Coherent light generators – Particular beam control device – Optical output stabilization
Patent
1991-04-25
1992-03-24
Epps, Georgia Y.
Coherent light generators
Particular beam control device
Optical output stabilization
372 94, 372 29, 372 28, 372 15, 372 12, 372 10, 356350, H01S 313
Patent
active
050994867
ABSTRACT:
A method and apparatus is presented whereby control of the frequency of pulses emitted by a resonant ring slave laser is forced to a single frequency defined by a seed laser through the control of the pathlength of the ring laser resonant path. By monitoring the time difference between turn on of a Q-switch within the laser resonant cavity and the time of occurrence of the output pulse of the slave laser, and effecting changes to the ring laser resonant path in a manner to minimize the measured time difference, the frequency of the output pulse from the slave laser is driven to a single frequency defined by the seed laser resonator.
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Acharekar Madhu A.
Adamkiewicz Edward J.
Epps Georgia Y.
Litton Systems Inc.
Rusche Edmund W.
Schwartz Electro-Optics, Inc.
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