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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 26 — Sep. 10, 2008
  • pp: 4735–4738

Modeling, fabrication, and characterization of tungsten silicide wire-grid polarizer in infrared region

Itsunari Yamada, Junji Nishii, and Mitsunori Saito  »View Author Affiliations


Applied Optics, Vol. 47, Issue 26, pp. 4735-4738 (2008)
http://dx.doi.org/10.1364/AO.47.004735


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Abstract

We designed and fabricated a tungsten silicide wire-grid polarizer. To examine its polarization characteristics, the transmission spectra of the polarizer were simulated using the effective medium theory. The polarizer was fabricated based on the simulation results. The transverse magnetic (TM) polarization transmittance of the fabricated polarizer was greater than 50% over the 5 μm wavelength, and the ratio of TM and transverse electric transmittance was greater than 100 ( 20 dB ) in the infrared range. This fabricated polarizer has higher durability and better compatibility with microfabrication processes than conventional infrared polarizers.

© 2008 Optical Society of America

OCIS Codes
(230.5440) Optical devices : Polarization-selective devices
(260.3060) Physical optics : Infrared
(260.2065) Physical optics : Effective medium theory
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optical Devices

History
Original Manuscript: June 23, 2008
Manuscript Accepted: July 27, 2008
Published: September 9, 2008

Citation
Itsunari Yamada, Junji Nishii, and Mitsunori Saito, "Modeling, fabrication, and characterization of tungsten silicide wire-grid polarizer in infrared region," Appl. Opt. 47, 4735-4738 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-26-4735


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