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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 24 — Aug. 20, 2012
  • pp: 5785–5790

Wide-angle transmissive filter based on a guided-mode resonant grating

Yan Ye, Renjin Shao, Yun Zhou, and Linsen Chen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 24, pp. 5785-5790 (2012)
http://dx.doi.org/10.1364/AO.51.005785


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Abstract

A wide-angle color filter for TE-polarization is proposed based on a guided-mode resonant grating selectively coated with a metal film. The effects of the structure parameters to the resonant transmission characteristics are discussed by the rigorous coupled-wave analysis. Its optimal structure was given for a green color filter with a peak transmission of 77.6%, a full width at half-maximum (FWHM) of 120nm, and a good angular tolerance up to ±40°. Compared to the similar structure with a nonresonant dielectric grating, it decreases the FWHM effectively for the resonance induced by the guided-mode resonant grating. The numerical results indicate that the designed structure has a good wide-angle transmission performance.

© 2012 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(090.0090) Holography : Holography
(230.0230) Optical devices : Optical devices

ToC Category:
Diffraction and Gratings

History
Original Manuscript: May 1, 2012
Revised Manuscript: July 12, 2012
Manuscript Accepted: July 17, 2012
Published: August 13, 2012

Citation
Yan Ye, Renjin Shao, Yun Zhou, and Linsen Chen, "Wide-angle transmissive filter based on a guided-mode resonant grating," Appl. Opt. 51, 5785-5790 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-24-5785

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