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    A Tip-Tilt Mirror Control System for Partial Image Correction at UC Mount John Observatory (2021)

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    Type of Content
    Conference Contributions - Published
    UC Permalink
    https://hdl.handle.net/10092/101789
    
    Publisher's DOI/URI
    10.1109/IVCNZ51579.2020.9290543
    
    Publisher
    IEEE
    Collections
    • Engineering: Conference Contributions [2155]
    Authors
    Liu, J
    Muruganandan, V
    Clare, R
    Ramırez Trujillo, M
    Weddell, S
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    Editors
    Lensen A
    Abstract

    Astronomical images captured by ground-based telescopes, including at University of Canterbury Mount John Observatory, are distorted due to atmospheric turbulence. The major constituents of atmospheric distortion are tip-tilt aberrations. The solution to achieve higher resolution is to develop and install a tip-tilt mirror control system on ground-based telescopes. A realtime tip-tilt mirror control system measures and corrects for tip-tilt aberrations in optical wavefronts. It effectively minimises the perturbation of the star image when observing with the aid of a telescope. To the best of our knowledge, this is the first tip-tilt mirror control system to be applied at a New Zealand astronomical observatory. This would extend the possibilities of correcting higher-order aberrations for 0.5 to 1.0 metre class, ground-based telescopes.

    Citation
    Liu J, Muruganandan V, Clare R, Ramırez Trujillo M, Weddell S (2021). A Tip-Tilt Mirror Control System for Partial Image Correction at UC Mount John Observatory. Wellington, New Zealand: Image and Vision Conference New Zealand (IVCNZ). 25/11/2020-27/11/2020. IEEE Xplore.
    This citation is automatically generated and may be unreliable. Use as a guide only.
    Keywords
    image correction; tilt sensing; wave-front sensing; adaptive optics
    ANZSRC Fields of Research
    02 - Physical Sciences::0201 - Astronomical and Space Sciences::020102 - Astronomical and Space Instrumentation
    08 - Information and Computing Sciences::0801 - Artificial Intelligence and Image Processing::080106 - Image Processing
    09 - Engineering::0906 - Electrical and Electronic Engineering::090602 - Control Systems, Robotics and Automation
    Rights
    © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    http://hdl.handle.net/10092/17651
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