Gaseous laser medium and means for excitation

Details Gaseous laser medium and means for excitation Gaseous laser medium and means for excitation

Filed on

1975-12-22

Date issued

1978-02-21

Examiner

Sikes, William L.

Patent Class

Oscillators

SubClass

Molecular or particle resonant type

Other Related Categories

H01S 322

Type

Patent

Status

active

Patent number

040755797

Description

ABSTRACT:
A gaseous laser medium is photodissociated into an upper laser state by vacuum ultraviolet light from an electrically excited noble gas mixed with the laser medium. A gaseous laser medium, such as cyanogen bromide, is preferably resonantly excited by photodissociation by such vacuum ultraviolet light. CN particles in the B state undergo laser transition to the X state, producing radiation at about 4000A. Alternatively or additionally, a gaseous laser medium is excited to produce molecules, such as halogen molecules, particularly Br.sub.2, in an upper laser state whence they undergo transition by laser action to a weakly bound lower laser state that is rapidly depopulated.

REFERENCES:
patent: 3411105 (1968-11-01), Patel
Byer et al., Applied Physics Letters, vol. 20, No. 11, 1 June 1972, pp. 463-466.
West et al., J. of Chemical Physics, vol. 61, No. 11, 1 Dec. 1974, pp. 4700-4716.
Coxon et al., J. Chem. Phys., vol. 58, No. 6, 15 Mar. 1973, pp. 2244-2257.

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