Sensitive visible interferometry with PAVO

Michael J. Ireland, Antoine Mérand, Theo A. Ten Brummelaar, Peter G. Tuthill, Gail H. Schaefer, Nils H. Turner, Judit Sturmann, Laszlo Sturmann, Harold A. McAlister

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

52 Citations (Scopus)

Abstract

The Precision Astronomical Visible Observations (PAVO) beam combiner is a new concept in visible beam combination, recently commissioned at the CHARA array. By creating spatially-modulated fringes in a pupil plane and then dispersing with an integral field unit, PAVO utilizes the full multi-r0 aperture of the CHARA array over a standard 50% (630-950nm) bandwidth. In addition, minimal optimized spatial filtering ensures calibration that is in principle as good as using single-mode fibers. We describe the design of and initial results from the PAVO instrument.

Original languageEnglish
Title of host publicationOptical and infrared interferometry
EditorsMarkus Schöller, William C. Danchi, Françoise Delplancke
Place of PublicationBellingham, Washington
PublisherSPIE
Pages701324-1-701324-10
Number of pages10
ISBN (Print)9780819472236
DOIs
Publication statusPublished - 2008
Externally publishedYes
EventOptical and Infrared Interferometry - Marseille, France
Duration: 23 Jun 200827 Jun 2008

Publication series

NameProceedings of SPIE
PublisherSPIE
Volume7013
ISSN (Print)0277-786X

Other

OtherOptical and Infrared Interferometry
CountryFrance
CityMarseille
Period23/06/0827/06/08

Keywords

  • Instrumentation: interferometers
  • Optical interferometry
  • Techniques: interferometric

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