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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 8 — Mar. 10, 2005
  • pp: 1366–1371

Polarization characteristics of a wire-grid polarizer in a rotating platform

Donghyun Kim  »View Author Affiliations


Applied Optics, Vol. 44, Issue 8, pp. 1366-1371 (2005)
http://dx.doi.org/10.1364/AO.44.001366


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Abstract

I explore the polarization characteristics of a wire-grid polarizer operating in a rotating platform using well-established rigorous coupled-wave analysis. The results show that the performance of a wire-grid polarizer evaluated in transmittance and extinction ratio is substantially degraded with rotation, although it is still more robust than that of a perfect polarizer. The performance may further deteriorate with inclined incidence due to an increased negative effect of a Rayleigh anomaly. Either a finer or a deeper grating reduces the adverse effect of rotation. Although implementation of such a grating is difficult, the rotation characteristics can be enhanced by means of pixelating the wire grids of various orientations and capturing the input images with a sufficiently high sampling rate.

© 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

History
Original Manuscript: August 19, 2004
Revised Manuscript: October 26, 2004
Manuscript Accepted: October 28, 2004
Published: March 10, 2005

Citation
Donghyun Kim, "Polarization characteristics of a wire-grid polarizer in a rotating platform," Appl. Opt. 44, 1366-1371 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-8-1366

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