2026-10-13T04:50:16Z https://www.scidb.cn/oai

10.57760/sciencedb.07851 2023-03-30T09:08:20Z

2023-03-30 A double-ended pump thin-rod Yb: YAG regenerative amplifier with high average power and excellent beam quality doi:10.57760/sciencedb.07851 en A laser diode double-ended pump Yb: YAG regenerative amplifier has been developed. Immersion water-cooling method and thin-rod crystals greatly improve cooling capacity. In addition, double-ended pumping method and optimized cavity design significantly reduce the thermal effects. Due to thermal effects were largely decreased, high average output power of 37 W was achieved with high power stability（RMS=0.56%）at pulse repetition rate of 400 kHz with 1.23 PS pulse width using chirped pulse amplification (CPA) systems and the output beam quality was excellent with a M2 value of <1.075. A low-cost, highly compact solution for high-power ultrafast laser systems has been obtained. Yb: YAG regenerative amplifier; High average power; High beam quality; Double-ended pump; Ultrafast laser Luo Guangxin Liu Yinfei Song Jiajun Peng Yujie Leng Yuxin PUBLIC https://creativecommons.org/publicdomain/zero/1.0/ dataset Science Data Bank