Coherent light generators – Particular beam control device – Q-switch
Patent
1993-02-05
1993-12-07
Scott, Jr., Leon
Coherent light generators
Particular beam control device
Q-switch
372 26, 372 27, 385 1, H01S 311
Patent
active
052689115
ABSTRACT:
An acousto-optical laser modulator includes an X-cut crystal quartz block. A transducer, such as a piezoelectric device, is coupled to the block. An electrical signal provided to the transducer causes the transducer to vibrate. The vibrations propagate through the block as acoustic waves. A laser beam incident on the block may be refracted or diffracted by the acoustic waves. X-cut crystal quartz has various properties such as high thermal conductivity, low acoustic attenuation, high loss modulation efficiency, high drive power efficiency, and low angular sensitivity which make it well suited for applications in acousto-optical devices.
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Richard T. Webster; "X-Cut Quartz for Improved Surface Acoustic Wave Temperature Stability"; J. Appl. Phys 56(5); pp. 1540-1542; Sep. 1, 1984.
Jr. Leon Scott
Wands Charles E.
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