12 September 2012 JouFLU: an upgraded FLUOR beam combiner at the CHARA Array
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Abstract
FLUOR, which has been operational on CHARA since 2002, is an infrared fiber beam combiner. The telescope array will soon be fitted with an adaptive optics system, which will enhance the interferometer performance. In this framework, FLUOR has been entirely redeveloped and will be able to measure visibilities with higher accuracy and better sensitivity. The technical upgrades consist of improving some existing systems and developing new features. The bench, which is now remotely operable, primarily offers spectral dispersion (long fringes scanning), a more sensitive camera and a Fourier Transform Spectrometer mode. This paper presents the detailed opto-mechanical design of JouFLU (FLUOR rejuvenation), and the current instrument status.
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E. Lhomé, E. Lhomé, N. Scott, N. Scott, T. ten Brummelaar, T. ten Brummelaar, B. Mollier, B. Mollier, J. M. Reess, J. M. Reess, F. Chapron, F. Chapron, T. Buey, T. Buey, A. Sevin, A. Sevin, J. Sturmann, J. Sturmann, L. Sturmann, L. Sturmann, V. Coudé du Foresto, V. Coudé du Foresto, } "JouFLU: an upgraded FLUOR beam combiner at the CHARA Array", Proc. SPIE 8445, Optical and Infrared Interferometry III, 84452I (12 September 2012); doi: 10.1117/12.925905; https://doi.org/10.1117/12.925905
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