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Proceedings Paper

Whole-field polarization analysis by digital holography with single reference beam
Author(s): Masayuki Yokota; Yoshitaka Terui; Ichirou Yamaguchi
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Paper Abstract

Digital holographic technique has been applied to analyze the spatial distribution of 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 test object, a quarter wave plate (QWP) is used and the distribution of polarization ellipse over its field is analyzed for various azimuth of the QWP. By inserting a polarizer into a part of the object wave as a reference area, a phase drift of the reference waves caused by polarization switching and environmental disturbances can be estimated and compensated for by using the phase of the known polarization 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 compressed PMMA specimen is also investigated.

Paper Details

Date Published: 14 August 2006
PDF: 9 pages
Proc. SPIE 6293, Interferometry XIII: Applications, 62930M (14 August 2006); doi: 10.1117/12.681953
Show Author Affiliations
Masayuki Yokota, Gunma Univ. (Japan)
Yoshitaka Terui, Gunma Univ. (Japan)
Ichirou Yamaguchi, Gunma Univ. (Japan)

Published in SPIE Proceedings Vol. 6293:
Interferometry XIII: Applications
Erik L. Novak; Wolfgang Osten; Christophe Gorecki, Editor(s)

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