Alignment and calibration of an infrared achromatic retarder using FTIR Mueller matrix spectropolarimetry

Elizabeth A. Sornsin; Russell A. Chipman

doi:10.1117/12.283867

3 October 1997 Alignment and calibration of an infrared achromatic retarder using FTIR Mueller matrix spectropolarimetry

Elizabeth A. Sornsin, Russell A. Chipman

Author Affiliations +

Proceedings Volume 3121, Polarization: Measurement, Analysis, and Remote Sensing; (1997) https://doi.org/10.1117/12.283867
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

An IR achromatic retarder was aligned and characterized using the University of Alabama in Huntsville's Fourier transform IR spectropolarimeter. The FTIR spectropolarimeter produces a full polarization description of a sample over wavelengths 3-14 micrometers . Mueller matrices were measured for different relative alignments between the complementary plates of the achromat until the retardance orientation variation was reduced to within +/- 1 degree and the retardance magnitude varied smoothly with a peak-to-valley difference of 24 degrees from 4-14 micrometers . The results presented here include the progression of retardance magnitudes and retardance orientations as the plates alignment varied as well as the final Mueller matrix and retardance components of the achromat element.

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Elizabeth A. Sornsin and Russell A. Chipman "Alignment and calibration of an infrared achromatic retarder using FTIR Mueller matrix spectropolarimetry", Proc. SPIE 3121, Polarization: Measurement, Analysis, and Remote Sensing, (3 October 1997); https://doi.org/10.1117/12.283867

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