The Research on the Micro Processing Used All-Solid-State Picosecond Laser

被引：4
作者：
Bai Zhen-xu [1 ]
Ai Qing-kang [1 ]
Duan Jin-peng [1 ]
Chen Meng [1 ]
Li Gang [1 ]
机构：
[1] Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
来源：
FOURTH INTERNATIONAL CONFERENCE ON DIGITAL IMAGE PROCESSING (ICDIP 2012) | 2012年 / 8334卷
关键词：
laser technique; all-solid-state; picosecond pulse; regenerative amplification; micro processing; PASSIVE-MODE LOCKING;
D O I：
10.1117/12.946044
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A micro processing used LD end-pumped Nd:YVO4 all solid-state picosecond pulse laser was demonstrated under the semiconductor saturable absorption mirror(SESAM) mode-locking technology and regeneration amplifier technology, by using BBO crystal as electro-optic crystal and diode-side-pumped Nd:YAG. 1064nm laser was obtained with 1.47mJ single pulse energy, 15ps pulse width at 1 kHz repetition rate and the pulse energy fluctuation was less than 0.6% in 3 hours operation. Finally, through the galvanometric we got the beam focused, realizing the steel plate processing which thickness was 0.5mm and the aperture radius was 25.5 mu m.
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页数：5
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