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Proceedings Paper

Generalized theory of phased-array Bragg interaction in a birefringent medium and its application to TeO2 for intermodulation product reduction
Author(s): Manhar L. Shah; Dennis R. Pape
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Paper Abstract

The phased array transducer and birefringent Bragg interaction provide a unique combination of features not available with the usual acoustical or optical rotation schemes in slow shear TeO2. A general theory for phased array Bragg interaction in a birefringent medium is presented. A 50 MHz bandwidth slow shear TeO2 Bragg cell was constructed using this theory. Excellent match between the designed and observed frequency band was obtained. As a result of the strong anisotropy of the acoustic velocity, we were able to reduce the intermodulation products by removing the negative first-order acoustic beam from the optical interaction region. The limitation in performance imposed by previous slow shear TeO2 designs using either optical or acoustical rotation are eliminated.

Paper Details

Date Published: 24 August 1992
PDF: 11 pages
Proc. SPIE 1704, Advances in Optical Information Processing V, (24 August 1992); doi: 10.1117/12.139893
Show Author Affiliations
Manhar L. Shah, MVM Electronics, Inc. (United States)
Dennis R. Pape, Photonic Systems, Inc. (United States)

Published in SPIE Proceedings Vol. 1704:
Advances in Optical Information Processing V
Dennis R. Pape, Editor(s)

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