16 July 2015 Non-contact quantitative diffuse reflectance spectroscopy
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We validate a non-contact Diffuse Reflectance Spectroscopy (DRS) system as a first stage to approach quantitative multi-spectral imaging technique. The non-contact DRS system with separated illumination and detection paths was developed with different progressive set-ups which were all compared to a well-founded contact DRS system. While quantitation of the absorption coefficient is well achieved with the existing method, the calculation of the scattering coefficient is deteriorated by the non-contact architecture measurements. We have therefore developed an adaptive reference-based algorithm to compensate for this effect.
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Veronica Sorgato, Veronica Sorgato, Michel Berger, Michel Berger, Charlotte Emain, Charlotte Emain, Anne Koenig, Anne Koenig, Blandine Roig, Blandine Roig, Christine Vever-Bizet, Christine Vever-Bizet, Jean-Marc Dinten, Jean-Marc Dinten, Geneviève Bourg-Heckly, Geneviève Bourg-Heckly, Anne Planat-Chrétien, Anne Planat-Chrétien, } "Non-contact quantitative diffuse reflectance spectroscopy", Proc. SPIE 9538, Diffuse Optical Imaging V, 95380U (16 July 2015); doi: 10.1117/12.2183764; https://doi.org/10.1117/12.2183764

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