Thermal characterization of the support plate for the 6.5 m MMT thin-shell, adaptive-secondary mirror

Troy A. Rhoadarmer, Michael Lloyd-Hart, Bruce C. Fitzpatrick, Matthew J. Rademacher, Donald G. Bruns, J. C. Shelton

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

The Multiple Mirror Telescope on Mt. Hopkins will soon be upgraded to a single 6.5 m primary mirror.An adaptive- optical system, featuring a thin-shell, adaptive-secondary mirror with 330 voice-coil actuators is being developed for this new telescope. The thin-shell mirror is supported by a thick, concave aluminum substrate which also holds the actuator control and monitoring electronics and serves as the reference surface. With the actuator electronics dissipating heat into the substrate, the thermal behavior of the aluminum reference plate becomes as important issue. This paper presents results form tow experiments designed to determine the thermal behavior of the reference plate.

Original languageEnglish (US)
Pages (from-to)826-838
Number of pages13
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3353
DOIs
StatePublished - Dec 1 1998
EventAdaptive Optical System Technologies - Kona, HI, United States
Duration: Mar 23 1998Mar 23 1998

Fingerprint

Thin Shells
Mirror
Mirrors
mirrors
Actuator
Actuators
actuators
Aluminum
Telescopes
Telescope
Electronic equipment
Substrate
Electronics
telescopes
aluminum
Substrates
Adaptive Systems
Coil
electronics
Optical systems

Keywords

  • Adaptive optics
  • Astronomical telescopes
  • Deformable mirrors
  • Secondary mirrors
  • Thermal properties

ASJC Scopus subject areas

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

Cite this

Thermal characterization of the support plate for the 6.5 m MMT thin-shell, adaptive-secondary mirror. / Rhoadarmer, Troy A.; Lloyd-Hart, Michael; Fitzpatrick, Bruce C.; Rademacher, Matthew J.; Bruns, Donald G.; Shelton, J. C.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3353, 01.12.1998, p. 826-838.

Research output: Contribution to journalConference article

Rhoadarmer, Troy A. ; Lloyd-Hart, Michael ; Fitzpatrick, Bruce C. ; Rademacher, Matthew J. ; Bruns, Donald G. ; Shelton, J. C. / Thermal characterization of the support plate for the 6.5 m MMT thin-shell, adaptive-secondary mirror. In: Proceedings of SPIE - The International Society for Optical Engineering. 1998 ; Vol. 3353. pp. 826-838.
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AU - Bruns, Donald G.

AU - Shelton, J. C.

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