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题名:
A way for measuring the relationship between DM surface and wave-front aberrations in a beam rotate-90° laser system
作者: Yang, Ping1,2; Ao, Ming-Wu1,2; Wang, Shuai1,2; Dong, Lizhi1,2; Tan, Yi1,2,3
出版日期: 2015
会议名称: Proceedings of SPIE - The International Society for Optical Engineering
会议日期: 2015
学科分类: Aberrations - Adaptive optics - Deformation - Expansion - Inertial confinement fusion - Mirrors - Pulsed lasers - Units of measurement - Wavefronts
DOI: 10.1117/12.2184781
通讯作者: Yang, Ping
中文摘要: Adaptive optics (AO) schemes are often applied to the inertial confinement fusion (ICF) system, such as SG-III Prototype which has been set in China. This laser systm mainly includes a pulsed seed laser source, a multi-pass laser amplifier with the configuration of beam rotate-90° and expansion. When AO system is employed in this sytem, the beam bounces twice on the deformable mirror (DM) which works as the cavity mirror (CM) of the multi-pass laser amplifier, moreover, after the first bounce on the DM, the beam rotate 90° and expansion with a ratio. Therefore, the relationship between the DM's correction stroke and the aberrations within the laser sytem must be known before applying a adaptive correction. This paper demonstrates that any output wave-front aberrations within the DM's correction stroke range can be well corrected, as well as illuminates that the expansion ratio of beam and the types of output wave-front aberrations both affect the correction stroke range of DM. Furthermore, through building a theoretical calculating model and some simulation. the relationship between the DM's surface stroke needed and different aberrations within the laser sytem is ascertained clearly. Results show that this configuration is proper for compensting most low order aberrtions besides some special ones. As a result, it will provides a useful guidance for those rotate-90° laser systems adopting adaptive optics technique. © 2015 Copyright SPIE.
英文摘要: Adaptive optics (AO) schemes are often applied to the inertial confinement fusion (ICF) system, such as SG-III Prototype which has been set in China. This laser systm mainly includes a pulsed seed laser source, a multi-pass laser amplifier with the configuration of beam rotate-90° and expansion. When AO system is employed in this sytem, the beam bounces twice on the deformable mirror (DM) which works as the cavity mirror (CM) of the multi-pass laser amplifier, moreover, after the first bounce on the DM, the beam rotate 90° and expansion with a ratio. Therefore, the relationship between the DM's correction stroke and the aberrations within the laser sytem must be known before applying a adaptive correction. This paper demonstrates that any output wave-front aberrations within the DM's correction stroke range can be well corrected, as well as illuminates that the expansion ratio of beam and the types of output wave-front aberrations both affect the correction stroke range of DM. Furthermore, through building a theoretical calculating model and some simulation. the relationship between the DM's surface stroke needed and different aberrations within the laser sytem is ascertained clearly. Results show that this configuration is proper for compensting most low order aberrtions besides some special ones. As a result, it will provides a useful guidance for those rotate-90° laser systems adopting adaptive optics technique. © 2015 Copyright SPIE.
收录类别: SCI ; Ei
语种: 英语
卷号: 9526
ISSN号: 0277-786X
文章类型: 会议论文
页码: 95260C
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7832
Appears in Collections:自适应光学技术研究室(八室)_会议论文

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作者单位: 1. Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, China
2. Key Laboratory of Adaptive Optics, Chinese Academy of Sciences, Chengdu, China
3. University of Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Yang, Ping,Ao, Ming-Wu,Wang, Shuai,et al. A way for measuring the relationship between DM surface and wave-front aberrations in a beam rotate-90° laser system[C]. 见:Proceedings of SPIE - The International Society for Optical Engineering. 2015.
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