Laser communication system

Details Laser communication system Laser communication system

1985-09-26

1988-01-05

Howell, Janice A.

Radiant energy

Luminophor irradiation

356318, F21V 916

Patent

active

047178280

ABSTRACT:
A laser communication system in which a filter-detector is provided which has a high acceptance angle and a narrow bandwidth. The filter-detector contains vaporized selected atomic species or a molecular composition dissociable to the selected atomic species. The selected atomic species electronic ground state is not absorptive of the laser output wavelength, but the selected atomic species exhibits a metastable or long-lived energy state which when populated absorbs the laser output wavelength. A subsequent transition produces fluorescence from the atomic species as a function of the laser output.

REFERENCES:
patent: 3795819 (1974-03-01), Harris
patent: 3801797 (1974-04-01), Harris et al.
patent: 4292526 (1981-09-01), Marling

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