研究了用有机染料进行抽运光光谱转移提高抽运效率的可能性。氙灯脉冲宽度从 1 81μs降到 1 1 8μs,激光输出斜效率提高了 1 7%。采用 R- 640染料光谱转移实现光谱匹配 ,斜效率提高了1 0 % ,采用 1 2 0μs的脉冲抽运光及用有机染料 R- 640对氙灯抽运光进行光谱转移 ,抽运 Cr3 +浓度为 5(at- % ) ,尺寸为 6 mm× 45 mm的 Cr3 + :Li SAF6激光晶体 ,中心波长为 830 nm,获得 1 J的激光能量输出 The possibility of pumping light spectrum transfer with organic dyes to improve pumping efficiency was studied. Xenon lamp pulse width from 1 81μs down to 118μs, laser output ramp efficiency increased by 17%. Spectral matching was achieved by R-640 dye spectral shift, the slope efficiency increased by 10%. The pulsed light with 120μs pulse and the spectral shift of the xenon lamp pumping light with organic dye R-640 were used. The concentration of Cr3 + 5 (at-%), Cr3 +: Li SAF6 laser crystal with a size of 6 mm × 45 mm with a center wavelength of 830 nm and 1 J laser energy output