Active dispersion control for a Doppler broadened laser

Details Active dispersion control for a Doppler broadened laser Active dispersion control for a Doppler broadened laser

1984-12-11

1987-01-06

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

368118, H01S 313

Patent

active

046352660

ABSTRACT:
A method of controlling the output of a laser in a laser clock to compensate for changes in the output of the laser due to optical dispersion resulting from laser aging and changes in laser temperature is described, which comprises, comparing the output frequency of the laser clock with a standard of known frequency, such as an atomic clock, calculating the change in laser discharge current corresponding to any difference between the laser clock frequency and the standard required to adjust the laser clock frequency to a predetermined frequency value, and adjusting the laser discharge current to a value corresponding to the predetermined laser clock frequency.

REFERENCES:
patent: 3462708 (1969-08-01), McClure
patent: 3597088 (1971-08-01), Catherin
patent: 3786681 (1974-01-01), Kiehn
patent: 3851973 (1974-12-01), Macek
patent: 4110045 (1978-08-01), Smith, Jr. et al.
patent: 4121178 (1978-10-01), Schlossberg
patent: 4198163 (1980-04-01), Bresman et al.
patent: 4284964 (1981-08-01), Maier, Jr.
patent: 4398293 (1983-08-01), Hall et al.
patent: 4482259 (1984-11-01), Facklam
"Biassing the Raytheon Four-Frequency Ring Laser Gyroscope", by I. W. Smith et al, SPIE, vol. 157, pp. 21-29.

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