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Star test image-sampling polarimeter
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DOI：10.1364/OE.24.023154.png)
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Abstract
En 中文
We present an analysis and test of an image sampling polarimeter based on the concept of Star Test Polarimetry first introduced by Ramkhalawon. The method makes use of a stress engineered optical element (SEO) placed in the pupil plane of an optical system to induce a polarization dependent point spread function (PSF) at the detector. We describe the calibration requirements of the polarimeter and introduce a new algorithm that can robustly extract the Stokes parameters in a single irradiance measurement. By acquiring statistics on the sampled Stokes parameters of a uniformly illuminated pinhole array, we show that a single frame can provide a root mean square angular error of approximately 10 milliradians on the Poincare sphere. (C)2016 Optical Society of America
Keywords:
MUELLER MATRIX
POLARIZATION
SCATTERING
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