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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 33 — Nov. 20, 2004
  • pp: 6157–6165

Polarization-selective beam splitter based on a highly efficient simple binary diffraction grating

Danaë Delbeke, Roel Baets, and Peter Muys  »View Author Affiliations


Applied Optics, Vol. 43, Issue 33, pp. 6157-6165 (2004)
http://dx.doi.org/10.1364/AO.43.006157


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Abstract

A polarization beam splitter (PBS) based on a giant-reflection to zero-order (GIRO) grating is presented. The GIRO grating is a simple binary diffraction grating with parameters chosen such that the excited optical modes in the grating interfere constructively and destructively at the respective interfaces. This interference results in high-zero-order reflection (>99%) with a high polarization-selective extinction ratio (±30 dB). The grating shows a low aspect ratio. The GIRO PBS is theoretically and experimentally shown to be an adequate PBS for use as an optical isolator in combination with a quarter-wave plate in a CO2-laser system.

© 2004 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1970) Diffraction and gratings : Diffractive optics
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(230.1360) Optical devices : Beam splitters
(230.3240) Optical devices : Isolators

History
Original Manuscript: April 21, 2004
Published: November 20, 2004

Citation
Danaë Delbeke, Roel Baets, and Peter Muys, "Polarization-selective beam splitter based on a highly efficient simple binary diffraction grating," Appl. Opt. 43, 6157-6165 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-33-6157

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