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Proceedings Paper

Optically rotated long time aperture TeO2 Bragg cell
Author(s): Eddie H. Young; Huey C. Ho; Lorna J. Harrison
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Paper Abstract

Rotation of the incident optical beam in Te02 allows selection of the tangential AO interaction to achieve higher efficiency-bandwidth product. This interaction mode results in improved diffraction efficiency by having a longer interaction length, an increase in the two-tone dynamic range, and allows for the use of linear laser polarization. A detailed analysis shows the distinction between the Z axis incident wave and the rotated incident wave in phase mismatch conditions and the efficiency bandwidth relationship. Two devices were fabricated with the following characteristics: aperture time of 70 microseconds with 30 MHz bandwidth; and aperture time of 50 microseconds with 40 MHz bandwidth. A brief result of the phase mismatch analysis, design of the devices, and measurements of the performance compared against theory are presented.

Paper Details

Date Published: 1 September 1990
PDF: 12 pages
Proc. SPIE 1296, Advances in Optical Information Processing IV, (1 September 1990); doi: 10.1117/12.21275
Show Author Affiliations
Eddie H. Young, Newport Electro-Optics Systems, Inc. (United States)
Huey C. Ho, Newport Electro-Optics Systems, Inc. (United States)
Lorna J. Harrison, Harry Diamond Labs. (United States)

Published in SPIE Proceedings Vol. 1296:
Advances in Optical Information Processing IV
Dennis R. Pape, Editor(s)

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