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Proceedings Paper

Diamond fly cutting of aluminum thermal infrared flat mirrors for the OSIRIS-REx Thermal Emission Spectrometer (OTES) instrument
Author(s): Christopher E. Groppi; Matthew Underhill; Zoltan Farkas; Daniel Pelham
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Paper Abstract

We present the fabrication and measurement of monolithic aluminum flat mirrors designed to operate in the thermal infrared for the OSIRIS-Rex Thermal Emission Spectrometer (OTES) space instrument. The mirrors were cut using a conventional fly cutter with a large radius diamond cutting tool on a high precision Kern Evo 3-axis CNC milling machine. The mirrors were measured to have less than 150 angstroms RMS surface error.

Paper Details

Date Published: 22 July 2016
PDF: 5 pages
Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99123V (22 July 2016); doi: 10.1117/12.2231536
Show Author Affiliations
Christopher E. Groppi, Arizona State Univ. (United States)
Matthew Underhill, Arizona State Univ. (United States)
Zoltan Farkas, Arizona State Univ. (United States)
Daniel Pelham, Arizona State Univ. (United States)


Published in SPIE Proceedings Vol. 9912:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
Ramón Navarro; James H. Burge, Editor(s)

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