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Determination optical properties of tissue-like phantoms using diffuse reflectance and transmittance spectroscopy
Author(s): Huihui Lu; Jacqueline Gunther; Stefan Andersson-Engels
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Paper Abstract

We present a simple, convenient fibre-optics probe system for the determination optical properties of tissue-like liquid phantoms based on diffuse reflectance and transmittance measurements at the wavelength of visible-near-infrared region. The method combined Monte Carlo simulations, multiple polynomial regression and a Newton-Raphson algorithm for solving nonlinear equation system. In the range of optical properties of phantom with the μa at 0 – 0.5 cm-1 and the μs’ at 3 – 45 cm-1, the mean prediction error at 630 nm was 1.91 % for μs’ and 7.51 % for μa. The performance of the method is further tested by predictive error and validated using similar matrix of milk-ink phantoms on reflectance and transmittance.

Paper Details

Date Published: 23 October 2018
PDF: 7 pages
Proc. SPIE 10820, Optics in Health Care and Biomedical Optics VIII, 108202X (23 October 2018); doi: 10.1117/12.2501183
Show Author Affiliations
Huihui Lu, Tyndall National Institute (Ireland)
Jacqueline Gunther, Tyndall National Institute (Ireland)
Stefan Andersson-Engels, Tyndall National Institute (Ireland)
Univ. College Cork (Ireland)


Published in SPIE Proceedings Vol. 10820:
Optics in Health Care and Biomedical Optics VIII
Qingming Luo; Xingde Li; Ying Gu; Yuguo Tang, Editor(s)

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