Snap-shot imaging polarimeter: performance and applications

Neal J. Brock; Charles Crandall; James E. Millerd

doi:10.1117/12.2053917

21 May 2014 Snap-shot imaging polarimeter: performance and applications

Neal J. Brock, Charles Crandall, James E. Millerd

Proceedings Volume 9099, Polarization: Measurement, Analysis, and Remote Sensing XI; 909903 (2014) https://doi.org/10.1117/12.2053917
Event: SPIE Sensing Technology + Applications, 2014, Baltimore, MD, United States

Abstract

A camera capable of obtaining single snap-shot, quantitative, polarimetric measurements is investigated to determine performance characteristics. The camera employs a micropolarizer array with linear polarizers oriented at 0, 45, 90, and, 135 degrees. Micropolarizer arrays with elements as small as 7.4 microns and arrays as large 4 million pixels have been fabricated for use across the visible spectrum. The pixelated polarization camera acquires the four polarization orientations in a single video frame, which enables instantaneous measurements of the linear Stokes parameters. Examples of calibration methods and the results of controlled experiments are presented. Error sources and methods for minimizing them are discussed and demonstrated. A practical example of measuring stress induced birefringence is demonstrated.

Citation Download Citation

Neal J. Brock, Charles Crandall, and James E. Millerd "Snap-shot imaging polarimeter: performance and applications", Proc. SPIE 9099, Polarization: Measurement, Analysis, and Remote Sensing XI, 909903 (21 May 2014); https://doi.org/10.1117/12.2053917

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