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

doi:10.1117/12.788386

28 July 2008 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

Author Affiliations +

Proceedings Volume 7013, Optical and Infrared Interferometry; 701324 (2008) https://doi.org/10.1117/12.788386
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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.

Citation Download Citation

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, "Sensitive visible interferometry with PAVO", Proc. SPIE 7013, Optical and Infrared Interferometry, 701324 (28 July 2008); doi: 10.1117/12.788386; https://doi.org/10.1117/12.788386

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