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Cr2+∶ZnSe全固态中红外激光器

All solid state Mid-IR laser of Cr2+∶ZnSe

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摘要

建立了一种高质量、高效率全固态中红外激光系统,并对激光输出的效率、光束质量等指标进行了测试。首先,以二极管激光器为泵浦源,Tm3+∶YAP晶体为增益介质,搭建了输出波长为197 μm的近红外激光器。然后,以Tm3+∶YAP激光器为泵浦源,自行开发研制的Cr2+∶ZnSe单晶为增益介质,搭建了全固态中红外激光器。最后,测试了全固态中红外激光器的光束质量及激光器出光效率,并对谐振腔光效率的理论输出值与实际的激光器出光参数进行了对比。实验结果表明: 此全固态中红外激光器的光光转换效率为172%,斜率效率为20%,在最高输出能量为3 W时的光束质量(M2)在x和y方向分别为17和173,光束基本为圆形的高斯光斑。

Abstract

A kind of all solid state Mid-IR laser system with high quality and high efficiency is built. Firstly, we use diode laser as the pump source, Tm3+∶ YAP crystal as the gain medium, to build a NIR laser with the wavelength of 197 μm. Secondly, we use NIR laser as the pump source, a self-made Cr2+∶ZnSe single crystal as the gain medium, to build an all solid state Mid-IR laser. Finally, we test the quality and efficiency of output laser, and comparison of the theoretical output efficiency of the laser with the actual parameters is carried out. The experimental results show that light-light conversion efficiency of the all solid state Mid-IR laser is 172%; slope efficiency is 20%; the beam quality(M2) of the highest output at 3 W are respectively 17 and 173 in x and y direction; the Gaussian beam is circular.

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中图分类号:TN216

DOI:10.3788/co.20160905.0563

所属栏目:激光技术与应用

基金项目:科技部国际合作资助项目(No.2014DRR10420)

收稿日期:2016-04-29

修改稿日期:2016-06-10

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王云鹏:中国科学院 长春光学精密机械与物理研究所 发光学及应用国家重点实验室,吉林 长春 130033
王 飞:中国科学院 长春光学精密机械与物理研究所 发光学及应用国家重点实验室,吉林 长春 130033
赵东旭:中国科学院 长春光学精密机械与物理研究所 发光学及应用国家重点实验室,吉林 长春 130033

联系人作者:王云鹏(wangyunpeng@ciomp.ac.cn)

备注:王云鹏(1985—),男,吉林长春人,博士,助理研究员,主要从事红外激光开发研制及超快激光的研制及相关化学、生物超快动力学方面的研究。

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引用该论文

WANG Yun-peng,WANG Fei,ZHAO Dong-xu. All solid state Mid-IR laser of Cr2+∶ZnSe[J]. Chinese Optics, 2016, 9(5): 563-568

王云鹏,王 飞,赵东旭. Cr2+∶ZnSe全固态中红外激光器[J]. 中国光学, 2016, 9(5): 563-568

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