Optical biopsy and biomedical diagnosis with circular polarisation and orbital angular momentum of light

Igor V. Meglinski; Ivan Lopushenko; Anton Sdobnov; Alexander Bykov

doi:10.1117/12.2674384

5 October 2023 Optical biopsy and biomedical diagnosis with circular polarisation and orbital angular momentum of light

Igor V. Meglinski, Ivan Lopushenko, Anton Sdobnov, Alexander Bykov

Proceedings Volume PC12690, Polarization Science and Remote Sensing XI; PC1269004 (2023) https://doi.org/10.1117/12.2674384
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

In turbid tissue-like scattering medium the conventional polarised light, scattered multiple number of times, is depolarised, and the depolarisation rate depends strongly on the size and shape of scattering particles, as well as on the number of scattering events. In fact, the structure of light can be more complicated when the polarisation of light across the laser beam can be radially or azimuthally polarised and carry orbital angular momentum (OAM). We use both conventional polarisation and shaped light with OAM for characterisation of biological tissues and their structural malformations associated with dangerous diseases, including cancer, dementia, diabetes and other.

Conference Presentation

Citation Download Citation

Igor V. Meglinski, Ivan Lopushenko, Anton Sdobnov, and Alexander Bykov "Optical biopsy and biomedical diagnosis with circular polarisation and orbital angular momentum of light", Proc. SPIE PC12690, Polarization Science and Remote Sensing XI, PC1269004 (5 October 2023); https://doi.org/10.1117/12.2674384

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