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1 064 nm/532 nm双波长自由切换输出激光器

1 064 nm and 532 nm Dual-wavelength Switchable Solid State Laser

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摘要

以Nd:YAG晶体为研究对象, 采用二极管侧面泵浦方式, 应用电光调Q、多级放大、电控偏振态切换技术, 实现了1 064 nm/532 nm两种波长激光的自由切换输出, 得到单脉冲能量750 mJ的1 064 nm激光稳定输出, 当注入单脉冲能量230 mJ的1 064 nm激光时, 得到的532 nm波长激光的单脉冲能量可达106 mJ, 重复频率100 Hz, 转换效率可达46%, 且同轴输出指向稳定, 可用于星载、机载、舰载激光测距与照射、激光雷达和激光环境监测等领域。

Abstract

Dual-wavelength and multi-wavelength lasers have received considerable attention recently and have been used extensively in interference rain bow holograph, fine laser spectrum, differential absorption radar, multi-photon step ionization of atom and molecular, nonlinear frequency conversion and laser medicine fields. By using the Nd:YAG crystal while adopting the methods of laser diode (LD) side-pumped, electro-optical Q-switched, multistage amplifier and the technology of polarization controlled by electricity, the switchable output of dual-wavelength of 1 064 nm and 532 nm is acquired. The single pulse energy is 750 mJ at 1 064 nm, when 1 064 nm laser with 230 mJ single pulse energy is input, single pulse energy is 106 mJ at 532 nm, corresponding to the repetition frequency of 100 Hz and the conversion efficiency of 46%. The above laser can be applied to the fields of airborne, spaceborne, shipborne laser ranging and illumination, radar and the laser environmental monitoring as its feature of stable orientation.

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中图分类号:TN248.1

所属栏目:光电器件与材料

收稿日期:2015-11-09

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作者单位    点击查看

延新杰:北京东方锐镭科技有限公司, 北京 100015
李磊:北京东方锐镭科技有限公司, 北京 100015

备注:延新杰(1985-), 男, 山东聊城人, 工程师, 主要从事全固态激光器及激光频率变换技术研究.

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引用该论文

YAN Xin-jie,LI Lei. 1 064 nm and 532 nm Dual-wavelength Switchable Solid State Laser[J]. Electro-Optic Technology Application, 2015, 30(6): 37-39

延新杰,李磊. 1 064 nm/532 nm双波长自由切换输出激光器[J]. 光电技术应用, 2015, 30(6): 37-39

被引情况

【1】伍锡山,张 鹏,周博睿,刘 彬,严 阳. 多波长固体自拉曼激光器的激光晶体热破裂研究. 半导体光电, 2018, 39(6): 811-814

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