All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier

doi:10.1088/1674-1056/ac11d3

中国物理B ›› 2021, Vol. 30 ›› Issue (9): 94206-094206.doi: 10.1088/1674-1056/ac11d3

All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier

Renchong Lv(吕仁冲)^1,2, Hao Teng(滕浩)^2,3,4,†, Jiajun Song(宋贾俊)^2,3, Renzhu Kang(康仁铸)^1,2, Jiangfeng Zhu(朱江峰)^1,‡, and Zhiyi Wei(魏志义)^2,3,4,§

1 School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China;
2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
3 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;
4 Songshan Lake Materials Laboratory, Dongguan 523808, China

收稿日期:2021-05-27 修回日期:2021-06-25 接受日期:2021-07-07 出版日期:2021-08-19 发布日期:2021-08-19
通讯作者: Hao Teng, Jiangfeng Zhu, Zhiyi Wei E-mail:hteng@iphy.ac.cn;jfzhu@xidian.edu.cn;jfzhu@xidian.edu.cn
基金资助:
Project supported by Major Program of the National Natural Science Foundation of China (Grant No. 12034020), the National Natural Science Foundation of China (Grant No. 61805274), the National Key R&D Program of China (Grant No. 2018YFB1107201), and the Synergic Extreme Condition User Facility.

All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier

Renchong Lv(吕仁冲)^1,2, Hao Teng(滕浩)^2,3,4,†, Jiajun Song(宋贾俊)^2,3, Renzhu Kang(康仁铸)^1,2, Jiangfeng Zhu(朱江峰)^1,‡, and Zhiyi Wei(魏志义)^2,3,4,§

1 School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China;
2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
3 School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China;
4 Songshan Lake Materials Laboratory, Dongguan 523808, China

Received:2021-05-27 Revised:2021-06-25 Accepted:2021-07-07 Online:2021-08-19 Published:2021-08-19
Contact: Hao Teng, Jiangfeng Zhu, Zhiyi Wei E-mail:hteng@iphy.ac.cn;jfzhu@xidian.edu.cn;jfzhu@xidian.edu.cn
Supported by:
Project supported by Major Program of the National Natural Science Foundation of China (Grant No. 12034020), the National Natural Science Foundation of China (Grant No. 61805274), the National Key R&D Program of China (Grant No. 2018YFB1107201), and the Synergic Extreme Condition User Facility.

摘要/Abstract

摘要： A high efficiency compact Yb:KGW regenerative amplifier using an all-fiber laser seed source was comprehensively studied. With thermal lensing effect compensated by the cavity design, the compressed pulses with energy of 1 mJ at 1 kHz and 0.4 mJ at 10 kHz in sub-400-fs pulse duration using chirped fiber Bragg grating (CFBG) stretcher were demonstrated. A modified Frantz-Nodvik equation was developed to emulate the dynamic behavior of the regenerative amplifier. The simulation results were in good agreement with the experiment. Numerical simulations and experimental results show that the scheme can be scalable to higher energy of multi-mJ, sub-300 fs pulses.

关键词: regenerative amplifier, ultrafast laser, hybrid laser amplifier

Abstract: A high efficiency compact Yb:KGW regenerative amplifier using an all-fiber laser seed source was comprehensively studied. With thermal lensing effect compensated by the cavity design, the compressed pulses with energy of 1 mJ at 1 kHz and 0.4 mJ at 10 kHz in sub-400-fs pulse duration using chirped fiber Bragg grating (CFBG) stretcher were demonstrated. A modified Frantz-Nodvik equation was developed to emulate the dynamic behavior of the regenerative amplifier. The simulation results were in good agreement with the experiment. Numerical simulations and experimental results show that the scheme can be scalable to higher energy of multi-mJ, sub-300 fs pulses.

Key words: regenerative amplifier, ultrafast laser, hybrid laser amplifier

中图分类号: (Diode-pumped lasers)

42.55.Xi

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)

Renchong Lv(吕仁冲), Hao Teng(滕浩), Jiajun Song(宋贾俊), Renzhu Kang(康仁铸), Jiangfeng Zhu(朱江峰), and Zhiyi Wei(魏志义). All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier[J]. 中国物理B, 2021, 30(9): 94206-094206.

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All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier

All-fiber laser seeded femtosecond Yb:KGW solid state regenerative amplifier

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