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3 October 1997 Alignment and calibration of an infrared achromatic retarder using FTIR Mueller matrix spectropolarimetry
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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.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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);


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