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可见光/近红外波段多波长皮秒激光研究

Multi-wavelength picosecond laser in visible and near-infrared bands

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摘要

针对多波长皮秒激光覆盖谱段较窄、近红外波段激光较难生成等问题, 基于受激拉曼散射效应, 构建了一套实验系统, 采用重频1 kHz、波长532 nm皮秒激光泵浦KGd(WO4)2晶体, 运用聚焦激光束泵浦、泵浦能量优化耦合等方法, 实现了可见光、近红外波段多波长皮秒激光的生成, 生成七阶斯托克斯光和六阶反斯托克斯光, 覆盖谱段415~800 nm, 输出总功率达到1.76 W.该研究成果可应用于新型皮秒激光源的研发方面.

Abstract

To solve the problems of narrow coverage spectrum and difficulty of generation of near-infrared band laser, an experiment al system is developed for multi-wavelength picosecond laser based on stimulated Raman scattering effects. Generation of visible and near-infrared band multi-wavelength picosecond laser is facilitated with methods such as focusing laser beam pump and laser pump energy optimizing and coupling, using 1 kHz repetition frequency and 532 nm wavelength picosecond laser source pump KGd (WO4)2 crystal. The seventh order stokes and sixth order anti-stokes lasers generated cover the spectrum of 415~800 nm with an output Raman laser power of 1.76W. Results of the study can be used in the research and development of new picosecond laser sources.

补充资料

中图分类号:TN248。1

DOI:

基金项目:国防预研项目(ZS20141407A12001)

收稿日期:2017-12-19

修改稿日期:2018-04-12

网络出版日期:--

作者单位    点击查看

康文运:北京跟踪与通信技术研究所, 北京 100094
宋小全:北京跟踪与通信技术研究所, 北京 100094
范东启:北京跟踪与通信技术研究所, 北京 100094

联系人作者:康文运(cts_kangwenyun@sina.com)

备注:康文运(1965-), 男, 硕士, 高级工程师, 主要从事光电技术研究. E-mail: cts_kangwenyun@sina.com

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引用该论文

KANG Wen-Yun,SONG Xiao-Quan,FAN Dong-Qi. Multi-wavelength picosecond laser in visible and near-infrared bands[J]. Journal of Infrared and Millimeter Waves, 2018, 37(4): 433-437

康文运,宋小全,范东启。 可见光/近红外波段多波长皮秒激光研究[J]。 红外与毫米波学报, 2018, 37(4): 433-437

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