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

Shuai Huang; Qing Wang; Meng Zhang; Chaoyong Chen; Kaixin Wang; Mingwei Gao; Chunqing Gao

doi:10.1088/1674-1056/ab9441

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

Shuai Huang, Qing Wang^*, Meng Zhang, Chaoyong Chen, Kaixin Wang, Mingwei Gao, Chunqing Gao

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

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.

Original language	English
Article number	084204
Journal	Chinese Physics B
Volume	29
Issue number	8
DOIs	https://doi.org/10.1088/1674-1056/ab9441
Publication status	Published - Aug 2020

Keywords

Er:YAG
high pulse-repetition-frequency
injection-seeded
single-frequency

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10.1088/1674-1056/ab9441

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Huang, S., Wang, Q., Zhang, M., Chen, C., Wang, K., Gao, M., & Gao, C. (2020). A 3-kHz Er:YAG single-frequency laser with a 'triple-reflection' configuration on a piezoelectric actuator. Chinese Physics B, 29(8), Article 084204. https://doi.org/10.1088/1674-1056/ab9441

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title = "A 3-kHz Er:YAG single-frequency laser with a 'triple-reflection' configuration on a piezoelectric actuator",

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.",

keywords = "Er:YAG, high pulse-repetition-frequency, injection-seeded, single-frequency",

author = "Shuai Huang and Qing Wang and Meng Zhang and Chaoyong Chen and Kaixin Wang and Mingwei Gao and Chunqing Gao",

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T1 - A 3-kHz Er:YAG single-frequency laser with a 'triple-reflection' configuration on a piezoelectric actuator

AU - Huang, Shuai

AU - Wang, Qing

AU - Zhang, Meng

AU - Chen, Chaoyong

AU - Wang, Kaixin

AU - Gao, Mingwei

AU - Gao, Chunqing

PY - 2020/8

Y1 - 2020/8

N2 - 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.

AB - 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.

KW - Er:YAG

KW - high pulse-repetition-frequency

KW - injection-seeded

KW - single-frequency

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SN - 1674-1056

VL - 29

JO - Chinese Physics B

JF - Chinese Physics B

IS - 8

M1 - 084204

ER -

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

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Keywords

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