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LD侧面抽运Nd∶YVO4 532 nm准连续绿光激光器

LD Side-Pumped Nd∶YVO4 532 nm Quasi-Continuous Green Laser

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摘要

报道了LD侧面抽运Nd∶YVO4 532 nm准连续绿光激光器。为了获得高功率的532 nm绿光输出,通过采用声光调Q技术和LD侧面抽运Nd∶YVO4技术来获得高功率线偏振的1064 nm激光输出。采用Ⅰ类相位匹配三硼酸锂(LBO)晶体腔内倍频,实现高功率532 nm激光输出。在电源输出电流为30 A、声光调Q的调制频率为20 kHz的工作条件下,获得平均输出功率为33 W的线偏振1064 nm基频光,通过LBO晶体倍频获得平均输出功率为23.5 W的532 nm绿光。1064 nm基频光到532 nm绿光的光-光转换效率达71.2%,脉冲宽度为44.3 ns,偏振比为254∶1。

Abstract

The LD side-pumped Nd∶YVO4 532 nm quasi-continuous green laser is reported. The acousto-optic Q-switched operation and the laser diode side-pumped Nd∶YVO4 laser are used to get high-power linearly polarized 1064 nm laser output. High-power 532 nm green laser output is achieved by typeⅠphase-matched LiB3O5 (LBO) as second harmonic generation crystal. An average output power of 23.5 W at 532 nm is obtained under the condition of input current of 30 A, the repetition rate of 20 kHz and the 1064 nm fundamental wave of 33 W. The optical-optical conversion efficiency is up to 71.2%. The pulse width is 44.3 ns and the polarization ratio is 254∶1.

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中图分类号:TN248.1

DOI:10.3788/lop54.041402

所属栏目:激光器与激光光学

基金项目:科技部科技型中小企业技术创新基金(C262100678)、辽宁省科技计划项目(2014220040)、 沈阳市科技计划项目(F16-210-6-00)

收稿日期:2016-12-02

修改稿日期:2016-12-09

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崔建丰:鞍山紫玉激光科技有限公司, 辽宁 鞍山 114000沈阳理工大学理学院, 辽宁 沈阳 110159
王迪:鞍山紫玉激光科技有限公司, 辽宁 鞍山 114000
张亚男:鞍山紫玉激光科技有限公司, 辽宁 鞍山 114000
高涛:鞍山紫玉激光科技有限公司, 辽宁 鞍山 114000
岱钦:沈阳理工大学理学院, 辽宁 沈阳 110159
姚俊:沈阳理工大学理学院, 辽宁 沈阳 110159

联系人作者:崔建丰(cuijf@163.com)

备注:崔建丰(1977-),男,博士,高级工程师,主要从事高功率、大能量固体激光器及变频技术、皮秒激光器、亚纳秒激光器及激光加工系统等方面的研究。

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引用该论文

Cui Jianfeng,Wang Di,Zhang Ya′nan,Gao Tao,Dai Qin,Yao Jun. LD Side-Pumped Nd∶YVO4 532 nm Quasi-Continuous Green Laser[J]. Laser & Optoelectronics Progress, 2017, 54(4): 041402

崔建丰,王迪,张亚男,高涛,岱钦,姚俊. LD侧面抽运Nd∶YVO4 532 nm准连续绿光激光器[J]. 激光与光电子学进展, 2017, 54(4): 041402

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