Toward a large lightweight mirror for AO: development of a 1m Ni coated CFRP mirror

Toward a large lightweight mirror for AO: development of a 1m Ni coated CFRP mirror
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面向 AO 的大型轻质反射镜:开发 1m 镀镍 CFRP 反射镜

DOI:
10.1117/12.786079
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发表时间:
2008
期刊:
--
影响因子:
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通讯作者:
Thompson S
Thompson S
中科院分区:
--
文献类型:
--
作者:
Thompson S

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我们提出了我们最近的发展建设的一个大的,薄的,单片镜的自适应光学(AO)。我们目前的研究计划的目标是在2009年第四季度完成直径为1米的镀镍碳纤维增强氰酸酯树脂反射镜的制造和测试。这种复合反射镜材料正在开发中,旨在为薄玻璃壳反射镜提供一种重量轻、坚固耐用的替代品,同时考虑到未来大型可变形反射镜(如E-ELT上的2.5 m M4)的挑战。伯明翰大学(英国)正在对测试镜样品的材料特性进行详细分析,并在此讨论和介绍了第一批结果。我们讨论了到目前为止取得的项目进展,包括复制过程中的1米平面模具的制造,20厘米直径的样品镜的制造和测试方法以及系统模拟。
We present our recent developments towards the construction of a large, thin, single-piece mirror for adaptive optics (AO). Our current research program aims to have completed fabrication and testing of a 1m diameter, nickel coated carbon-fibre reinforced cyanate ester resin mirror by the last quarter of 2009. This composite mirror material is being developed to provide a lightweight and robust alternative to thin glass shell mirrors, with the challenge of future large deformable mirrors such as the 2.5m M4 on the E-ELT in mind. A detailed analysis of the material properties of test mirror samples is being performed at the University of Birmingham (UK), the first results of which are discussed and presented here. We discuss the project progress achieved so far, including fabrication of the 1m flat moulds for the replication process, manufacturing and testing methods for 20 cm diameter sample mirrors and system simulations.
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