Multi-Beam Large Fundamental Mode Neodymium Glass Regenerative Amplifier With Uniform Performance

In this study, the designing method of multi-beam regenerative amplifiers with the repetitive rate was proposed and demonstrated. To obtain multi-beam regenerative amplifiers with uniform performance, the disparities in output energy, energy stability, and mode size were analyzed, and the detailed o...

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Bibliographic Details
Published in:Frontiers in physics 2022-06, Vol.10
Main Authors: Gao, Song, Xie, Xudong, Tang, Jun, Fan, Chen, Fu, Xuejun, Chen, Zhifei, Yao, Ke
Format: Article
Language:English
Subjects:
diode-pumped
laser beam characterization
multi-beam uniformity
Nd:glass
regenerative amplifier
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Summary:In this study, the designing method of multi-beam regenerative amplifiers with the repetitive rate was proposed and demonstrated. To obtain multi-beam regenerative amplifiers with uniform performance, the disparities in output energy, energy stability, and mode size were analyzed, and the detailed optimizing method was presented. With the designs, eight-beam regenerative amplifiers were developed. The output performances of eight-beam regenerative amplifiers were uniform. The output energies were in the range of 25.4–28.8 mJ, and the energy stabilities over two hours were in the range of 2.4%–5.1% (PV) and 0.3%–0.9% (RMS).
ISSN:2296-424X
2296-424X
DOI:10.3389/fphy.2022.923402