A near infrared Stokes polarimeter for fiber applications

Baoliang Wang; Andrew Leadbetter

doi:10.1117/12.870048

9 November 2010 A near infrared stokes polarimeter for fiber applications

Baoliang Wang, Andrew Leadbetter

Proceedings Volume 7853, Advanced Sensor Systems and Applications IV; 78530C (2010) https://doi.org/10.1117/12.870048
Event: Photonics Asia 2010, 2010, Beijing, China

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.

Citation Download Citation

Baoliang Wang and Andrew Leadbetter "A near infrared stokes polarimeter for fiber applications", Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 78530C (9 November 2010); https://doi.org/10.1117/12.870048

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