A 33.2 W High Beam Quality Chirped-Pulse Amplification-Based Femtosecond Laser for Industrial Processing

被引：9

作者：

Bai, Zhenao ^{[1
,2
,3
,4
]}

Bai, Zhenxu ^{[5
,6
]}

Sun, Xiaolong ^{[4
]}

Liang, Yong ^{[4
]}

Wang, Kun ^{[7
]}

Jin, Duo ^{[5
]}

Fan, Zhongwei ^{[1
,2
,3
,8
]}

机构：

[1] Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100094, Peoples R China

[2] Beijing GK Laser Technol Co Ltd, Beijing 102206, Peoples R China

[3] Natl Engn Res Ctr DPSSL, Beijing 100094, Peoples R China

[4] Hangzhou Yacto Technol Ltd, Hangzhou 311300, Peoples R China

[5] Hebei Univ Technol, Ctr Adv Laser Technol, Tianjin 300401, Peoples R China

[6] Macquarie Univ, Dept Phys & Astron, MQ Photon Res Ctr, Sydney, NSW 2109, Australia

[7] Hebei Univ Technol, Sch Energy & Environm Engn, Tianjin 300401, Peoples R China

[8] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

MATERIALS | 2020年 / 13卷 / 12期

基金：

中国国家自然科学基金;

关键词：

femtosecond; photonic crystal fiber; chirped pulse amplification; laser processing; AVERAGE POWER; ABLATION; PICOSECOND; SYSTEM;

D O I：

10.3390/ma13122841

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A photonic crystal fiber-based chirped pulse amplification delivering 272 fs pulses of 66.4 mu J energy at a repetition rate of 500 kHz is presented, resulting in an average/peak power of 33.2 W/244 MW. A single grating is adopted for the pulse width stretching and compression, which leads to high-compactness and low cost of the system. The output beam is near-diffraction-limited (M-2= 1.1 +/- 0.05) with a power stability better than 0.5%. The cutting of alumina ceramic substrate and flexible printed circuit are demonstrated by using the laser system. The results indicate that the laser is competent for industrial applications.

引用

页码：1 / 7

页数：7

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