1 November 1997 Fabrication and testing of the ITTT beryllium secondary mirror
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Proceedings Volume 3134, Optical Manufacturing and Testing II; (1997); doi: 10.1117/12.295156
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States
Abstract
This paper describes the process by which Hughes Danbury Optical Systems successfully manufactured a beryllium secondary mirror for the NASA Jet Propulsion Laboratory's IR Telescope Technology Testbed. The secondary was fabricated and tested using conventional methods. Fiducialization was sued to calibrate and remove all systematic errors from the Hindle test. Additionally, surface roughness and scatter were fully characterized.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Philip Stahl, Dan Radacsi, Thomas J. Heydenburg, Austin Gehan, Robert Paul Bourgeois, Bob Radomski, David A. Hansen, Ken Kearney, Mark T. Stier, Steven A. Macenka, "Fabrication and testing of the ITTT beryllium secondary mirror", Proc. SPIE 3134, Optical Manufacturing and Testing II, (1 November 1997); doi: 10.1117/12.295156; https://doi.org/10.1117/12.295156
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KEYWORDS
Mirrors

Optical spheres

Monochromatic aberrations

Beryllium

Calibration

Surface roughness

Polishing

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