Gallium arsenide electro-optic modulator for the 10.6-micron CO2laser

Gallium arsenide electro-optic modulator for the 10.6-micron CO2laser

A gallium arsenide electro-optic modulator has been used for external modulation of the output of a CO 2 laser at 10.6 microns. Modulation depths of 70% have been obtained for a modulating signal of 1000 volts. Modulation frequencies of a few hundred megahertz should be possible based on experiments...

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Bibliographic Details
Published in:1966 International Electron Devices Meeting p. 132
Main Author: Walsh, T.E.
Format: Conference Proceeding
Language:English
Published: IRE 1966
Subjects:
Detectors
Electrooptic modulators
Fluctuations
Gallium arsenide
Laboratories
Laser theory
Lasers and electrooptics
Surgery
Time measurement
Yield estimation
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Summary:A gallium arsenide electro-optic modulator has been used for external modulation of the output of a CO 2 laser at 10.6 microns. Modulation depths of 70% have been obtained for a modulating signal of 1000 volts. Modulation frequencies of a few hundred megahertz should be possible based on experiments performod at shorter wavelengths. The effect of high laser output power on the modulator performance will be discussed.
DOI:10.1109/IEDM.1966.187758