Integrated Optics Devices Utilizing Thick Phase Gratings

R. P. Kenan; D. W. Vahey; N. F. Hartman; V. E. Wood; C. M. Verber

doi:10.1117/12.7971899

1 February 1976 Integrated Optics Devices Utilizing Thick Phase Gratings

R. P. Kenan; D. W. Vahey; N. F. Hartman; V. E. Wood; C. M. Verber

Author Affiliations +

Optical Engineering, 15(1), 150112 (1976). https://doi.org/10.1117/12.7971899

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.

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R. P. Kenan, R. P. Kenan, D. W. Vahey, D. W. Vahey, N. F. Hartman, N. F. Hartman, V. E. Wood, V. E. Wood, C. M. Verber, C. M. Verber, } "Integrated Optics Devices Utilizing Thick Phase Gratings," Optical Engineering 15(1), 150112 (1 February 1976). https://doi.org/10.1117/12.7971899 . Submission:

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