Simulation of adaptive optics for the Vacuum Tower Telescope

Anita Enmark, Thomas Berkefeld, Oskar von der Luhe, Torben Andersen

Research output: Contribution to journalArticlepeer-review

1 Citation (SciVal)

Abstract

A simulation model of the adaptive optics of the German Vacuum Tower Telescope (VTT), Observatorio del Teide, Tenerifes presented. The model uses modules from the integrated model of the Euro50 extremely large telescope, and includes submodels of a Shack-Hartmann wavefront sensor, a de-formable mirror, a tip-tilt mirror, high-voltage amplifier low-pass filters, a reconstructor and a controller. We investigate the impact on the closed loop bandwidth of changes in controller configuration and certain system parameters, such as low pass filter bandwidth and camera integration and readout time. Control strategies were tested on simple models before implementation on the full VTT model. Using the models, different control strategies are compared.
Original languageEnglish
Pages (from-to)87-99
JournalExperimental Astronomy
Volume21
Issue number2
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Astronomy, Astrophysics and Cosmology

Keywords

  • modelling
  • simulation
  • control algorithms
  • adaptive optics
  • solar telescope

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