Fabrication and testing of the ITTT beryllium secondary mirror

被引:3
|
作者
Stahl, HP [1 ]
Radacsi, D [1 ]
Heydenburg, T [1 ]
Gehan, A [1 ]
Bourgeois, R [1 ]
Radomski, B [1 ]
Hansen, D [1 ]
Kearney, K [1 ]
Stier, M [1 ]
Macenka, S [1 ]
机构
[1] Hughes Danbury Opt Syst, Danbury, CT 06810 USA
来源
关键词
asphere; secondary mirror; optical testing; optical fabrication; anomalous scatter;
D O I
10.1117/12.295156
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper describes the process by which Hughes Dambury Optical systems successfully manufactured a beryllium secondary mirror for the NASA Jet Propulsion Laboratory's Infrared Telescope Technology Tested (ITTT). The secondary was fabricated and tested using conventional methods (generation, grinding, and polishing; and a Hindle sphere test). Fiducialization was used to calibrate and remove all systematic errors from the Hindle test. Additionally, surface roughness and scatter were fully characterized.
引用
收藏
页码:62 / 71
页数:2
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