Polarized phase detection of optical beat signals for particle analysis

Naomichi Yokoi; Yoshihisa Aizu; Hiromichi Mishina

doi:10.1117/12.354835

19 July 1999 Polarized phase detection of optical beat signals for particle analysis

Naomichi Yokoi, Yoshihisa Aizu, Hiromichi Mishina

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354835
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

A new technique based on the polarized phase detection of optical beat signals is proposed for size analysis of moving spherical particles. Light scattered by a particle in the two-beam intersection is divided into two rays and detected with different polarization angles. The phase difference between two beat signals can be used for particle size analysis. Numerical computations of the Mie theory and experiments were performed to verify the usefulness of the proposed technique.

Citation Download Citation

Naomichi Yokoi, Yoshihisa Aizu, and Hiromichi Mishina "Polarized phase detection of optical beat signals for particle analysis", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354835

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