Optically Isotropic Piezoelectric Resonant Collinear Acousto-Optic Modulator
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United States of America Patent
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Jun 27, 2024
app pub date -
Jan 31, 2024
filing date -
Apr 19, 2018
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Abstract
Improved optical modulation is provided in materials which are both piezoelectric and optically isotropic. This enables an acousto-optic modulator configuration with a longitudinal interaction geometry for the optical and acoustic waves which also provides a large acceptance angle. Preferably, the acoustic modulation is at a frequency that corresponds to a mechanical resonance of the modulator window.
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