空间引力波望远镜和激光干涉仪接口：摆镜结构关键技术研究

Research on Structure Stability of swing micro-mirror, and given the detailed design plan. First of all, Established on solving methods that Wavefront distortion and angular deviation difference; Secondly, based on the multi-objective optimization algorithm design method to designed on super-stable structure of swing micro-mirror that meet the requirement of gravitational wave detection; Thirdly, the structural stability of the swing micro-mirror is studied by the work condition of the swing micro-mirror; Finally, an experimental verification system is established to test the prototype model. This project will provide technical support for the development of China's space gravitational wave project. With this research, it will enhance the supporting capability of Chinese independent research of gravitational wave detection.

以空间引力波望远镜接口摆镜系统结构稳定性为研究对象，设计出摆镜超稳结构方案，使摆镜结构稳定性满足引力波探测要求。本项目首先通过建立波前畸变和角稳定性求解方法，为后续摆镜超稳结构设计提供支持；其次，基于多目标优化算法对摆镜超稳结构设计与优化，设计出满足引力波探测要求的超稳结构方案；再次，通过摆镜工况研究摆镜结构稳定性和摆镜机构运动特性；最后，在实验室搭建一套简化的实验验证系统，用于以上部分内容的实验验证。本项目的研究为中国全面进行空间引力波望远镜研制提供技术积累，通过该项研究为我国自主发展中国的引力波探测科学仪器增强配套能力。

以空间引力波望远镜接口摆镜系统结构稳定性为研究对象，设计出摆镜超稳结构方案，使摆镜结构稳定性满足引力波探测要求。设计出的引力波探测要求的超稳结构方案中在0.1℃恒温条件下，其镜面角稳定性小于摆镜机构的有效值谱密度小于5nrad/√Hz，可以满足优于10nrad/√Hz的设计要求；同时力学特性也满足航天常规要求。并研制出一套空间引力波望远镜接口摆镜系统结构原型装置，并对其性能进行了相关测试。本项目的研究为中国全面进行空间引力波望远镜研制提供技术积累，通过该项研究为我国自主发展中国的引力波探测科学仪器增强配套能力。