Etalon laser mode selector

Details Etalon laser mode selector Etalon laser mode selector

1976-06-03

1978-03-28

Larkins, William D.

Oscillators

Molecular or particle resonant type

331 945K, 331 945L, 331 945M, 356112, H01S 3082, H01S 3086, H01S 310

Patent

active

040817601

ABSTRACT:
A Fabry-Perot etalon is mounted within the optical cavity of a laser for selecting the wavelength of the output radiation of that laser from a plurality of discrete wavelengths closely distributed about a nominal wavelength. The etalon includes a pair of closely spaced prisms mounted along the optical axis of the laser cavity with the laser beam passing therethrough. Each of the prisms has a first surface facing outwardly of the etalon and inclined at a slight angle to a normal to the optical axis, and each prism includes a second surface opticaly adjacent and spaced from the second surface of the other prism, each such second surface being inclined relative to its respective first surface.

REFERENCES:
patent: 3775699 (1973-11-01), Cassels
Peterson et al., "Interferometry and Laser Control . . . ", Applied Optics, vol. 5, No. 6, June 1966, pp. 985-991.
Barger et al., "Frequency Stabilization . . . ", Applied Physics Letters, vol. 22, No. 11, June 1, 1973, pp. 573-575.
Leeb, Applied Physics, vol. 6, pp. 267-272, 1975.

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