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    • 4. 发明授权
    • Dyestuff laser
    • 染料激光
    • US4670882A
    • 1987-06-02
    • US349900
    • 1982-02-18
    • Helmut TelleRudolf SchiederRoderich RaueUdo Eckstein
    • Helmut TelleRudolf SchiederRoderich RaueUdo Eckstein
    • C07D307/82C07D307/86C09B57/00H01S3/213H01S3/20
    • C07D307/82C07D307/86C09B57/00H01S3/213
    • 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,R.sub.1 and R.sub.4 can additionally denote a fused-on benzene ring,n represents a number 2 to 6 ando, p, q and r independently of one another represent 0, 1 or 2,in a concentration, preferably of 10.sup.-2 to 10.sup.-5 mol/1, which emits laser radiation.
    • 由储存器组成的染料激光器,其中包含激光染料溶液,以及与其相关联的泵浦光源,其能够激发染料溶液以产生发射,其特征在于,所述染料溶液在不溶剂 干扰发射,以游离酸的形式对应于通式为“IMAGE”的染料,其中R 1至R 4彼此独立地表示氢,烷基,三氟甲基,烷氧基,芳烷氧基,烯氧基,卤素或羧基 ,氰基,烷基砜,芳基砜,甲酰胺,磺酰胺或羧酸酯基团,R 1和R 4可以另外表示稠合的苯环,n表示2至6的数,o,p,q和r彼此独立地 代表0,1或2,其浓度,优选为10-2至10-5mol / l,其发射激光辐射。