High flow metal halide vapor laser

Details High flow metal halide vapor laser High flow metal halide vapor laser

1974-10-04

1976-02-03

Webster, Robert J.

Oscillators

Molecular or particle resonant type

331 945PE, 330 43, H01S 322

Patent

active

039367720

ABSTRACT:
A method and means are disclosed for obtaining high pulse rate metal vapor laser transitions by vaporizing a metal halide of the desired metal. The vapor of the metal halide is transversely passed at at least sonic velocities through a discharge region where it is dissociated to provide a neutral metal atom excited to an upper laser level by electrons of sufficient energy to create resonance radiation trapping and a population inversion of the upper laser level. The flow rate is maintained to permit the excited metal atom to emit laser radiation by stimulated emission to a lower laser level in the discharge region and to remove the lower laser level atoms therefrom. Dissociation and excitation of the flowing metal atoms are repeated periodically.

REFERENCES:
patent: 3576500 (1971-04-01), Gould et al.
Seguin et al., Applied Optics, Vol. 11, No. 4, Apr. 1972, pp. 745-748.
McMahon, Optical Spectra, Vol. 5, Dec. 1971, pp. 30-34.
Russell et al., Applied Physics Letters, Vol. 21, pp. 565-567.

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