High Efficiency Bragg Cell Using Quasi-Planar Phased Array

S K Yao; Ted Chen

doi:10.1117/12.940728

9 November 1987 High Efficiency Bragg Cell Using Quasi-Planar Phased Array

S K Yao, Ted Chen

Proceedings Volume 0789, Optical Technology for Microwave Applications III; (1987) https://doi.org/10.1117/12.940728
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

A new technique is developed for improved efficiency with planar phased array Bragg cells. By the preparation of a groved substrate surface prior to the fabrication of a planar phased array acoustic transducer, the symmetry of the planar phased array structure is removed, As a result, one of the two acoustic first order wavefronts can be suppressed. Bragg diffraction efficiency is improved by approximately a factor of two due to the concentration of acoustic power. Several devices have been fabricated successfully on GaP substrate demonstrating the expected efficiency gain.

Citation Download Citation

S K Yao and Ted Chen "High Efficiency Bragg Cell Using Quasi-Planar Phased Array", Proc. SPIE 0789, Optical Technology for Microwave Applications III, (9 November 1987); https://doi.org/10.1117/12.940728

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