Active Optical Correctors for Large Inflatable Telescopes

David Henry Lesser, Logan Graves, Christopher K Walker

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Large spherical balloons are a promising new option for deploying extremely large, yet light-weight mirrors for stratospheric and space-based applications. However, their lack of a rigid, precise structure presents a unique challenge for optically correcting nonspherical distortions, particularly at shorter wavelengths. In this paper, we present the design and characterization of a lab prototype for a 10-m aperture telescope for observing the water vapor emission line at 538 mum (557 GHz), as well as considerations for future flight-worthy versions.

Original languageEnglish (US)
Article number8721068
Pages (from-to)409-416
Number of pages8
JournalIEEE Transactions on Terahertz Science and Technology
Volume9
Issue number4
DOIs
StatePublished - Jul 1 2019

Keywords

  • Antennas and propagation
  • control systems
  • optical control
  • radio astronomy

ASJC Scopus subject areas

  • Radiation
  • Electrical and Electronic Engineering

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