ultrasonic light modulator

ultrasonic light modulator

[¦əl·trə′sän·ik ′līt ‚mäj·ə‚lād·ər]
(optics)
Device containing a fluid which, by action of ultrasonic waves passing through the fluid, modulates a beam of light passed transversely through the fluid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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