全固态医用窄线宽皮秒激光器研究  

Research on all-solid-state medical narrow-linewidth picosecond laser

作　　者：郑鹏飞 李永亮[1] 常浩天 杨超 ZHENG Pengfei;LI Yongliang;CHANG Haotian;YANG Chao(School of Optoelectronic Engineering,Changchun University of Science and Technology,Changchun 130022,China)

机构地区：[1]长春理工大学光电工程学院,长春130022

出　　处：《激光杂志》2022年第5期1-4,共4页Laser Journal

基　　金：吉林省科技发展计划项目(No.20191102009YY);吉林省教育厅科学技术研究项目(No.JJKH20210818KJ)。

摘　　要：输出窄线宽、超短脉冲的全固态激光器在医疗美容、加工业领域的发展潜力巨大。本文开展了被动调Q微片激光器的研究。采用LD泵浦Nd:Ce:YAG、Cr:YAG微片键合晶体的方案。激光器输出脉冲的重复频率为10 Hz,脉冲宽度被压缩至503 ps,最大脉冲能量为197μJ,能量的均方值稳定性为3%,输出激光峰值波长为1064.53 nm,光谱线宽为0.06 nm。光束质量M2因子在x和y方向上分别为1.32和1.29。All-solid-state lasers with narrow linewidth and ultra-short pulses have great development potential in the fields of medical beauty and processing industries.In this article,the passive Q-switched microchip laser is studied.The scheme of LD pumping Nd:Ce:YAG and Cr:YAG microchip bonded crystals was adopted.The repetition frequency of the laser output pulse is 10 Hz,the pulse width is compressed to 503 ps,the maximum pulse energy is 197μJ,the energy mean square value stability is 3%,the output laser peak wavelength is 1064.53 nm,and the spectral linewidth is 0.06 nm.The beam quality M2factor is 1.32 and 1.29 in the x and y directions,respectively.

关 键 词：窄线宽 微片激光器 皮秒脉冲 全固态 

分 类 号：TN249[电子电信—物理电子学]