High power continuous wave injection-locked solid state laser

Details High power continuous wave injection-locked solid state laser High power continuous wave injection-locked solid state laser

1990-06-13

1991-06-25

Gonzalez, Frank

Coherent light generators

Particular beam control device

Mode locking

372 26, 372 29, 372 32, 372 94, 372 97, H01S 3098, H01S 3139

Patent

active

050273604

ABSTRACT:
A high power injection-locked laser system (10) is disclosed which includes master and slave lasers (12, 14) both of which are solid state lasers having continuous wave outputs. The slave laser has an output power at least ten times greater than the master laser. In the preferred embodiment, the slave laser is at least one-hundred times as powerful as the master laser. In accordance with the subject invention, a servo-loop control system is used to maintain the injection locked condition. A discriminant signal is generated that is indicative of drift in the slave laser cavity. The discriminant signal is used adjust the length of the slave laser cavity to maintain the locked condition.

REFERENCES:
patent: 3646468 (1972-02-01), Buczek et al.
patent: 3646469 (1972-02-01), Buczek et al.
patent: 3740664 (1973-06-01), Freiberg et al.
patent: 4755016 (1988-07-01), DeLoach Jr. et al.
patent: 4907234 (1990-03-01), Goldberg et al.
patent: 4930133 (1990-05-01), Babbitt et al.
"Coherent Summation of Injection-Locked, Diode-Pumped Nd:YAG Ring Lasers", Harrison, et al., Optics Letters, vol. 13, No. 2, pp. 111-113, Feb. 1988.
"Injection Locking and Chaining of Diode-Pumped Monolithic Lasers", Emily A. Cheng, Poster Paper Presented at Annual Meeting of Optical Society of America, Santa Clara, Calif., Oct. 1988.
"Laser Phase and Frequency Stabilization using an Optical Resonator", Drever, et al., Applied Physics B 31, 97-105 (1983).
"Injection Locking of Argon-Ion Lasers", C. N. Man and A. Brillet, Optics Letters, vol. 9, No. 8, pp. 333-335, Aug. 1984.

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