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The laser performance of a novel disordered Yb:CTGG crystal

机译：新型无序Yb：CTGG晶体的激光性能

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摘要

The diode-end-pumped passively Q-switched and Q-switched mode-locked Yb:Ca_(2.85)Ta_(1.80)Ga_(3.10)O_(12) (CTGG) lasers with V~(3+):YAG as the saturable absorber have been demonstrated. In the Q-switched regime, an average output power of 1.6 W was obtained under the absorbed pump power of 8.6 W. The shortest pulse width was 36.8 ns with a pulse repetition rate of 30 kHz, corresponding to a single pulse energy of 53 μJ and a peak power of 1.44 kW, respectively. Moreover, smooth shifts observed in output wavelength from 1034.4 to 1039.3 nm with the increased absorbed pump power were attributed to the thermal effects. For the Q-switched mode-locking operation, the average output power of 638 mW was obtained with a pulse repetition rate of 38 MHz.
机译：二极管端泵浦的无源Q开关和Q开关锁模Yb：Ca_（2.85）Ta_（1.80）Ga_（3.10）O_（12）（CTGG）激光器，其中V〜（3 +）：YAG为已经证明了饱和吸收剂。在调Q态下，在8.6W的吸收泵浦功率下获得1.6W的平均输出功率。最短脉冲宽度为36.8ns，脉冲重复频率为30kHz，对应于53μJ的单脉冲能量峰值功率分别为1.44 kW和此外，随着吸收泵浦功率的增加，在输出波长从1034.4 nm到1039.3 nm处观察到的平滑位移归因于热效应。对于Q开关锁模操作，以38 MHz的脉冲重复频率获得638 mW的平均输出功率。

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