In-vivo measurement of ingested microplastics using spectroscopic and polarization-based full-Stokes microscopy

Nobuaki Endo; Yukitoshi Otani; Nathan Hagen

doi:10.1117/12.2660177

8 December 2022 In-vivo measurement of ingested microplastics using spectroscopic and polarization-based full-Stokes microscopy

Nobuaki Endo, Yukitoshi Otani, Nathan Hagen

Author Affiliations +

Proceedings Volume 12480, Optical Technology and Measurement for Industrial Applications Conference 2022; 124800E (2022) https://doi.org/10.1117/12.2660177
Event: Optics and Photonics International Congress, 2022, Yokohama, Japan

Abstract

In this report, birefringence of polystyrene and PET was measured using a full-Stokes polarization camera. In addition, using an AxoScan spectroscopic Mueller matrix polarimeter, we measured the birefringence of five types of plastics: PS, LDPE, PMMA, PP, and PET, and found that they exhibit different birefringence dispersion characteristics. Thus, the measurement of birefringence is useful for differentiating and quantifying microplastics.

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Nobuaki Endo, Yukitoshi Otani, and Nathan Hagen "In-vivo measurement of ingested microplastics using spectroscopic and polarization-based full-Stokes microscopy", Proc. SPIE 12480, Optical Technology and Measurement for Industrial Applications Conference 2022, 124800E (8 December 2022); https://doi.org/10.1117/12.2660177

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