Determination of optical properties of superficial volumes of layered tissue phantomsSheng Hao Tseng
Johnson and Johnson Consumer and Personal Products Worldwide, Skillman, NJ 08558, USA
IEEE Trans Biomed Eng 55:335-9. 2008
..6 mm source-detector separation diffusing probe when this layer thickness is as thin as 1 mm. Monte Carlo simulations illustrate that the interrogation depth can be further decreased by shortening the source-detector separation...
In vivo determination of skin near-infrared optical properties using diffuse optical spectroscopySheng Hao Tseng
University of California, Irvine, Beckman Laser Institute, Laser Microbeam and Medical Program, Irvine, California 92617, USA
J Biomed Opt 13:014016. 2008
..The optical properties of in vivo skin determined using the superficial diffusing probe show considerable similarity to published optical properties of carefully prepared ex vivo epidermis+dermis...
Investigation of a probe design for facilitating the uses of the standard photon diffusion equation at short source-detector separations: Monte Carlo simulationsSheng Hao Tseng
National Cheng Kung University, Department of Electro Optical Engineering, 1 University Road, Tainan, Taiwan
J Biomed Opt 14:054043. 2009
..Our simulation results provide design guidelines for a MTL geometry probe...
Quantitative spectroscopy of superficial turbid mediaSheng Hao Tseng
Laser Microbeam and Medical Program, Beckman Laser Institute, University of California, Irvine 92617, USA
Opt Lett 30:3165-7. 2005
..The average interrogation depth of the probe design investigated here is estimated to be less than 1 mm...
Efficient determination of the epidermal optical properties using a diffusion model-based approach: Monte Carlo studiesSheng Hao Tseng
National Cheng Kung University, Department of Photonics, Tainan 701, Taiwan
J Biomed Opt 16:087007. 2011
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Chromophore concentrations, absorption and scattering properties of human skin in-vivoSheng Hao Tseng
Department of Electro Optical Engineering, National Cheng Kung University, Tainan 701, Taiwan, ROC
Opt Express 17:14599-617. 2009
..Our results suggest that diffuse reflectance techniques with the visible and near infrared light sources can be employed to investigate the hemodynamics and optical properties of upper dermis and lower dermis...
Noninvasive evaluation of collagen and hemoglobin contents and scattering property of in vivo keloid scars and normal skin using diffuse reflectance spectroscopy: pilot studySheng Hao Tseng
National Cheng Kung University, Department of Photonics, Tainan 701, Taiwan
J Biomed Opt 17:077005. 2012
..In the future, we will evaluate the accuracy of our system in the keloid diagnosis and investigate the applicability of our system for other skin-collagen-related studies...
Analysis of a diffusion-model-based approach for efficient quantification of superficial tissue propertiesSheng Hao Tseng
Department of Photonics, National Cheng Kung University, Tainan 701, Taiwan
Opt Lett 35:3739-41. 2010
..Our Monte Carlo simulation results indicate that this new approach is not only very accurate but also sensitive to the presence of 0.5 mm(3) inhomogeneities and could be used for monitoring the early progression of skin melanoma...