200 Hz repetition frequency joule-level high beam quality Nd:YAG nanosecond laser

被引：19
作者：
Qiu, Jisi [1 ]
Tang, Xiongxin [1 ]
Fan, Zhongwei [1 ]
Wang, Haocheng [1 ]
机构：
[1] Chinese Acad Sci, Acad Optoelect, Beijing 100094, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2016年 / 368卷
关键词：
Diode-pumped; High repetition; Nanosecond laser; SBS; High beam quality; HIGH-POWER; ENERGY;
D O I：
10.1016/j.optcom.2016.02.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A joule-level Nd:YAG nanosecond laser of high repetition frequency and high beam quality is developed out. The laser is designed as a MOPA system mainly including single longitudinal mode seed, pre-amplifier unit an d power amplifier unit. In order to obtain the high-quality laser beam output, phase conjugation is adopted to compensate the laser beam distortion. Under the condition of 200 Hz high repetition frequency and 8.19 tfi single pulse energy injected by the single longitudinal mode seed, 1.53 J output energy is gained. The output laser beam is of 9 mm diameter, 7.41 ns pulse width, the far field beam spot 1.32 times the value of the diffraction limit, 1.2% energy stability (RMS) and less than 13 rad far field beam spot angle shift. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：68 / 72
页数：5
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