Bismuth halide vapor laser

Details Bismuth halide vapor laser Bismuth halide vapor laser

1976-07-09

1977-09-13

Edlow, Martin H.

Oscillators

Molecular or particle resonant type

331945PE, H01S 300

Patent

active

040485870

ABSTRACT:
The low temperature operation, i.e., between 300.degree. and 500.degree. C, of a bismuth halide vapor laser avoids the formation of the metal dimer Bi.sub.2 the occurrence of which in the operation of a pure bismuth laser significantly reduces the gain and stimulated output due to absorption of the laser energy. The successful operation of a bismuth halide laser provides the basis for developing a laser operating in the underwater transmission band of between 4,700 and 4,800 Angstroms which lies near the minimum of the sea water absorption scattering curve thus rendering it a prime candidate for underwater applications.

REFERENCES:
patent: 3576500 (1971-04-01), Gould
patent: 3934211 (1976-01-01), Lucov et al.
patent: 3936772 (1976-02-01), Lucov et al.

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