Performance testing of the Hobby-Eberly Telescope primary mirror array

Mark T. Adams, John A. Booth, Grant M. Hill, Larry W. Ramsey

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

To improve the image quality performance of the Hobby-Eberly Telescope's (HET) segmented primary mirror and to assist in the requirements definition for an optical alignment sensing and control system, multiple engineering tests have been designed and executed. The most significant of these tests have been the alignment maintenance baseline and solid mount tests. Together, these engineering tests defined the complex thermal and non-thermal response modes of the steel HET primary mirror truss and quantified the performance of the segment support system. We discuss the configuration and performance of the HET primary mirror, and discuss our engineering test motivation, goals, design, implementation and results. We also discuss the implications of our primary mirror performance test results for conceptually similar next generation telescope designs, such as the Extremely Large Telescope (ELT).

Original languageEnglish (US)
Pages (from-to)471-481
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4004
StatePublished - Jan 1 2000
EventTelescope Structures, Enclosures, Controls, Assembly/Integration/Validation, and Commissioning - Munich, Ger
Duration: Mar 27 2000Mar 31 2000

All Science Journal Classification (ASJC) codes

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

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