A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

doi:10.1088/1674-1056/ab9441

中国物理B ›› 2020, Vol. 29 ›› Issue (8): 84204-084204.doi: 10.1088/1674-1056/ab9441

• SPECIAL TOPIC—Ultracold atom and its application in precision measurement • 上一篇下一篇

A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

Shuai Huang(黄帅), Qing Wang(王庆), Meng Zhang(张濛), Chaoyong Chen(陈朝勇), Kaixin Wang(王凯鑫), Mingwei Gao(高明伟), Chunqing Gao(高春清)

1 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;
2 Key Laboratory of Information Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing 100081, China

收稿日期:2020-03-08 修回日期:2020-04-16 出版日期:2020-08-05 发布日期:2020-08-05
通讯作者: Qing Wang E-mail:qingwang@bit.edu.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB0405203) and the National Natural Science Foundation of China (Grant No. 61627821).

A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

Shuai Huang(黄帅)^1,2, Qing Wang(王庆)^1,2, Meng Zhang(张濛)^1,2, Chaoyong Chen(陈朝勇)^1,2, Kaixin Wang(王凯鑫)^1,2, Mingwei Gao(高明伟)^1,2, Chunqing Gao(高春清)^1,2

1 School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;
2 Key Laboratory of Information Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing 100081, China

Received:2020-03-08 Revised:2020-04-16 Online:2020-08-05 Published:2020-08-05
Contact: Qing Wang E-mail:qingwang@bit.edu.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB0405203) and the National Natural Science Foundation of China (Grant No. 61627821).

摘要/Abstract

摘要： A novel Er:YAG laser system operating at 1645 nm with high pulse-repetition-frequency (PRF) of kHz level is demonstrated. A ring cavity with double gain medium end-pumped by two fiber lasers is utilized to obtain high pulse energy. A novel ‘triple-reflection’ configuration on a piezoelectric actuator (PZT) is adopted to achieve high-repetition-rate at 3-kHz operation with the ramp-fire locking method. Single frequency pulses with maximum average power of 18.3 W at 3 kHz are obtained, and the pulse duration time is 318 ns. The full line width at half maximum (FWHM) of the pulses measured by the heterodyne technique is 1.71 MHz at 3 kHz. To the best of our knowledge, this is the highest PRF single-frequency laser pulses achieved based Er:YAG gain medium.

关键词: Er:YAG, injection-seeded, single-frequency, high pulse-repetition-frequency

Abstract: A novel Er:YAG laser system operating at 1645 nm with high pulse-repetition-frequency (PRF) of kHz level is demonstrated. A ring cavity with double gain medium end-pumped by two fiber lasers is utilized to obtain high pulse energy. A novel ‘triple-reflection’ configuration on a piezoelectric actuator (PZT) is adopted to achieve high-repetition-rate at 3-kHz operation with the ramp-fire locking method. Single frequency pulses with maximum average power of 18.3 W at 3 kHz are obtained, and the pulse duration time is 318 ns. The full line width at half maximum (FWHM) of the pulses measured by the heterodyne technique is 1.71 MHz at 3 kHz. To the best of our knowledge, this is the highest PRF single-frequency laser pulses achieved based Er:YAG gain medium.

Key words: Er:YAG, injection-seeded, single-frequency, high pulse-repetition-frequency

中图分类号: (Diode-pumped lasers)

42.55.Xi

42.60.Gd (Q-switching) 42.60.By (Design of specific laser systems)

黄帅, 王庆, 张濛, 陈朝勇, 王凯鑫, 高明伟, 高春清. A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator[J]. 中国物理B, 2020, 29(8): 84204-084204.

Shuai Huang(黄帅), Qing Wang(王庆), Meng Zhang(张濛), Chaoyong Chen(陈朝勇), Kaixin Wang(王凯鑫), Mingwei Gao(高明伟), Chunqing Gao(高春清). A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator[J]. Chin. Phys. B, 2020, 29(8): 84204-084204.

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A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

A 3-kHz Er: YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

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