Segmented coupled-wave analysis of a curved wire-grid polarizer
JOSA A, Vol. 25, Issue 3, pp. 558-565 (2008)
http://dx.doi.org/10.1364/JOSAA.25.000558
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Abstract
The performance of a wire-grid polarizer (WGP) on a curved surface was investigated with a simple numerical model. The computation model combines rigorous coupled-wave analysis with piecewise linear segmentation that approximates a curved surface for two bending configurations. A curvature-induced Rayleigh anomaly is found to be the main performance degradation mechanism that reduces transmittance and polarization contrast. A WGP on a curved surface is more likely to incur the Rayleigh anomaly with smaller surface curvature. For a given curvature, a larger WGP is more vulnerable. Effects of polar and azimuthal incidence angles were also analyzed. Suggestions were made in regard to a WGP design that minimizes the performance degradation.
© 2008 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
ToC Category:
Optical Devices
History
Original Manuscript: June 29, 2007
Revised Manuscript: November 28, 2007
Manuscript Accepted: December 16, 2007
Published: February 4, 2008
Citation
Donghyun Kim and Eunji Sim, "Segmented coupled-wave analysis of a curved wire-grid polarizer," J. Opt. Soc. Am. A 25, 558-565 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-3-558
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