Research Topics
| Tomas SvenssonSummaryAffiliation: Lund University Country: Sweden Publications
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Detail Information
Publications
In vivo optical characterization of human prostate tissue using near-infrared time-resolved spectroscopyTomas Svensson
Lund University, Department of Physics, SE 221 00 Lund, Sweden
J Biomed Opt 12:014022. 2007..Intrasubject variations in derived parameters correlate (qualitatively) with the heterogeneity exhibited in acquired ultrasound images...- High sensitivity gas spectroscopy of porous, highly scattering solidsTomas Svensson
Department of Physics, Lund University, SE 221 00 Lund, Sweden
Opt Lett 33:80-2. 2008..The great value of the approach is illustrated in an application addressing structural properties of pharmaceutical materials... - Characterization of normal breast tissue heterogeneity using time-resolved near-infrared spectroscopyTomas Svensson
Department of Physics, Lund Institute of Technology, Box 118, SE 221 00 Lund, Sweden
Phys Med Biol 50:2559-71. 2005..Extracted physiological properties confirm differences between pre- and post-menopausal breast tissue. Results do not indicate systematic differences between left and right breasts... 
Laser absorption spectroscopy of water vapor confined in nanoporous alumina: wall collision line broadening and gas diffusion dynamicsTomas Svensson
Division of Atomic Physics, Department of Physics, Lund University PO Box 118, SE 221 00 Lund, Sweden
Opt Express 18:16460-73. 2010..9 GHz for free molecules (atmospheric pressure). Gas diffusion is also investigated, and in contrast to molecular oxygen (that moves rapidly in and out of the alumina), the exchange of water vapor is found very slow...- Noninvasive characterization of pharmaceutical solids by diode laser oxygen spectroscopyTomas Svensson
Department of Physics, Lund University, Sweden
Appl Spectrosc 61:784-6. 2007 - Towards accurate in vivo spectroscopy of the human prostateTomas Svensson
Department of Physics, Lund University, Sweden
J Biophotonics 1:200-3. 2008..Furthermore, TOF spectroscopy, in contrast to the more common steady-state approach, is insensitive to bleedings, and has been found highly reliable (100% success rate)... - Optical porosimetry and investigations of the porosity experienced by light interacting with porous mediaTomas Svensson
Department of Physics, Lund University, 221 00 Lund, Sweden
Opt Lett 35:1740-2. 2010..Nonetheless, excellent correlation between actual porosity and the porosity experienced by photons demonstrates the potential of nondestructive optical porosimetry based on gas absorption... - White Monte Carlo for time-resolved photon migrationErik Alerstam
Lund University, Department of Physics, Sweden
J Biomed Opt 13:041304. 2008..Experimental work supports our findings and establishes the advantages of Monte Carlo-based evaluation... - Clinical system for non-invasive in situ monitoring of gases in the human paranasal sinusesMärta Lewander
Department of Physics, Lund University, Sweden
Opt Express 17:10849-63. 2009..In addition, we discuss the use of water vapor as a reference in quantification of in situ oxygen concentration in detail. In particular, light propagation aspects are investigated by employing photon time-of-flight spectroscopy... - Parallel computing with graphics processing units for high-speed Monte Carlo simulation of photon migrationErik Alerstam
Lund University, Department of Physics, Lund 22100, Sweden
J Biomed Opt 13:060504. 2008..In addition, we address important technical aspects of GPU-based simulations of photon migration. The technique is expected to become a standard method in Monte Carlo simulations of photon migration... - Improved accuracy in time-resolved diffuse reflectance spectroscopyErik Alerstam
Department of Physics, Lund University, Sweden
Opt Express 16:10440-54. 2008..Since the MEDPHOT phantoms are used for international comparisons and performance assessment, the performed characterization is carefully reported... - Scatter correction of transmission near-infrared spectra by photon migration data: quantitative analysis of solidsChristoffer Abrahamsson
Department of Physics, Lund Institute of Technology, P O Box 118, SE 221 00 Lund, Sweden
Appl Spectrosc 59:1381-7. 2005..The method also makes it possible to predict the concentration of active substance in samples with other physical properties than the samples included in the calibration model... - Near-infrared photon time-of-flight spectroscopy of turbid materials up to 1400 nmTomas Svensson
Department of Physics, Lund University, P O Box 118, S 221 00 Lund, Sweden
Rev Sci Instrum 80:063105. 2009..Promising future applications of the approach are discussed, including quantitative assessment of pharmaceuticals, powder analysis, and calibration-free near-infrared spectroscopy... - Single-fiber diffuse optical time-of-flight spectroscopyErik Alerstam
Department of Physics, Lund University, P O Box 118, 221 00 Lund, Sweden
Opt Lett 37:2877-9. 2012..Our findings pave the way to simplified and less invasive interstitial in vivo spectroscopy... - Observation of anisotropic diffusion of light in compacted granular porous materialsErik Alerstam
Department of Physics, Lund University, P O Box 118, 221 00 Lund, Sweden
Phys Rev E Stat Nonlin Soft Matter Phys 85:040301. 2012..g., pharmaceutical tablets)... - Non-invasive diagnostics of the maxillary and frontal sinuses based on diode laser gas spectroscopyMärta Lewander
Division of Atomic Physics, Department of Physics, Lund University, Lund, Sweden
Rhinology 50:26-32. 2012..This situation is largely due to a lack of reliable and widely applicable diagnostic methods... - Disordered, strongly scattering porous materials as miniature multipass gas cellsTomas Svensson
Department of Physics, Lund University, Box 118, SE 221 00 Lund, Sweden
Phys Rev Lett 107:143901. 2011..Path length enhancement factors up to 750 are reached (5.4 m path through gas for light transmitted through a 7 mm ZrO(2) with 49% porosity and 115 nm pores)... - Least-squares support vector machines modelization for time-resolved spectroscopyFabien Chauchard
Information and Technologies for Agro processes Cemagref, BP 5095, 34033 Montpellier, Cedex 1, France
Appl Opt 44:7091-7. 2005..The main advantage of this technique is that it uses theoretical time dispersion curves during the calibration step. Predictions can then be performed by use of data measured on different kinds of sample, such as apples... - Performance assessment of photon migration instruments: the MEDPHOT protocolAntonio Pifferi
Laboratorio Nazionale per l Ottica Ultra rapida e Ultra intensa, Dipartimento di Fisica e Istituto di Fotonicae Nanotecnologie, Consiglio Nazionale delle Ricerche, Politecnico di Milano, I 20133 Milan, Italy
Appl Opt 44:2104-14. 2005..This protocol was applied to a total of 8 instruments with a set of 32 phantoms, covering a wide range of optical properties...