Limitations of Acoustic Optics in High-Power Laser Applications
Acousto-optic effects occur when light interacts with ultrasonic waves in a crystal. By changing the electrical drive signal that drives a piezoelectric transducer on which this crystal sits, modulation of its intensity can take place. Acoustic velocity limits the bandwidth of such devices, necessitating a minimum focused diameter for optimal acousto-optic interaction. 1. Frequency Dependence …
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