Protocol using elliptically polarized light for enhanced contrast in polarization gating imaging of biological tissues

Susmita Sridhar; Anabela Da Silva

doi:10.1117/12.2208760

7 March 2016 Protocol using elliptically polarized light for enhanced contrast in polarization gating imaging of biological tissues

Susmita Sridhar, Anabela Da Silva

Author Affiliations +

Proceedings Volume 9703, Optical Biopsy XIV: Toward Real-Time Spectroscopic Imaging and Diagnosis; 970319 (2016) https://doi.org/10.1117/12.2208760
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Polarization gating is a popular and widely used technique in biomedical optics to sense superficial tissues (collinear detection), deeper volumes (cross-linear detection), and also selectively probe deeper volumes (using elliptically polarized light). As opposed to the conventional linearly polarized illumination, we propose a new protocol of polarization gating that combines co-elliptical and counter-elliptical measurements to selectively enhance contrast of the images. In vivo experiments were performed on skin abnormalities of volunteers (to selectively probe and access subsurface information).

Conference Presentation

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Susmita Sridhar and Anabela Da Silva "Protocol using elliptically polarized light for enhanced contrast in polarization gating imaging of biological tissues", Proc. SPIE 9703, Optical Biopsy XIV: Toward Real-Time Spectroscopic Imaging and Diagnosis, 970319 (7 March 2016); https://doi.org/10.1117/12.2208760

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