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组合变形镜对板条固体MOPA激光波前畸变校正

Phase aberration correcting of a slab MOPA solid state laser with combined deformable mirrors

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摘要

提出了一种利用组合变形镜校正板条MOPA固体激光器像差的方法,并通过实验验证其有效性.通过将一个11单元的一维变形镜和一个67单元的二维变形镜组合,有效降低了单个二维变形镜波前校正过程中驱动器间的电压差,从而提高了二维变形镜的使用安全性,并在一定程度上改善了校正后波前畸变的空间分布,降低了波前畸变残差.实验结果表明,一维变形镜与二维变形镜的组合能高效地校正板条MOPA固体激光器的波前畸变,波前残差均方根值小于0.08 μm,远场光束质量因子可达1.67.

Abstract

A novel phase aberration correcting method based on combined deformable mirrors(DMs) in a slab master oscillator and power amplifier solid state laser system is proposed and validated experimentally.The adaptive optics(AO) system with combined deformable mirrors composed of a one-dimension(1D) DM with 11 actuators and a two-dimensional(2D) DM with 67 valid actuators,has been designed to correct the phase aberrations,which doesn’t need the high voltage drivers and has an excellent correcting efficiency of the high order phase aberrations.The experimental results show that the wave front of the slab laser beam is compensated well and the root mean square(RMS) of the residual wave front is less than 0.08 μm.The beam quality of the slab laser in the far field is improved to 1.67.

广告组1.2 - 空间光调制器+DMD
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中图分类号:O439

DOI:10.11884/hplpb201527.071009

所属栏目:高功率激光与光学

基金项目:Supported by the Key Laboratory of Science and Technology on High Energy Laser(CAEP)

收稿日期:2015-03-12

修改稿日期:2015-04-03

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向汝建:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900
杜应磊:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900
徐宏来:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900
李国会:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900
吴晶:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900
张凯:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900中国工程物理研究院 高能激光科学与技术重点实验室, 四川 绵阳 621900

联系人作者:Xiang Rujian(xiangrujiancaep@126.com)

备注:Xiang Rujian(1975-),male,PhD candidate,engaged in laser beam control.

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引用该论文

Xiang Rujian,Du Yinglei,Xu Honglai,Li Guohui,Wu Jing,Zhang Kai. Phase aberration correcting of a slab MOPA solid state laser with combined deformable mirrors[J]. High Power Laser and Particle Beams, 2015, 27(7): 071009

向汝建,杜应磊,徐宏来,李国会,吴晶,张凯. 组合变形镜对板条固体MOPA激光波前畸变校正[J]. 强激光与粒子束, 2015, 27(7): 071009

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