强激光与粒子束2017，Vol.29Issue(8)：15-20,6.DOI:10.11884/HPLPB201729.170067
水冷式离焦变形镜技术研究
Water-cooled defocus-correction deformable mirror
摘要
Abstract
In order to correct the defocus aberration in the thin-disk laser resonant cavity, a special water-cooled deformable mirror named as defocus-correction deformable mirror was designed and manufactured.The defocus-correction deformable mirror has 5 piezoelectric ceramic actuators, one located in the center of the round mirror surface and the other four arranged symmetrically on the mirror''s circular periphery.The simulation of relationship between mirror thickness and surface deformation was carried out to gain the best defocus-correction result.Testing results show that, the deformable mirror, with optical surface quality better than 034 μm PV, has extremely large stroke up to ±16 μm.In the wavefront correction experiments of thin-disk laser systems, the optical quality (β factor) of laser was improved from 19.5 to 6.5, which gives the vivid proof of the capability and effect of the defocus-correction deformable mirror.关键词
非稳腔/变形镜/压电陶瓷/光束质量Key words
unstable resonator/deformable mirror/piezoelectric ceramic/beam quality分类
信息技术与安全科学引用本文复制引用
李国会,向汝建,吴晶,欧龙,徐宏来..水冷式离焦变形镜技术研究[J].强激光与粒子束,2017,29(8):15-20,6.基金项目
中国工程物理研究院高能激光科学与技术重点实验室基金项目 （）
