High-Energy Injection-Seeded Single-Frequency Er:YAG Laser at 1645 nm Pumped by a 1532 nm Fiber Laser

被引：0

作者：

Wu, Jiaze ^{[1
]}

Ju, Youlun ^{[1
]}

Fan, Jiawei ^{[1
]}

Zhao, Yiming ^{[2
,3
]}

Yang, Kun ^{[4
,5
]}

Geng, Lijie ^{[4
]}

Cai, Yuanxue ^{[6
]}

Song, Lei ^{[7
]}

Zhuang, Yaming ^{[7
]}

Wu, Shuyun ^{[7
]}

Duan, Xiaoming ^{[1
,8
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Laser Spatial Informat, Harbin 150001, Peoples R China

[2] Beijing Res Inst Telemetry, Beijing 100001, Peoples R China

[3] Beijing Inst Technol, Adv Res Inst Multidisciplinary Sci, Beijing 100081, Peoples R China

[4] Zhengzhou Univ Light Ind, Henan Prov Optoelect Sensing & Informat Proc Engn, Sch Elect & Informat, Zhengzhou 450001, Peoples R China

[5] Zhongyuan Univ Technol, Sch Phys & Optoelect Engn, Zhengzhou 450007, Peoples R China

[6] Tianjin Univ Sci & Technol, Res Ctr Photon & Adv Sensing Technol, Tianjin 300457, Peoples R China

[7] Norla Inst Tech Phys, Chengdu 610041, Peoples R China

[8] Harbin Inst Technol, Zhengzhou Res Inst, Zhengzhou 450000, Peoples R China

来源：

PHOTONICS | 2024年 / 11卷 / 08期

关键词：

single-frequency laser; Er:YAG laser; seed-injection; NDYAG LASER; OPERATION;

D O I：

10.3390/photonics11080752

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A single-frequency, Q-switched Er:YAG laser, pumped by a 1532 nm fiber laser, has been demonstrated. At the pulse repetition frequency (PRF) of 200 Hz, the maximum single-frequency laser of 5.5 mJ is attained, and, correspondingly, the pulse width is 212 ns. Using the heterodyne technique, the single-frequency laser spectrum's full width at half maximum is determined to be 2.73 MHz. The experimental results show that the single-frequency laser has excellent beam quality factors (M-2) of 1.18 and 1.21.

引用

页数：8

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