18 August 2005 Evaluation of a dual PEM Stokes polarimeter using different signal processing methods
Author Affiliations +
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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Baoliang Wang, Baoliang Wang, Andrew Leadbetter, Andrew Leadbetter, Richard R. Rockwell, 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); doi: 10.1117/12.617925; https://doi.org/10.1117/12.617925
PROCEEDINGS
8 PAGES


SHARE
Back to Top