Method and apparatus for the determination of the relative frequ

Details Method and apparatus for the determination of the relative frequ Method and apparatus for the determination of the relative frequ

1994-06-06

1995-05-02

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

372 31, 372 18, 372 22, H01S 313

Patent

active

054126762

ABSTRACT:
A method and apparatus for stabilizing the relative frequency offset between a laser and a resonant optical cavity is described. Detected spatial mode patterns excited in a coupled nearly confocal resonator are used to derive a correction signal for frequency offset. The method can be applied to stabilizing a diode-cavity pathlength for an optical feedback locked diode laser system.

REFERENCES:
patent: 4103254 (1978-07-01), Chikami
patent: 4685111 (1987-08-01), Baer
patent: 4896324 (1990-01-01), Ball et al.
patent: 5328409 (1994-06-01), Laskoskie et al.

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