Polarization analysis with digital holography by use of polarization modulation for single reference beam

Masayuki Yokota; Yoshitaka Terui; Ichirou Yamaguchi

doi:10.1117/1.2740601

1 May 2007 Polarization analysis with digital holography by use of polarization modulation for single reference beam

Masayuki Yokota, Yoshitaka Terui, Ichirou Yamaguchi

Author Affiliations +

Optical Engineering, Vol. 46, Issue 5, 055801 (May 2007). https://doi.org/10.1117/1.2740601

Abstract

Digital holography is applied to analyze the spatial distribution of the polarization state of light transmitted through anisotropic objects by successive hologram recording using polarization switching of the reference wave by an optical fiber Faraday rotator. For a preliminary object to confirm the principle of polarization analysis, a quarter wave plate (QWP) is used, and the distribution of the polarization ellipse over the object surface is analyzed for various azimuths of the QWP. By inserting a polarizer into a part of the object wave after the object as a reference area, a phase drift of the reference waves caused by polarization switching and/or environmental disturbances can be evaluated and compensated for by using the reference area. The principal axis and ellipticity are calculated and compared with their theoretical values. A good agreement between the experimental and theoretical values is observed. For an application, a photoelastic effect induced in a stressed PMMA specimen is also investigated.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Masayuki Yokota, Yoshitaka Terui, and Ichirou Yamaguchi "Polarization analysis with digital holography by use of polarization modulation for single reference beam," Optical Engineering 46(5), 055801 (1 May 2007). https://doi.org/10.1117/1.2740601

Published: 1 May 2007

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