Dyestuff laser

Details Dyestuff laser Dyestuff laser

1982-02-18

1987-06-02

Larkins, William D.

Coherent light generators

Particular active media

Liquid

25230117, 25230132, H01S 320

Patent

active

046708820

ABSTRACT:
Dyestuff laser consisting of a reservoir, with a laser dyestuff solution contained therein, and a pumped light source associated therewith, which is capable of exciting the dyestuff solution to produce an emission, characterized in that the dyestuff solution contains, in a solvent which does not interfere with the emission, a dyestuff which, in the form of the free acid, corresponds to the general formula ##STR1## wherein R.sub.1 to R.sub.4 independently of one another represent hydrogen, alkyl, trifluormethyl, alkoxy, aralkoxy, alkenyloxy, halogen or the carboxyl, cyano, alkylsulphone, aryl-sulphone, carboxamide, sulphonamide or carboxylic acid ester group,

REFERENCES:
patent: 3859350 (1975-01-01), Sahm et al.
Majewski et al., Optics Communications, Aug. 1976, pp. 255-259.

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