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Diamond fly cutting of aluminum thermal infrared flat mirrors for the OSIRIS-REx Thermal Emission Spectrometer (OTES) instrument

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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.

Original languageEnglish (US)
Title of host publicationAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
EditorsRamon Navarro, James H. Burge
PublisherSPIE
ISBN (Electronic)9781510602038
DOIs
StatePublished - 2016
EventAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation II - Edinburgh, United Kingdom
Duration: Jun 26 2016 → Jul 1 2016

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9912

Other

OtherAdvances in Optical and Mechanical Technologies for Telescopes and Instrumentation II
Country/TerritoryUnited Kingdom
CityEdinburgh
Period6/26/16 → 7/1/16

Keywords

  • CNC machining
  • Diamond fly cutting
  • Flat mirrors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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