Paper
22 March 2007 Discrimination characteristics of a wire-grid polarizer for polarimetric detection of multiple polarized beams
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Abstract
The presence of multiple polarized beams can limit the polarimetric discrimination capability of a wire-grid polarizer (WGP). In this study, the effect of linearly polarized background on the polarimetric performance of a WGP has been investigated and compared with that of a perfect polarizer. Simulation results based on rigorous coupled-wave analysis indicate that while a WGP mimics a perfect polarizer in discrimination characteristics, the range of the object polarization angle that can be discriminated against polarized background is fairly limited. The negative impact of Rayleigh anomaly is also discussed. The detectability of the object polarization can be strongly enhanced by employing a multi-cell WGP with multiple polarization orientations.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Donghyun Kim and Seyoung Moon "Discrimination characteristics of a wire-grid polarizer for polarimetric detection of multiple polarized beams", Proc. SPIE 6468, Physics and Simulation of Optoelectronic Devices XV, 64680Z (22 March 2007); https://doi.org/10.1117/12.699659
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Cited by 2 scholarly publications.
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KEYWORDS
Polarization

Polarimetry

Polarizers

Diffraction

Gold

Sensors

Silicon

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