小形变变形镜的设计及其在低像差脉冲压缩光栅中的应用

陈新荣; 李朝明; 王丹; 韦晓茹; 吴建宏

doi:10.3788/OPE.20162412.2993

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小形变变形镜的设计及其在低像差脉冲压缩光栅中的应用

高功率激光光学元器件 | 更新时间：2020-08-13

- 小形变变形镜的设计及其在低像差脉冲压缩光栅中的应用
- Design of deformable mirror with small deformation and its application in pulse compression grating with low aberration
- 光学精密工程 2016年24卷第12期页码：2993-2999
- 作者机构：
  
  苏州大学物理与光电·能源学部与苏州纳米科技协同创新中心江苏省先进光学制造技术重点实验室教育部现代光学技术重点实验室, 江苏苏州 215006
- 作者简介：
  
  [ "陈新荣(1969-), 女, 湖南新化人, 副研究员, 1994于北京师范大学获得硕士学位, 主要从事衍射光学元件设计与制作技术方面的研究。E-mail:cxr@suda.edu.cn" ]
  李朝明(1975-), 男, 博士, 副研究员, 主要从事光学设计、光信息科学与技术的研究工作。E-mail:chaoming@suda.edu.cn LI Chao-ming, E-mail: chaoming@suda.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(60808013);国家自然科学基金资助项目(61178046);江苏省高校自然科学研究重大项目(11KJA140001)
- DOI：10.3788/OPE.20162412.2993
  中图分类号： O439;O436
- 收稿日期：2016-11-17，
  
  录用日期：2016-12-5，
  
  纸质出版日期：2016-12-25
- 稿件说明：
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陈新荣, 李朝明, 王丹, 等. 小形变变形镜的设计及其在低像差脉冲压缩光栅中的应用[J]. 光学精密工程, 2016,24(12):2993-2999.

Xin-rong CHEN, Chao-ming LI, Dan WANG, et al. Design of deformable mirror with small deformation and its application in pulse compression grating with low aberration[J]. Optics and precision engineering, 2016, 24(12): 2993-2999.
陈新荣, 李朝明, 王丹, 等. 小形变变形镜的设计及其在低像差脉冲压缩光栅中的应用[J]. 光学精密工程, 2016,24(12):2993-2999. DOI： 10.3788/OPE.20162412.2993.

Xin-rong CHEN, Chao-ming LI, Dan WANG, et al. Design of deformable mirror with small deformation and its application in pulse compression grating with low aberration[J]. Optics and precision engineering, 2016, 24(12): 2993-2999. DOI： 10.3788/OPE.20162412.2993.

摘要

考虑激光脉冲啁啾放大与压缩技术要求脉冲压缩光栅有较低的像差，设计并制作了一个小形变变形镜来补偿大口径光栅基板加工残余的亚微米级静态像差对光栅波像差的影响。该变形镜有效口径为80 mm、厚度为5 mm，包含19个分立式压电促动器。采用干涉仪测量得到各个促动器的响应函数，构建了变形镜的刚度矩阵；采用最小二乘法求解出获得目标面形时各个促动器上所需施加的控制电压；通过整体优化和局部优化的结合，使变形镜的目标面形得到了有效控制。应用该变形镜构建了主动式全息光学记录系统，并选用具有较大像差的基板开展了光栅像差补偿实验。实验显示，对残余像差为~0.93λ的基板，采用变形镜后制作出了残余波面PV可达0.14λ（@633 nm）的脉冲压缩光栅，验证了小形变变形镜在光栅基底像差补偿上的有效性。

Abstract

To realize the low aberration of pulse compression gratings (PCGs) applied in chirped pulse amplification and compression

a Deformable Mirror (DM) with small deformation was designed and fabricated to compensate the sub-micron static wavefront aberration induced by a large diameter grating substrate. The DM contains 19 piezoelectric actuators and its effective diameter is 80 mm and thickness is 5mm. The response function of each actuator was measured with an interferometer to construct the stiffness matrix of the DM. The least square was used to resolve the control voltage required of each actuator to obtain the target surface. By combination of the global optimization and local optimization

the target surface of the DM was controlled effectively. Finally

the DM was used to construct an active holographic optical recording system and a substrate with bigger aberration was selected to perform the compensation experiment for the grating. The experimental results show that:for about 0.93λ aberration of grating substrate

the PV of residual wave-front aberration of the PCG is near to 0.14λ (@633 nm) after employing the DM. It demonstrates that the DM can be effectively applied in the fabrication of low aberration PCGs.

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references

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