Diode-pumped continuous-wave, quasi-continuous-wave, and Q-switched laser operation of Yb3+, Tm3+:: YLiF4 at 1.5 and 2.3 μm

被引:53
作者
Diening, A [1 ]
Mobert, PEA [1 ]
Huber, G [1 ]
机构
[1] Univ Hamburg, Inst Laser Phys, D-20355 Hamburg, Germany
关键词
D O I
10.1063/1.368876
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report continuous-wave (cw), quasi-cw and Q-switched laser oscillation of Yb3+,Tm3+-doped YLiF4 at 1.5 and 2.3 mu m. Maximum cw output powers of 300 mW at 1.5 mu m and 450 mW at 2.3 mu m have been obtained. Quasi-cw excitation revealed 20 mJ pulses at 1.5 mu m. The cw pumped 1.5 mu m laser was passively Q-switched using a U:CaF2 crystal as saturable absorber with a repetition rate of 65 kHz and a pulsewidth of 800 ns. An average output power of 19 mW was achieved. The dynamics of the system was simulated using a rate equation model. (C) 1998 American Institute of Physics. [S0021-8979(98)01323-1]
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页码:5900 / 5904
页数:5
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