Fringe tracker for the CHARA array

Chad E. Ogden; Theo Armand ten Brummelaar; Judit Sturmann

doi:10.1117/12.459323

21 February 2003 Fringe tracker for the CHARA Array

Chad E. Ogden, Theo Armand ten Brummelaar, Judit Sturmann

Proceedings Volume 4838, Interferometry for Optical Astronomy II; (2003) https://doi.org/10.1117/12.459323
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

Atmospheric fluctuations cause a jitter in the fringe position of ground-based stellar interferometers. To efficiently use the few photons available, an active fringe tracking system is necessary to stabilize the fringe position. This paper briefly describes the different methods of fringe tracking being implemented at the CHARA array, as well as the fringe tracking systems themselves.

Citation Download Citation

Chad E. Ogden, Theo Armand ten Brummelaar, and Judit Sturmann "Fringe tracker for the CHARA Array", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); https://doi.org/10.1117/12.459323

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