Evaluation of a dual PEM Stokes polarimeter using different signal processing methods

Baoliang Wang; Andrew Leadbetter; Richard R. Rockwell

doi:10.1117/12.617925

18 August 2005 Evaluation of a dual PEM Stokes polarimeter using different signal processing methods

Baoliang Wang, Andrew Leadbetter, Richard R. Rockwell

Proceedings Volume 5888, Polarization Science and Remote Sensing II; 58880W (2005) https://doi.org/10.1117/12.617925
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

In our laboratory we built a Stokes polarimeter using two photoelastic modulators (PEMs). We applied two different signal processing methods to this dual PEM Stokes polarimeter. In one method, we used lock-in amplifiers to measure the PEM modulated signals. In the other method, we used Fourier analysis of a digitized waveform that contains the modulated signals. The dual PEM Stokes polarimeter can measure all normalized Stokes parameters. In this paper we present and compare results obtained using both signal processing methods. We discuss how each method benefits selected applications of the dual PEM Stokes polarimeter.

Citation Download Citation

Baoliang Wang, Andrew Leadbetter, and Richard R. Rockwell "Evaluation of a dual PEM Stokes polarimeter using different signal processing methods", Proc. SPIE 5888, Polarization Science and Remote Sensing II, 58880W (18 August 2005); https://doi.org/10.1117/12.617925

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