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Lightweight unimorph mirror using an optical replication method

机译：使用光学复制方法的轻型单晶镜

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摘要

Active optics technology eases the requirements for the fabrication and stability of mirrors. Optical replication techniques make it possible to fabricate a mirror of optical quality rapidly and inexpensively. Combining the advantages of these two methods, we designed a lightweight unimorph mirror with a diameter of 160 mm based on an Al-SiC passive layer. A finite element model was established to predict the performance of this mirror and to optimize relevant parameters. A spherical prototype mirror was fabricated and tested to measure its shape-correction capability, thermal stability, and surface roughness; this prototype has been used in an innovation project on lightweight active mirrors from the Chinese Academy of Sciences.
机译：有源光学技术减轻了对镜子制造和稳定性的要求。光学复制技术使得有可能快速且廉价地制造光学质量的镜子。结合这两种方法的优点，我们基于Al-SiC钝化层设计了直径为160 mm的轻型单晶镜。建立了有限元模型来预测该反射镜的性能并优化相关参数。制造并测试了球形原型镜，以测量其形状校正能力，热稳定性和表面粗糙度；该原型已在中国科学院的轻型有源反射镜创新项目中使用。

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