Coherent light generators – Particular beam control device – Mode locking
Patent
1979-06-26
1982-03-16
Sikes, William L.
Coherent light generators
Particular beam control device
Mode locking
372 19, 372 94, H01S 3098
Patent
active
043203590
ABSTRACT:
An optical beam mode controlled high power laser system having a resonator which incorporates therein as one of the reflective elements a high efficiency diffraction grating. Impinging upon the diffraction grating is not only the high power resonator laser beam, but also an injected mode controlling laser beam of preselected wavelength. Each beam is directed at the diffraction grating at a predetermined angle in order for the grating to direct away therefrom a combined beam of radiant energy having high power and being locked to the preselected wavelength of the injected laser beam. It is this high power laser beam of preselected wavelength which is output from the laser system.
REFERENCES:
patent: 3611181 (1971-10-01), Lary et al.
patent: 3702973 (1972-11-01), Daugherty et al.
patent: 3845409 (1974-10-01), Wada et al.
patent: 3969688 (1976-08-01), Freiberg et al.
patent: 4126832 (1978-11-01), Schlossberg et al.
"Gain Spiking and Mode-Beating Control by Signal Injection in CO.sub.2 Lasers", by Cason et al., Jour. Appl. Phys., vol. 48, No. 6, Jun. 1977.
"An Indepently Controllable Multiline Laser Resonator and Its Use in Multifrequency Injection Locking", by Sheffield et al., Appl. Phys. Lett., vol. 29, No. 9, Nov. 1976.
Erkkila John H.
Gavrielides Athanasios
Peterson Phillip R.
Erlich Jacob N.
Jr. Leon Scott
Sikes William L.
Singer Donald J.
The United States of America as represented by the Secretary of
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