We propose two different in-line optical schemes for the implementation of Biaxial Crystal (BC) based polarimeters. Unlike already existing BC polarimeters prototypes, our proposed architectures only require of a single BC and only one CCD camera, this leading to more feasible and cheaper prototypes. The first scheme is restricted to linear metrology and we provide its interest to be applied under low-intensity conditions. The second architecture is suitable for complete polarimetry, this being achieved by including an optical module to properly split and steer the input light. The BC polarimeters were implemented and tested by measuring different known input polarizations and we obtained excellent results in terms of accuracy and repeatability.
Irene Estévez, Angel Lizana, Alex Turpin, Victor Sopo, Claudio Ramírez, Alba Peinado, and Juan Campos, "Snapshot Stokes polarimeters based on a single biaxial crystal," Proc. SPIE 10110, Photonic Instrumentation Engineering IV, 1011012 (Presented at SPIE OPTO: February 02, 2017; Published: 20 February 2017); https://doi.org/10.1117/12.2252767.
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