High-gain Ho:YLF sub-nanosecond system seeded by a gain-switched laser diode

被引：0

作者：

Li, Junhui ^{[1
]}

Yao, Baoquan ^{[1
]}

Tang, Jinwen ^{[1
]}

Wei, Disheng ^{[1
]}

Cheng, Wenhao ^{[1
]}

Zhang, Runming ^{[1
]}

Duan, Xiaoming ^{[1
]}

Dai, Tongyv ^{[1
]}

Ju, Youlun ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Laser Spatial Informat, Harbin 15001, Peoples R China

来源：

APPLIED OPTICS | 2024年 / 63卷 / 22期

关键词：

CHIRPED-PULSE-AMPLIFIER; 2; MU-M; KHZ; ULTRAFAST; MJ;

D O I：

10.1364/AO.531042

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a high-gain Ho:YLF sub-nanosecond laser system utilizing a gain-switched laser diode as the seed source. The 1.0 kHz pJ-level seed from the gain-switched laser diode is first amplified to 1.1 mJ by a Ho-doped fiber preamplifier with a gain of 30 dB and a regenerative amplifier (RA) with a gain of 60 dB. By adding a single- pass amplifier, the pulse energy is further extended to 7.5 mJ. A pulse duration of 518.5 ps was achieved, which is symmetrical with no tail or sub-peaks. The root mean square (RMS) stability of the output energy of the entire system over a 0.5 h period is 2.11%. This method provides a reliable and simple way to directly obtain high-energy 2.05 mu m sub-nanosecond lasers. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

引用

页码：6021 / 6025

页数：5

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