Wentao Zhu, Huijun He, Jun Yu, Qingdian Lin, Xiaoyang Guo, Cangtao Zhou, Shuangchen Ruan. [J]. Laser & Optoelectronics Progress, 2021, 58(17): 1736001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 17, 1736001 (2021)
Fig. 1. Conceptual design of Yb∶YAG rod amplifier and nonlinear-compression-based TW laser system
Fig. 2. Experimental setup
Fig. 3. Output energy as a function of absorbed pump energy for free running (inset: near-field beam profile with 225 mJ absorbed pump energy and 1.5 ms pump pulse width)
Fig. 4. Results. (a) Round-trip time and output energy with 1.5 ms pump pulse width at 10 Hz; (b) intracavity pulse-amplification evolution
Fig. 5. Pulse waveform. (a) Temporal pulse shape of regenerated output; (b) input seed spectrum, Q-switched spectrum, and amplified-pulse spectrum
Fig. 6. Results. (a) M2 factor of output laser beam (inset: far-field beam profile); (b) 2 h output-energy stability test result
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