Novel technologies for large deformable mirrors

Mel Strachan, David Montgomery, Richard Myers, Kevin Cooke, Joanne Hampshire, Matthias Kroedel, Jim Hough, Sheila Rowan, Marielle van Veggle, Katherine Kirk, Erman Uzgur, Shin-Sung Kim, Martin Strangwood

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


We have been developing a series of novel technological solutions to address the challenges posed by the adaptive optic requirements for extremely large telescopes. Our deformable mirror surface material, a compliant from of silicon carbide, offers a Young's Modulus comparable to glass but with greater, non-catastrophic, resistance to fracture. In combination with the extraordinary new material we have been working on a new low power actuator with a deflection capability of tens of microns. We have considered the systems requirements for our deformable mirror and developed both a coating technology and a unique use of hydroxide catalysis bonding.

Original languageEnglish
Title of host publicationAdaptive Optics Systems II
EditorsBrent L. Ellerbroek, Michael Hart, Norbert Hubin, Peter L. Wizinowich
PublisherSociety of Photo-Optical Instrumentation Engineers
ISBN (Print)9780819482266
Publication statusPublished - 28 Jul 2010

Publication series

NameSPIE Proceedings
ISSN (Print)1996-756X


  • Adaptive optics
  • Deformable mirrors
  • Piezo actuator
  • silicon carbide
  • Cesic


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