Spatial-distribution mapping of time-varying state of polarization by  three-frequency optical heterodyne detection techniques

Kazuhiko Oka; T. Takeda; Yoshihiro Ohtsuka

doi:10.1117/12.34866

1 July 1990 Spatial-distribution mapping of time-varying state of polarization by three-frequency optical heterodyne detection techniques

Kazuhiko Oka, T. Takeda, Yoshihiro Ohtsuka

Author Affiliations +

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.34866
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

Abstract

A novel system for mapping the spatial distribution of a time varying state of polarization (SOP) is developed on the basis of optical heterodyne detection techniques using the Fouriertransformation for fringe analyzing. A signal beam is photomixed over a photodetector array with a local oscillator beam consisting of orthogonal linearly polarized twofrequency components. The generated beat photocurrent is composed of two beatcomponents that include information about the orthogonally polarized components of the signal beam. The amplitude ratio and phase difference of these two beatcomponents can determine the spacetime variations of the SOP. 1 .

Citation Download Citation

Kazuhiko Oka, T. Takeda, and Yoshihiro Ohtsuka "Spatial-distribution mapping of time-varying state of polarization by three-frequency optical heterodyne detection techniques", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.34866

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