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9 November 1987 High Efficiency Bragg Cell Using Quasi-Planar Phased Array
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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.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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