Harris Corporation

Harris-Intertype Corporation

Eddie Hung Young, Jr

Robert Morris Montgomery

Shi-Kay Yao

Charles Raymond Burr

Richard Howard Johnson

A method of fabricating a stepped-array acousto-optic beam deflector comprising the steps of providing a substrate having upper and lower surfaces lying in mutually oblique planes, forming an electro-acoustic transducer on the upper substrate surface, cutting through the substrate and the upper and lower surfaces to form a plurality of disjoined transducer elements positioned side by side, and mounting the disjoined transducer elements in tandem to an acousto-optic element.

Method of fabricating a stepped-array acousto-optic beam deflector

A mode-locked cavity-dumped laser in which the dumping is phase-coherently synchronized with the mode locking. An acousto-optic modulator is employed in the cavity for dumping. On two passes through the modulator, an envelope pulse of light has two portions deflected to a common output path, one of the portions being shifted upward in frequency and the other downward, by an amount equal to the acoustic excitation frequency. The ability of the modulator to provide output power is therefore envelope-modulated at twice the acoustic frequency. The power of successive output pulses is maintained uniform by synchronizing the phase of the circulating mode-locked pulses with respect to the phase of the envelope modulation.

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Indialantic, FL, United States of America

Eddie Hung Young, Jr