High power laser with tuning and line narrowing capability

Details High power laser with tuning and line narrowing capability High power laser with tuning and line narrowing capability

1976-03-19

1980-11-11

Sikes, William L.

Oscillators

Molecular or particle resonant type

331 945M, 350356, H01S 310

Patent

active

042335698

ABSTRACT:
The cavity of a high power laser is selectively tuned to oscillate in a relatively narrow spectral region by placing inside the cavity a birefringent KD*P filter at the Brewster angle. The degree of phase retardation introduced by the filter is controlled by applying an amplitude-variable voltage across the filter or rotating the filter about its .beta. axis. The laser may thus be line-narrowed and tuned, and may be used to generate two coherent signals at different wavelengths without need for an additional resonant cavity.

REFERENCES:
patent: 3482184 (1969-12-01), Schneider et al.
patent: 3492495 (1970-01-01), Demaria et al.
patent: 3670258 (1972-06-01), Magnante
patent: 3934210 (1976-01-01), Yarborough et al.
patent: 3983507 (1976-09-01), Tang et al.
CRC Handbook of Lasers, Cleveland, Ohio, p. 455, 1977, TK, 7871.3, C2.
Volkonskii et al., Sov. J. Quant. Electron., vol. 5, No. 1, Jul. 1975, pp. 103-104.

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