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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 15 — Aug. 1, 2007
  • pp: 2269–2271

Experimental demonstration of a narrowband, angular tolerant, polarization independent, doubly periodic resonant grating filter

Anne-Laure Fehrembach, Anne Talneau, Olga Boyko, Fabien Lemarchand, and Anne Sentenac  »View Author Affiliations


Optics Letters, Vol. 32, Issue 15, pp. 2269-2271 (2007)
http://dx.doi.org/10.1364/OL.32.002269


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Abstract

Resonant grating filters are promising components for free-space narrowband filtering. Unfortunately, due to their weak angular tolerance, their performances are strongly deteriorated when they are illuminated with a standard collimated beam. Yet this problem can be overcome by resorting to a complex periodic pattern known as the doubly periodic grating [Lemarchand et al., Opt. Lett. 23, 1149 (1998)] . We report what we believe to be the first experimental fabrication and characterization of a bidimensional doubly periodic grating filter. We obtained a 0.5 nm bandpass polarization independent reflection filter for telecom wavelengths (1520– 1570 nm ) that presents a transmittivity minimum of 18% with a standard incident collimated beam.

© 2007 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.4000) Optical devices : Microstructure fabrication
(260.5740) Physical optics : Resonance
(310.2790) Thin films : Guided waves

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: May 4, 2007
Revised Manuscript: May 24, 2007
Manuscript Accepted: May 27, 2007
Published: July 31, 2007

Citation
Anne-Laure Fehrembach, Anne Talneau, Olga Boyko, Fabien Lemarchand, and Anne Sentenac, "Experimental demonstration of a narrowband, angular tolerant, polarization independent, doubly periodic resonant grating filter," Opt. Lett. 32, 2269-2271 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-15-2269


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