Membrane mirror evaluation of APERTURE

A precise extremely large reflective telescope using re-configurable elements

Turgut B. Baturalp, Victoria Coverstone, Rocco Coppejans, Jian Cao, Yipwah Chung, David B. Buchholz, M. P. Ulmer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Larger mirrors are needed to satisfy the requirements of the next generation of UV-Vis space telescopes. Our NASA-NIAC funded project, titled A Precise Extremely large Reflective Telescope Using Reconfigurable Elements (APERTURE), attempts to meet this requirement. The aim of the project is to demonstrate technology that would deploy a large, continuous, high figure accuracy membrane mirror. The figure of the membrane mirror is corrected after deployment using a contiguous coating of a Magnetic Smart Material (MSM) and a magnetic field. The MSM is a magnetostrictive material which is driven by magnetic write head(s) (MWH), locally imposed on the non-reflective side of the membrane mirror. In this proceeding we report the figure accuracy of the MSM coated membrane mirror under various conditions using a Shack-Hartmann surface profiler. The figure accuracy and magnetostrictive performance of the membrane mirror is found to be significantly dependent on ambient temperature fluctuations, the tension load on the membrane, time, magnetic writing head orientation and magnetic field strength. The results and reproducibility of the surface profiling experiments under various conditions are introduced and discussed.

Original languageEnglish (US)
Title of host publicationSpace Telescopes and Instrumentation 2018
Subtitle of host publicationOptical, Infrared, and Millimeter Wave
EditorsGiovanni G. Fazio, Howard A. MacEwen, Makenzie Lystrup
PublisherSPIE
Volume10698
ISBN (Print)9781510619494
DOIs
StatePublished - Jan 1 2018
EventSpace Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave - Austin, United States
Duration: Jun 10 2018Jun 15 2018

Other

OtherSpace Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave
CountryUnited States
CityAustin
Period6/10/186/15/18

Fingerprint

Telescopes
Telescope
Mirror
Mirrors
Membrane
telescopes
mirrors
membranes
Membranes
Smart Materials
smart materials
Intelligent materials
evaluation
Magnetic materials
Figure
Evaluation
Magnetic Field
Magnetic fields
Space Telescope
requirements

Keywords

  • Deployable Optics
  • Magnetic Smart Materials
  • Magnetostriction
  • Membrane Mirrors
  • Post Deployment Correction
  • Space Mirrors
  • Space Telescopes

ASJC Scopus subject areas

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

Cite this

Baturalp, T. B., Coverstone, V., Coppejans, R., Cao, J., Chung, Y., Buchholz, D. B., & Ulmer, M. P. (2018). Membrane mirror evaluation of APERTURE: A precise extremely large reflective telescope using re-configurable elements. In G. G. Fazio, H. A. MacEwen, & M. Lystrup (Eds.), Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave (Vol. 10698). [106981K] SPIE. https://doi.org/10.1117/12.2309826

Membrane mirror evaluation of APERTURE : A precise extremely large reflective telescope using re-configurable elements. / Baturalp, Turgut B.; Coverstone, Victoria; Coppejans, Rocco; Cao, Jian; Chung, Yipwah; Buchholz, David B.; Ulmer, M. P.

Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. ed. / Giovanni G. Fazio; Howard A. MacEwen; Makenzie Lystrup. Vol. 10698 SPIE, 2018. 106981K.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Baturalp, TB, Coverstone, V, Coppejans, R, Cao, J, Chung, Y, Buchholz, DB & Ulmer, MP 2018, Membrane mirror evaluation of APERTURE: A precise extremely large reflective telescope using re-configurable elements. in GG Fazio, HA MacEwen & M Lystrup (eds), Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. vol. 10698, 106981K, SPIE, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, Austin, United States, 6/10/18. https://doi.org/10.1117/12.2309826
Baturalp TB, Coverstone V, Coppejans R, Cao J, Chung Y, Buchholz DB et al. Membrane mirror evaluation of APERTURE: A precise extremely large reflective telescope using re-configurable elements. In Fazio GG, MacEwen HA, Lystrup M, editors, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. Vol. 10698. SPIE. 2018. 106981K https://doi.org/10.1117/12.2309826
Baturalp, Turgut B. ; Coverstone, Victoria ; Coppejans, Rocco ; Cao, Jian ; Chung, Yipwah ; Buchholz, David B. ; Ulmer, M. P. / Membrane mirror evaluation of APERTURE : A precise extremely large reflective telescope using re-configurable elements. Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave. editor / Giovanni G. Fazio ; Howard A. MacEwen ; Makenzie Lystrup. Vol. 10698 SPIE, 2018.
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