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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Sign in to save

Polarization-Resolved Digital Holographic Measurements of Microplastics

2020
Johan Öhman, Heléne Österlund, Kerstin Nordqvist, Mikael Sjödahl

Summary

Researchers applied polarization-resolved dual-view digital holography to image microplastic particles, producing four simultaneous intensity measurements across different polarization channels. The technique enabled enhanced discrimination of microplastic particles from other environmental particles based on their polarization scattering signatures. The study demonstrates a promising optical imaging approach for improving automated microplastic detection and identification in environmental samples.

Dual-view digital holography is used to image samples of microplastics. The detection is polarization-resolved and produces, in total, four different intensities, one in each polarization direction ...

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