michelson interferometer
    Ai Zhou
    Photonics Research Center, School of Science, Harbin Engineering University, Harbin 150001, China
    Opt Lett 36:3221-3. 2011
    ..The experimental results show that such a device has a refractive index resolution of more than 800 nm/refractive index unit in the range of 1.34-1.37...
  43. ncbi Macrobending single-mode fiber-based refractometer
    Pengfei Wang
    Photonics Research Center, School of Electronic and Communications Engineering, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland
    Appl Opt 48:6044-9. 2009
    ..75x10(-5) for a refractive index range from 1.4586 to 1.5396 at the wavelength of 1550 nm...
  44. ncbi Thermal independent silicon-nitride slot waveguide biosensor with high sensitivity
    Xiaoguang Tu
    Institute of Microelectronics, A STAR Agency for Science, Technology and Research, 11 Science Park Road, Singapore Science Park II, 117685, Singapore
    Opt Express 20:2640-8. 2012
    ..29 × 10(-5) RIU respectively. By utilizing Vernier effect through cascaded MZI structures, the measured sensitivity enhancement factor is 8.38, which results in a surface detection limit of 0.155 (pg mm(-2))...
  45. ncbi An experimental study of the plasmonic Talbot effect
    Weiwei Zhang
    State Key Laboratory for Mesoscopic Physics and Department of Physics Peking University, Beijing 100871, PR China
    Opt Express 17:19757-62. 2009
    ..Effective focusing of SPPs with multiple focal spots and a subwavelength full width at half maximum is obtained by using a three-layer four-level-phase launching grating...
  46. pmc Optically transparent porous medium for nondestructive studies of microbial biofilm architecture and transport dynamics
    Andrew P Leis
    Max Planck Institute for Biochemistry, Department of Molecular Structural Biology, Am Klopferspitz 18, D 82152 Martinsried, Germany
    Appl Environ Microbiol 71:4801-8. 2005
    ....
  47. pmc Refractive index sensor based on a 1D photonic crystal in a microfluidic channel
    Pedro S Nunes
    Department of Micro and Nanotechnology, Technical University of Denmark, DTU Nanotech, Building 345 east, DK 2800 Kongens Lyngby, Denmark
    Sensors (Basel) 10:2348-58. 2010
    ..3 × 10(-) (6) riu...
  48. ncbi Refractive index and dispersion of butterfly chitin and bird keratin measured by polarizing interference microscopy
    Hein L Leertouwer
    Computational Physics, Zernike Institute for Advanced Materials, University of Groningen, NL 9747 AG Groningen, The Netherlands
    Opt Express 19:24061-6. 2011
    ..517 and B = 8.80·10(3) nm(2) for the butterfly chitin and A = 1.532 and B = 5.89·10(3) nm(2) for the bird keratin...
  49. ncbi Optically generated reconfigurable photonic structures of elastic quasiparticles in frustrated cholesteric liquid crystals
    Ivan I Smalyukh
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 20:6870-80. 2012
    ..This robust control is performed by tightly focused laser beams of power 10-100 mW and by low-frequency electric fields at voltages ~10 V applied to the transparent electrodes...
  50. ncbi Effects of formalin fixing on the terahertz properties of biological tissues
    Yiwen Sun
    The Chinese University of Hong Kong, Department of Electronic Engineering, Shatin, NT, Hong Kong
    J Biomed Opt 14:064017. 2009
    ..These fundamental properties affect the time-domain terahertz response of the samples and determine the level of image contrast that can be achieved...
  51. ncbi Domino plasmons for subwavelength terahertz circuitry
    D Martin-Cano
    Departamento de Fisica Teorica de la Materia Condensada, Universidad Autonoma de Madrid, Madrid, Spain
    Opt Express 18:754-64. 2010
    ..Additionally, directional couplers, waveguide bends, and ring resonators are characterized, demonstrating the flexibility of the proposed concept and the prospects for terahertz applications requiring high integration density...
  52. ncbi A broadband zone plate lens from transformation optics
    Rui Yang
    School of Electronic Engineering and Computer Science, Queen Mary, University of London, London E1 4NS, UK
    Opt Express 19:12348-55. 2011
    ..Such a transformed lens maintains the broadband performance of the original lens, thus providing a superior alternative to the diffractive Fresnel element which is inherently narrow band...
  53. ncbi Determination of alcohol and extract concentration in beer samples using a combined method of near-infrared (NIR) spectroscopy and refractometry
    Stefan Castritius
    Central Laboratory, Research and Teaching Institute for Brewing in Berlin VLB Berlin, Seestrasse 13, 13353 Berlin, Germany
    J Agric Food Chem 58:12634-41. 2010
    A new approach of combination of near-infrared (NIR) spectroscopy and refractometry was developed in this work to determine the concentration of alcohol and real extract in various beer samples...
  54. ncbi Broadband extraordinary transmission in a single sub-wavelength aperture
    Wenxuan Tang
    Department of Electronic Engineering, Queen Mary University of London, Mile End Road, London E1 4NS, UK
    Opt Express 18:16946-54. 2010
    ..In contrast with previously reported systems, the frequency sensitivity of the new device is very low...
  55. ncbi Ultracompact biochemical sensor built with two-dimensional photonic crystal microcavity
    E Chow
    Agilent Technologies, Inc, 3500 Deer Creek Road, Polo Alto, California 94304, USA
    Opt Lett 29:1093-5. 2004
    ..The evaporation of water in a 5% glycerol mixture is also used to demonstrate the capability for in situ time-resolved sensing...
  56. ncbi Effect of incident angle of light on sensitivity and detection limit for layers of antibody with surface plasmon resonance spectroscopy
    T Akimoto
    Research Center for Advanced Science and Technology, The University of Tokyo, Japan
    Biosens Bioelectron 15:355-62. 2000
    ..In addition, the refractive index and thickness of the antibody layer formed on a sensor surface was proposed by experimental results and theoretical calculation...
  57. ncbi Elastic backscattering spectroscopic microscopy
    Yang Liu
    Department of Biomedical Engineering, Northwestern University, Evanston, Illinois 60208, USA
    Opt Lett 30:2445-7. 2005
    ..We also demonstrate that the spectroscopic data can provide nanoscale structural information beyond what conventional microscopy reveals...
  58. ncbi A sensitivity comparison of optical biosensors based on four different surface plasmon resonance modes
    F C Chien
    Institute of Optical Sciences, National Central University, Chung Li 320, Taiwan
    Biosens Bioelectron 20:633-42. 2004
    ..This study develops a detailed understanding of the influences of various biosensor design parameters in order to enhance the sensitivity and detection limit capabilities of such devices...
  59. ncbi Generalized Jones matrix optical coherence tomography: performance and local birefringence imaging
    Shuichi Makita
    Computational Optics Group in University of Tsukuba, Tsukuba, Ibaraki, Japan
    Opt Express 18:854-76. 2010
    ..The theoretical analysis suggests that the measurements with two orthogonal input polarization states have the lowest retardation error. Local birefringence imaging is applied to the human anterior eye chamber and skin in vivo...
  60. pmc A multi-D-shaped optical fiber for refractive index sensing
    Chien Hsing Chen
    Department of Physics, National Chung Cheng University, Chia Yi 621, Taiwan
    Sensors (Basel) 10:4794-804. 2010
    ..27 × 10(-3)-3.13 × 10(-4) RIU is achieved for refractive indices in the range of 1.333 to 1.403, suggesting that the multi-D-shaped fibers are attractive for chemical, biological, and biochemical sensing with aqueous solutions...
  61. ncbi Live cell refractometry using microfluidic devices
    Niyom Lue
    G R Harrison Spectroscopy Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
    Opt Lett 31:2759-61. 2006
    ..To decouple the contributions to the phase signal from the cell refractive index and thickness, we confined the cells in microchannels. The results are confirmed by comparison with measurements of spherical cells in suspension...
  62. ncbi Swept-source polarization-sensitive optical coherence tomography based on polarization-maintaining fiber
    Muhammad K Al-Qaisi
    Department of Biomedical Engineering, University of Minnesota, 312 Church St SE, Minneapolis, MN 55455, USA
    Opt Express 18:3392-403. 2010
    ..Characterization data shows that this system yields accurate measurements with high sensitivity (106.2 dB) comparable to conventional setups. Images of biological tissues with high dynamic range are demonstrated...
  63. pmc Polarization maintaining fiber based ultra-high resolution spectral domain polarization sensitive optical coherence tomography
    Erich Gotzinger
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Austria
    Opt Express 17:22704-17. 2009
    ..The latter is important for improved resolution of depolarization imaging. We demonstrate our instrument for high-resolution PS-OCT imaging of the healthy human retina...
  64. pmc Spatial light interference tomography (SLIT)
    Zhuo Wang
    Department of Electrical and Computer Engineering, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
    Opt Express 19:19907-18. 2011
    ..We illustrate the method with reconstructed tomographic refractive index distributions of microspheres, photonic crystals, and unstained living cells...
  65. pmc Topography and refractometry of nanostructures using spatial light interference microscopy
    Zhuo Wang
    Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Opt Lett 35:208-10. 2010
    ..We believe that this study will set the basis for novel high-throughput topography and refractometry of man-made and biological nanostructures.
  66. ncbi Fabrication of a compact reflective long-period grating sensor with a cladding-mode-selective fiber end-face mirror
    Meng Jiang
    Center for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instruments, Zhejiang University, Hangzhou 310058, China
    Opt Express 17:17976-82. 2009
    ..Preliminary results of using the sensor to measure the refractive index of glycerol/water solutions were successfully demonstrated...
  67. ncbi Zeolite thin film-coated long period fiber grating sensor for measuring trace chemical
    Jian Zhang
    Department of Chemical and Materials Engineering, University of Cincinnati, Cincinnati, Ohio 45221, USA
    Opt Express 16:8317-23. 2008
    ..Upon loading analyte molecules, the zeolite's refractive index changes in the close vicinity of the fiber index where the LPFG has a large response to achieve high sensitivity...
  68. ncbi Simulation and optimization of volume holographic imaging systems in Zemax
    Patrick Wissmann
    Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 USA
    Opt Express 16:7516-24. 2008
    ..We conclude with examples of simulation and optimization results and show proof of consistency and usefulness of the proposed model...
  69. ncbi Wavelength-coded multifocal microscopy
    Yuan Luo
    Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
    Opt Lett 35:781-3. 2010
    ..We present the design, implementation, and experimental image data demonstrating this microscope's ability to obtain biological tissue structures simultaneously at different focal planes using broadband illumination by LEDs...
  70. ncbi Online size-exclusion high-performance liquid chromatography light scattering and differential refractometry methods to determine degree of polymer conjugation to proteins and protein-protein or protein-ligand association states
    B S Kendrick
    Department of Pharmaceutics, Amgen, Inc, Thousand Oaks, California, USA
    Anal Biochem 299:136-46. 2001
    ..Calibration methods for the RI, UV, and LS detectors will also be addressed, as well as online methods to determine protein extinction coefficients and dn/dc values both unconjugated and conjugated protein molecules...
  71. ncbi Integrated 2D photonic crystal stack filter fabricated using nanoreplica molding
    Fuchyi Yang
    University of Illinois at Urbana Champaign, Department of Electrical and Computer Engineering, Micro and Nanotechnology Laboratory, 208 N Wright Street, Urbana, IL 61801, USA
    Opt Express 18:11846-58. 2010
    ..The photonic crystal stack filters achieve optical density of 2.24 with an angular tolerance of 14.8 degrees...
  72. ncbi Molecular dynamics and forces of a motile cell simultaneously visualized by TIRF and force microscopies
    Yoshiaki Iwadate
    Department of Functional Molecular Biology, Graduate School of Medicine, Yamaguchi University, Yamaguchi, Japan
    Biotechniques 44:739-50. 2008
    ....
  73. ncbi Nanoscale porous silicon waveguide for label-free DNA sensing
    Guoguang Rong
    Department of Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37212, USA
    Biosens Bioelectron 23:1572-6. 2008
    ..Simulations indicate that the sensor has a detection limit of 50nM DNA concentration or equivalently, 5pg/mm2...
  74. ncbi Absorption and related optical dispersion effects on the spectral response of a surface plasmon resonance sensor
    Mohamed Nakkach
    Laboratoire Charles Fabry de l Institut d Optique, Institut d Optique Graduate School, Univ Paris Sud, CNRS, Campus Polytechnique, RD 128, 91127 Palaiseau cedex, France
    Appl Opt 47:6177-82. 2008
    ..This shows that chromophores labeling can provide a potential way for SPR response enhancement...
  75. ncbi Instantaneous Spatial Light Interference Microscopy
    Huafeng Ding
    Quantitative Light Imaging Laboratory, Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
    Opt Express 18:1569-75. 2010
    ..We show proof of principle results by multicolor phase imaging of microsphere and red blood cells, and dynamic imaging of nanoscale cell membrane fluctuations...
  76. ncbi Improved focused ion beam fabrication of near-field apertures using a silicon nitride membrane
    J Brian Leen
    Department of Applied Physics, Stanford University, 420 via Palou Mall, Stanford, California 94305, USA
    Opt Lett 33:2827-9. 2008
    ..8x in intensity. Our method has applications to many other plasmonic devices including bow-tie and fractal apertures, periodic arrays, and gratings...
  77. ncbi An evaluation of Brix refractometry instruments for measurement of colostrum quality in dairy cattle
    V Bielmann
    Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada
    J Dairy Sci 93:3713-21. 2010
    ..71 and 0.74. Both instruments exhibited excellent test characteristics, indicating an appropriate cut-off point of 22% Brix score for the identification of good quality colostrum...
  78. ncbi Demonstration of an ultra-wideband optical fiber inline polarizer with metal nano-grid on the fiber tip
    Yongbin Lin
    Nano and Micro Device Center, University of Alabama in Huntsville, Huntsville, Alabama 35899, USA
    Opt Express 17:17849-54. 2009
    ....
  79. ncbi Use of refractometry and colorimetry as field methods to rapidly assess antimalarial drug quality
    Michael D Green
    Division of Parasitic Diseases, US Centers for Disease Control and Prevention, Atlanta, GA, United States
    J Pharm Biomed Anal 43:105-10. 2007
    ..Therefore, we have evaluated refractometry, colorimetry and a technique combining both processes as simple and accurate field assays to rapidly test the ..
  80. ncbi Projected index computed tomography
    Adam M Zysk
    Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Opt Lett 28:701-3. 2003
    ..The resultant PICT images are free of the spatial distortion that is inherent in standard optical cross-sectional images and correspond well to the manufactured dimensions of specific samples...
  81. pmc Nanoscale optofluidic sensor arrays
    Sudeep Mandal
    School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853, USA
    Opt Express 16:1623-31. 2008
    ..While other techniques such as SPR possess a equivalent RI detection limit, the advantage of this architecture lies in its potential for low mass limit of detection which is enabled by confining the size of the probed surface area...
  82. ncbi The effects of internal refractive index variation in near-infrared optical tomography: a finite element modelling approach
    Hamid Dehghani
    Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, USA
    Phys Med Biol 48:2713-27. 2003
    ....
  83. ncbi Light scattering in brain slices measured with a photon counting fiber optic system
    L Tao
    Department of Physiology and Neuroscience, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA
    J Neurosci Methods 101:19-29. 2000
    ..A spectroscopic study with the PCFO system showed that the spectrum of tissue scattering was almost a flat function in most of the visible range (650-470 nm) with a maximum at 500 nm and a rapid drop at 450 nm...
  84. ncbi Age-related changes in refractive index distribution and power of the human lens as measured by magnetic resonance micro-imaging in vitro
    B A Moffat
    Centre for Medical, Health and Environmental Physics, Queensland University of Technology, G P O Box 2434, 4001, Brisbane, Australia
    Vision Res 42:1683-93. 2002
    ....
  85. ncbi Slot-waveguide biochemical sensor
    Carlos A Barrios
    Instituto de Sistemas Optoelectrónicos y Microtecnología ISOM, Universidad Politecnica de Madrid, Spain
    Opt Lett 32:3080-2. 2007
    ..33 to 1.42. A linear shift of the resonant wavelength with increasing ambient refractive index of 212 nm/refractive index units (RIU) is observed. The sensor detects a minimal refractive index variation of 2x10(-4) RIU...
  86. ncbi Dispersion-based optical coherence tomography OCT measurement of mixture concentrations
    Seyed Morteza Bagherzadeh
    Division of Medical Physics, Medical University Vienna, Waehringer Strasse 13, A 1090 Wien Austria
    Opt Lett 32:2924-6. 2007
    ..Results show errors between a few percent for high concentrations, up to 31% for low concentrations. The application of such a technique in OCT might require ultrahigh depth resolution and/or other scattered photon rejection techniques...
  87. ncbi Minimization of geometric-beam broadening in a grating-based time-domain delay line for optical coherence tomography application
    Zhen Jiang
    School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA
    J Opt Soc Am A Opt Image Sci Vis 24:3808-18. 2007
    ..In vitro and in vivo imaging results are presented to demonstrate the improvement. It is also shown that geometric-beam broadening may exist in other optical coherence tomography reference arm configurations...
  88. ncbi T matrix of the homogeneous anisotropic sphere: applications to orientation-averaged resonant scattering
    Brian Stout
    Institut Fresnel, Unité Mixte de Recherche 6133 associée au Centre National de la Recherche Scientifique, Case161, Faculte des Sciences et Techniques, Centre de Saint Jerome, 13397 Marseille Cedex 20, France
    J Opt Soc Am A Opt Image Sci Vis 24:1120-30. 2007
    ....
  89. ncbi Analysis of the angular acceptance of surface plasmon Bragg mirrors
    María Ujué González
    ICFO Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860, Castelldefels Barcelona, Spain
    Opt Lett 32:2704-6. 2007
    ..This effect, which can considerably affect the design of devices based on these elements, is shown to be the consequence of the decrease of the bandgap width with increasing incidence angle...
  90. ncbi Autocalibration of spectral-domain optical coherence tomography spectrometers for in vivo quantitative retinal nerve fiber layer birefringence determination
    Mircea Mujat
    Harvard Medical School and Wellman Center for Photomedicine, Massachusetts General Hospital, 40 Blossom Street, BAR 704, Boston, Massachusetts 02114, USA
    J Biomed Opt 12:041205. 2007
    ..25 deg/100 microm. We also demonstrate, for the first time, a quantitative birefringence map of an in vivo human retinal nerve fiber layer...
  91. ncbi Image correction scheme applied to functional diffuse optical tomography scattering images
    Harry L Graber
    Department of Pathology, State University of New York Downstate Medical Center, New York 11203, USA
    Appl Opt 46:1705-16. 2007
    ..The implications for practical implementations of DOT time-series imaging are discussed...
  92. ncbi Precision passive range measurement
    Steven A Lis
    LightLine Technologies Inc, Needham, Massachusetts 02492, USA
    J Opt Soc Am A Opt Image Sci Vis 24:993-1002. 2007
    ..This method is quantitatively examined through computer modeling and laboratory testing and is broadly applicable to a wide range of optical wave bands...
  93. ncbi Near-infrared laser tomographic imaging with right-angled scattered coherent light using an optical heterodyne-detection-based confocal scanning system
    Izumi Nishidate
    Department of Bio System Engineering, Yamagata University, Yonezawa, Japan
    Appl Opt 46:2123-30. 2007
    ..We investigated the potential of the proposed system for imaging biological tissues in preliminary experiments using samples of chicken breast tissue...
  94. ncbi Set of modes for the description of wave propagation through slabs with a transverse variation of the refractive index
    B J Hoenders
    Institute for Theoretical Physics and Materials Science Centre, University of Groningen, Nijenborgh 4, NL 9747 AG Groningen, The Netherlands
    J Opt Soc Am A Opt Image Sci Vis 24:1189-200. 2007
    ..As a specific example, we calculate the reflected and transmitted fields generated by the interaction of an incoming plane wave with an N-layered medium, the layers of which are perpendicular to the boundary planes of a slab...
  95. ncbi Scaling method for fast Monte Carlo simulation of diffuse reflectance spectra from multilayered turbid media
    Quan Liu
    Department of Biomedical Engineering, Duke University, 136 Hudson Hall, Box 90281, Durham, North Carolina 27708 0281, USA
    J Opt Soc Am A Opt Image Sci Vis 24:1011-25. 2007
    ..3 to 1.4, the RMSE was less than 10%. The scaling method can reduce computation time by more than 2 orders of magnitude compared with independent Monte Carlo simulations...
  96. ncbi High-resolution Brillouin spectroscopy with angular dispersion-type Fabry-Perot interferometer and its application to a quartz crystal
    Y Ike
    Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Ibaraki 305 8573, Japan
    Rev Sci Instrum 78:076104. 2007
    ..The elastic anomaly of the alpha-beta transition of a quartz crystal is clearly observed both in sound velocity and attenuation. From the elastic constant c(11), the critical parameter K=0.76 is determined...
  97. ncbi Numerical study of the effects of scatterer sizes and distributions on multiple backscattered intensity patterns of polarized light
    Yong Deng
    Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
    Opt Lett 33:77-9. 2008
    ..The results show that the polarization patterns of dysplastic and normal cells have distinct differences, which might be used for identification of the morphological structure changes of cancer, dysplasia, and regeneration cells...
  98. ncbi Enhancing alignment tolerance of silicon waveguide by using a wide grating coupler
    Jong Moo Lee
    Electronics and Telecommunications Research Institute, 161 Gajong dong, Yusong gu, Daejeon 305 350, Korea
    Opt Express 16:13024-31. 2008
    ....
  99. ncbi Nondestructive high-resolution soft-boundary profiling based on forward shadow diffraction
    Songky Moon
    School of Physics and Astronomy, Seoul National University, Seoul 151 747, Korea
    Opt Express 16:11007-20. 2008
    ..The typical error in determining the object shape parameter is less than 0.2%, which corresponds to 20 nm of radial accuracy when applied to an object with a mean radius of 10 microns...
  100. ncbi Optical microscopic observation of fluorescence enhanced by grating-coupled surface plasmon resonance
    Keiko Tawa
    Research Institute for Cell Engineering, AIST, Ikeda, Osaka 563 8577, Japan
    Opt Express 16:9781-90. 2008
    ..The application of a grating substrate to two-dimensional detection and fluorescence microscopy appears to offer a promising method of taking highly sensitive fluorescence images...
  101. ncbi Sensitivity of photonic crystal fiber modes to temperature, strain and external refractive index
    Chengkun Chen
    Department of Electronics, Carleton University, 1125 Colonel By Drive, Ottawa K1S5B6, Canada
    Opt Express 16:9645-53. 2008
    ..Potential multiparameter optical sensor applications of these mode resonances are briefly discussed...

Research Grants31

  1. Aqueous humor dynamics studies in vivo and in vitro
    PAUL LEON KAUFMAN; Fiscal Year: 2010
    ..dilution and accumulation measures;IOP by Goldmann applanation tonometry;refraction by Hartinger coincidence refractometry;pupil diameter via vernier calipers;gene expression in vivo by coexpression of GFP fluorescence detected by a ..
  2. Label-free platform for applications in drug discovery
    DAVID WESLEY GOAD; Fiscal Year: 2013
    ..resonance (SPR), which is sensitive to changes at the surface, and bulk solution-sensitive critical angle refractometry (CAR)...
  3. Molecular Characterization of Chick Retina during Refractive Development
    RICHARD ALAN STONE; Fiscal Year: 2010
    ....
  4. mRNA expression by RPE cells in myopia
    Richard Stone; Fiscal Year: 2006
    ..We believe this program will lead to improved understanding of the etiology of refractive errors and ultimately to effective approaches to arrest myopia in children. ..
  5. MYOPIA AND OCULAR GROWTH--NEURAL MECHANISMS
    Richard Stone; Fiscal Year: 2004
    ..We hope that our studies will continue to lead to improved understanding of ocular growth and ultimately towards rational approaches to prevent refractive errors in children. ..
  6. Phase Contrast Computed Tomography Scanner
    Edwin Donnelly; Fiscal Year: 2007
    ..unreadable] [unreadable]..
  7. Monochromatic Phase-Contrast Breast Cancer Radiography
    Edwin Donnelly; Fiscal Year: 2005
    ..Image quality of all images will be judged by an experienced mammographer. ..
  8. Energetic femtosecond fiber source at 1300 nm for multiphoton imaging
    CHRIS XU; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable]..
  9. RETINAL NERVE FIBER LAYER REFLECTANCE MECHANISMS
    Xiangrun Huang; Fiscal Year: 2007
    ..Birefringence is an intrinsic property of the tissue, depends directly on RNFL ultrastructure, and may provide a means of early detection of structural damage to ganglion cells in glaucoma. ..
  10. Multiphoton spectroscopic fiber probe with remote axial scanning
    CHRIS XU; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable]..
  11. Mouse Modeling Techniques for Bioluminescence Tomography
    Wenxiang Cong; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  12. Optical modeling of visual corrections
    Pete Kollbaum; Fiscal Year: 2008
    ..These models will have general applicability to other diseased conditions in which visual performance is degraded due to increased optical aberrations. [unreadable] [unreadable]..
  13. Interferometric Nano-sensing for Biochemical Analysis
    Darryl Bornhop; Fiscal Year: 2008
    ..This proposal expands on these results, culminating a multiplexed OCIBD for homogeneous (free-solution) molecular interaction assays. ..
  14. In vivo detection of pre-cancerous lesions using a/LCL
    Adam Wax; Fiscal Year: 2008
    ..abstract_text> ..
  15. Assessing Deployment of Microbicidal Gels With Label-Free Optical Measurement
    Adam Wax; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable] [unreadable]..
  16. Coherence Imaging for Assessing Colorectal Neoplasia
    Adam Wax; Fiscal Year: 2010
    ..abstract_text> ..
  17. Improving the penetration depth in vivo optical imaging of cancer
    CHRIS XU; Fiscal Year: 2006
    ..3. Demonstrate specific aims 1 and 2 for multiphoton microscopic/endoscopic imaging for cancer research. [unreadable] [unreadable]..
  18. Low-Cost Device for Digital Retinal Imaging
    Ann E Elsner; Fiscal Year: 2010
    ..While this project focuses on diabetic retinopathy in humans, future applications include other retinal disorders in both humans and animal models. ..
  19. MULTICORE FIBER PHASED ARRAY FOR ENDSCOPIC IMAGING
    CHRIS XU; Fiscal Year: 2006
    ..The successful completion of this exploratory effort will significantly benefit the development of confocal and multiphoton endoscopies. ..
  20. Multiprojection optical diffusion tomography
    Vadim Markel; Fiscal Year: 2006
    ..Specific Aim 3: To use the experimental device of the Specific Aim 2 to image a small animal, such as a laboratory mouse. [unreadable] [unreadable]..
  21. The Contact Lens and Dry Eye Study
    Jason Nichols; Fiscal Year: 2006
    ..The long-term objective of this research is to contribute to a better understanding of the etiology and risk factors for contact lens-related dry eye so that progress can be made toward its prevention. ..
  22. MINORITY PREDOCTORAL FELLOWSHIP PROGRAM
    NINITA BROWN; Fiscal Year: 2005
    ..Finally, the measurement of action potential duration within the moving ardiac wall will be used to determine the ability of a ratiometric system to decrease the motion artifact without the use of a mechanical uncoupling agent. ..
  23. Femtosecond source for multiphoton endoscopy in cancer
    CHRIS XU; Fiscal Year: 2005
    ..abstract_text> ..
  24. Low-Cost Device for Digital Retinal Imaging
    ANN ELSNER; Fiscal Year: 2007
    ..We will investigate the key features considered necessary for early detection grading, and also more the serious damage that is typically discovered late in the rural and urban underserved. ..
  25. MOLECULAR ANGLE TRANSITIONS IN MUSCLE
    THOMAS BURGHARDT; Fiscal Year: 2001
    ....
  26. Fiberoptic Personal Exposure Monitor for Diisocyanates
    STEVEN LIS; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable] [unreadable]..
  27. Optical labeling of tumor boundaries
    GREGORY FARIS; Fiscal Year: 2006
    ..The technique would also be of value for imaging thrombi. ..
  28. Optical Biopsy Using MEMs Technology
    Zhongping Chen; Fiscal Year: 2006
    ..Finally, the scanning probe technology developed in this proposal can also be used for endoscopic confocal and two-photon imaging. ..
  29. Sensitive, Rapid Bioassay using Upconverting Chelates
    GREGORY FARIS; Fiscal Year: 2004
    ..This work will combine the efforts of optical physicists, chemists, immunologists, and a virologist. ..
  30. Assessing nuclear morphology in thick tissues using fLCI
    Adam Wax; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  31. Snapshot Retinal Imaging Polarimeter
    James Schwiegerling; Fiscal Year: 2007
    ..Furthermore, the device could potentially be a low-cost add-on to existing fundus cameras, allowing a more widespread utility than existing devices. [unreadable] [unreadable]..