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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 17, Iss. 9 — Sep. 1, 2000
  • pp: 1590–1593

Polarization dependence of diffraction gratings that have total internal reflection facets

S. Yu. Sadov and K. A. McGreer  »View Author Affiliations


JOSA A, Vol. 17, Issue 9, pp. 1590-1593 (2000)
http://dx.doi.org/10.1364/JOSAA.17.001590


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Abstract

The total internal reflection (TIR) grating is an integrated optical diffraction grating designed to achieve high efficiency for the retrodiffracted order by use of total internal reflection twice within a groove of the grating rather than by use of metalized grooves. Numerical calculations are presented for both TE and TM polarizations of incident light. When the TIR grating was used in the -mth-order Littrow mount with m>13, the diffraction efficiency was found to decrease linearly with 1/m. The polarization dependence of the retrodiffraction efficiency exceeds 3 dB for TIR gratings formed in silica glass (n=1.5) but is very small for gratings with InP-based technology (n=3.2).

© 2000 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.2330) Fiber optics and optical communications : Fiber optics communications
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(260.6970) Physical optics : Total internal reflection

History
Original Manuscript: September 22, 1999
Revised Manuscript: April 27, 2000
Manuscript Accepted: April 27, 2000
Published: September 1, 2000

Citation
S. Yu. Sadov and K. A. McGreer, "Polarization dependence of diffraction gratings that have total internal reflection facets," J. Opt. Soc. Am. A 17, 1590-1593 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-9-1590


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