Prospects for the GLAS Rayleigh laser beacon on the 4.2-m WHT

René Rutten*, Maarten Blanken, Richard McDermid, Thomas Gregory, Paul Jolley, Tim Morris, Richard Myers, Johan Pragt, Ton Schoenmaker, Remko Stuik, Gordon Talbot

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)

Abstract

The scientific exploitation of adaptive optics (AO) with natural guide stars is severely constrained by the limited presence of bright guide stars for wavefront sensing. Use of a laser beam as an alternative means to provide a source for wavefront sensing has the potential of drastically improving the sky coverage for AO. For this reason at the 4.2-m William Herschel Telescope a project was started to develop a Rayleigh laser beacon to work together with the existing NAOMI adaptive optics instrumentation and the OASIS integral field spectrograph. This paper presents the rationale for this development, highlights some of the technical aspects, and gives some expected performance measures.

Original languageEnglish
Pages (from-to)632-638
Number of pages7
JournalNew Astronomy Reviews
Volume49
Issue number10-12
DOIs
Publication statusPublished - Jan 2006
Externally publishedYes

Keywords

  • Adaptive optics
  • Rayleigh laser guide stars

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