83.4 W, 17.69 kHz spectral bandwidth, continuous-wave, beam densely folded Innoslab amplifier
83.4 W, 17.69 kHz spectral bandwidth, continuous-wave, beam densely folded Innoslab amplifier
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83.4 W、17.69 kHz 光谱带宽、连续波、光束密集折叠 Innoslab 放大器
DOI：
10.1364/ol.42.001109
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发表时间：
2017-03-15
期刊：
影响因子：
3.6
通讯作者：
Wang, Ruihua
中科院分区：
文献类型：
--
作者：
Ning, Jian;Han, Kezhen;Wang, Ruihua
结合非平面环形振荡种子激光器窄带宽的优点和直接泵浦Innoslab放大器的结构，采用楔形多折叠结构将种子激光束密集折叠在Innoslab放大器中，获得了高效率、高功率的连续单频激光器。在234 W的泵浦功率下，单频放大器的最大输出功率为83.4 W，带宽为17.69 kHz，光-光转换效率为33.2%。在水平和垂直方向测得最大输出功率时的光束质量因子M-2分别为1.15和1.24。2 h的长期功率不稳定性小于1.63%。(C) 2017年美国光学学会。
Combined with the advantages of the narrow bandwidth of a non-planar ring oscillator seed laser and the structure of a direct pumped Innoslab amplifier, a high-efficiency and high-power continuous-wave (CW) single-frequency laser was obtained by densely folding the seed laser beam in an Innoslab amplifier with a wedged multi-folded configuration. A maximum output power of 83.4 W of a single-frequency amplifier with a bandwidth of 17.69 kHz was obtained under a pump power of 234 W, corresponding to an optical-to-optical conversion efficiency of 33.2%. The beam quality factor M-2 at the maximum output power in horizontal and vertical directions was measured to be 1.15 and 1.24, respectively. The long-term power instability in 2 h was less than 1.63%. (C) 2017 Optical Society of America.