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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 26 — Sep. 10, 2005
  • pp: 5398–5402

Performance uniformity analysis of a wire-grid polarizer in imaging polarimetry

Donghyun Kim  »View Author Affiliations


Applied Optics, Vol. 44, Issue 26, pp. 5398-5402 (2005)
http://dx.doi.org/10.1364/AO.44.005398


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Abstract

The polarimetric performance nonuniformity of a wire-grid polarizer (WGP) used in imaging polarimetry is investigated with a simple numerical model. The simulation results based on rigorous coupled-wave analysis show that the aperture ratio between the entrance pupil and the WGP significantly affects the uniformity among pixels of a WGP. Even with a WGP smaller than an imaging aperture, the results suggest that the design avoids incurring a Rayleigh anomaly, which causes a substantial increase in polarimetric nonuniformity. Minimizing the variation due to the characteristics of a WGP is important to reduce the likelihood of an error in imaging polarimetry.

© 2005 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(230.5440) Optical devices : Polarization-selective devices
(260.5430) Physical optics : Polarization

History
Original Manuscript: February 25, 2005
Revised Manuscript: April 21, 2005
Manuscript Accepted: April 29, 2005
Published: September 10, 2005

Citation
Donghyun Kim, "Performance uniformity analysis of a wire-grid polarizer in imaging polarimetry," Appl. Opt. 44, 5398-5402 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-26-5398

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