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Proceedings Paper

A near infrared Stokes polarimeter for fiber applications
Author(s): Baoliang Wang; Andrew Leadbetter
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Paper Abstract

We describe in this paper a near infrared (NIR) Stokes polarimeter. This instrument measures the Stokes parameters of a light beam that exits an optical fiber. The key components of this polarimeter include two photoelastic modulators (PEMs) that operate at different resonant frequencies, a calcite analyzer and a Ge-photodiode detector. The two PEMs in the instrument are oriented at 0° and 45°, respectively, and the analyzer is oriented at 22.5°. The electronic signal from the detector is processed using two different demodulation methods. The normalized Stokes parameters are calculated and displayed on the Poincare sphere. We have shown the high accuracy, sensitivity and stability of this instrument in measuring normalized Stokes parameters.

Paper Details

Date Published: 9 November 2010
PDF: 6 pages
Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78530C (9 November 2010); doi: 10.1117/12.870048
Show Author Affiliations
Baoliang Wang, Hinds Instruments, Inc. (United States)
Andrew Leadbetter, Hinds Instruments, Inc. (United States)

Published in SPIE Proceedings Vol. 7853:
Advanced Sensor Systems and Applications IV
Brian Culshaw; Yanbiao Liao; Anbo Wang; Xiaoyi Bao; Xudong Fan; Lin Zhang, Editor(s)

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