Article
Article
Optical modulator
Article By:
Kaminow, Ivan P. Bell Telephone Laboratories, Holmdel, New Jersey.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.472700
A device that serves to vary some property of a light beam. The direction of the beam may be scanned as in an optical deflector, or the phase or frequency of an optical wave may be modulated. Most often, however, the intensity of the light is modulated.
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