Stokes polarimeter using two photoelastic modulators

Baoliang Bob Wang; Jennifer List; Richard R. Rockwell

doi:10.1117/12.450872

25 September 2002 Stokes polarimeter using two photoelastic modulators

Baoliang Bob Wang, Jennifer List, Richard R. Rockwell

Proceedings Volume 4819, Polarization Measurement, Analysis, and Applications V; (2002) https://doi.org/10.1117/12.450872
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

We report in this paper an instrument for measuring the Stokes parameters of a light beam. This Stokes polarimeter employs two low birefringence photoelastic modulators (PEMs) operating at different resonant frequencies. The two PEMs in the instrument are oriented 45° apart. An analyzer, following the PEM-pair, bisects the PEMs' optical axes. Electronic signals from a detector are analyzed using lock-in amplifiers at the PEMs' first and second harmonics. A computer program calculates and displays the intensity parameter and the normalized Stokes parameters of the light beam measured. Common laboratory lasers are measured as examples.

Citation Download Citation

Baoliang Bob Wang, Jennifer List, and Richard R. Rockwell "Stokes polarimeter using two photoelastic modulators", Proc. SPIE 4819, Polarization Measurement, Analysis, and Applications V, (25 September 2002); https://doi.org/10.1117/12.450872

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