11 August 2009 Near-infrared simultaneous Stokes imaging polarimeter
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Abstract
We have designed a new near-IR imaging polarimeter which generates the complete Stokes' vector estimation simultaneously. The design is based on our first generation division of amplitude polarimeter where four images are folded on to a single focal plane detector. This gives rise to a small compact rigid instrument. The design operation wavelength is 632.8 nanometers. The new second generation design operates at a wavelength of 1550 nanometers and has three improvements over the first generation: 1) the design of the Beam-Splitter Assembly (BSA) is based on an optimization scheme where the Measurement (instrument) matrix is optimized for Stokes' vector estimation with noisy data, 2) the four individual focusing lenses positioned after the BSA have been replaced by a single lens in front of the BSA reducing differential image distortion, and 3) a reticle is placed at an intermediate image plane, providing a fiducial mark in each of the images for precise registration.
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Jason Mudge, Jason Mudge, Miguel Virgen, Miguel Virgen, Peter Dean, Peter Dean, } "Near-infrared simultaneous Stokes imaging polarimeter", Proc. SPIE 7461, Polarization Science and Remote Sensing IV, 74610L (11 August 2009); doi: 10.1117/12.828437; https://doi.org/10.1117/12.828437
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