| 摘要 |
PURPOSE:To form the dyestuff laser of high transformation efficiency and high stability by adding a specified compound in a dye solution. CONSTITUTION:A dyestuff solution includes a compound expressed by formula I. A formula I-1 shows an embodiment of this compound. A concentration of the dye of trimethyne carbocyanine group comprising a telluric azole neucleus expressed by the formula I is adjusted to 10<-1>-10<-5>mol/l. as a solvent of the dyestuff solution, water or various organic solvents are available and for example, methanol is suitable for use. |
