Coherent light generators – Particular beam control device – Q-switch
Patent
1987-05-06
1989-04-04
Sikes, William L.
Coherent light generators
Particular beam control device
Q-switch
372 19, 372 27, 372108, 350166, 350356, H01S 310
Patent
active
048192392
ABSTRACT:
The present invention provides layered devices to control the spatial and spectral distribution of energy in optical beams, particularly high-intensity laser beams. These devices include improved versions of prior art thin-film (vacuum-deposited) interference filters, rugate structure anti-reflection coatings, Q-switches, pulse shapers, modulators, optical bistable devices and the like. Control is provided using materials with large second and third order susceptibilities to electric field polarization and, if necessary, means to apply appropriate electric fields.
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patent: 4367170 (1983-01-01), Uhlmann et al.
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patent: 4531809 (1985-07-01), Carter et al.
patent: 4536450 (1985-08-01), Garito
patent: 4581315 (1986-04-01), Garito
patent: 4691982 (1987-09-01), Nishimura et al.
patent: 4711532 (1987-12-01), Choe
Dobrowolski et al; "Optical Thin Film . . . Transforms"; Oct. 1, 1978; vol. 7, No. 19; Applied Optics.
Elser Wolfgang
Sharp Edward J.
Shurtz, II Richard R.
Wood Gary L.
Harwell Max L.
Holford John E.
Lane Anthony T.
Sikes William L.
The United States of America as represented by the Secretary of
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