Published July 28, 2008
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Sensitive visible interferometry with PAVO
Chicago
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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.
Additional Information
© 2008 Society of Photo-Optical Instrumentation Engineers (SPIE). M.I. would like to acknowledge Michelson Fellowship support from the Michelson Science Center and the NASA Navigator Program. A.M. acknowledges support from the W.M. Keck foundation. PAVO at CHARA has also been funded by the W.M. Keck foundation. The CHARA night assistants P.J. Goldfinger and Chris Farrington assisted greatly in making the commisioning observations possible.Attached Files
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Additional details
- Eprint ID
- 88539
- Resolver ID
- CaltechAUTHORS:20180802-154730685
- NASA Michelson Fellowship
- W. M. Keck Foundation
- Created
-
2018-08-03Created from EPrint's datestamp field
- Updated
-
2021-11-16Created from EPrint's last_modified field
- Caltech groups
- Infrared Processing and Analysis Center (IPAC)
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 7013