Metal halide vapor laser

Details Metal halide vapor laser Metal halide vapor laser

1974-09-11

1976-01-20

Webster, Robert J.

Oscillators

Molecular or particle resonant type

331 945PE, 330 43, H01S 322

Patent

active

039342115

ABSTRACT:
The invention is directed to a method for obtaining pulsed metal vapor laser transitions. The method comprises placing a metal halide of the desired metal within an enclosure and vaporizing the metal halide to provide a metal halide vapor. The metal halide vapor is thereafter dissociated to provide ground state metal atoms of sufficient number density to create a condition for resonance trapping and, substantially simultaneously therewith, ground state metal atoms are excited to an upper laser level, while maintaining a sufficient number in the ground state to preserve said resonance radiation trapping condition, with electrons sufficiently energized to create a population inversion between the upper and lower laser level. The excited metal atom is permitted to emit laser radiation by stimulated emission to a lower laser level and the emission is resonated, preferably between a pair of externally mounted mirrors. The metal atom is permitted to relax from the lower laser level to ground state and the aforementioned steps are repeated.

REFERENCES:
patent: 3576500 (1971-04-01), Gould et al.

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