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Optical Engineering

Integrated Optics Devices Utilizing Thick Phase Gratings
Author(s): R. P. Kenan; D. W. Vahey; N. F. Hartman; V. E. Wood; C. M. Verber
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Paper Abstract

Thick phase gratings have a variety of possible uses as device components in integrated optical systems. The applications make use of one or more of the unique properties of these gratings: high diffraction efficiency, good angular selectivity, and straightforward fabrication. In planar waveguides, the diffraction efficiency and angular selectivity desired for a particular application determine the length of the grating along the waveguide surface. We have holographically recorded 2 mm gratings having peak diffraction efficiencies in excess of 50% and angular selectivities less than 2 mrad by intersecting guided waves in a sample of photorefractive LiNbO3. Such gratings provide the central element in a number of actual and contemplated waveguide devices, including mirrors, beam splitters, lenses, switches, modulators, and interferometers.

Paper Details

Date Published: 1 February 1976
PDF: 5 pages
Opt. Eng. 15(1) doi: 10.1117/12.7971899
Published in: Optical Engineering Volume 15, Issue 1
Show Author Affiliations
R. P. Kenan, Battelle Columbus Laboratories (United States)
D. W. Vahey, Battelle Columbus Laboratories (United States)
N. F. Hartman, Battelle Columbus Laboratories (United States)
V. E. Wood, Battelle Columbus Laboratories (United States)
C. M. Verber, Battelle Columbus Laboratories (United States)

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