Compositions – Organic luminescent material containing compositions – Scintillating or lasing compositions
Patent
1974-03-01
1976-08-17
Mack, John H.
Compositions
Organic luminescent material containing compositions
Scintillating or lasing compositions
2602401, 260308A, 2603432R, 331 945L, H01S 320, F21K 200
Patent
active
039752917
ABSTRACT:
Laser light of different wavelength can be produced by exciting sparingly water soluble fluorescent compounds of which the .alpha..alpha. m value is less than 0,300 and of which the molecular symmetry is either of symmetry group C.sub.s or of a higher symmetry group than this, the fluorophor having to form a rigid system if the compound belongs to symmetry group C.sub.s, the compounds being present in concentrations of between 10.sup..sup.-1 and 10.sup..sup.-5 mol/l in organic solvents.
REFERENCES:
patent: 3521187 (1970-07-01), Snavely et al.
patent: 3774122 (1973-11-01), Webster
patent: 3781711 (1973-12-01), Drexhage et al.
"Dye Lasers," Edited by F. P. Schafer, Springer Verlag, Berlin, 1973, pp. 180-193.
Claussen Uwe
Oppermann Gunter
Bayer Aktiengesellschaft
Mack John H.
Weisstuch Aaron
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