Sensitive visible interferometry with PAVO
MJ Ireland, A Mérand… - Optical and Infrared …, 2008 - spiedigitallibrary.org
Optical and Infrared Interferometry, 2008•spiedigitallibrary.org
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 …
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 …
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.
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