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26 August 2022 The CHARA Michelson Array Pathfinder
R. Ligon, M. Anderson, N. Anugu, T. ten Brummelaar, C. Farrington, D. Gies, S. Golden, R. Koehler, F. Reynaud, S. Ridgway, G. Schaefer, N. Scott, L. Sturmann, N. Turner, C. Woods
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Proceedings Volume 12183, Optical and Infrared Interferometry and Imaging VIII; 121832N (2022) https://doi.org/10.1117/12.2629530
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada
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Abstract
Much research has been done to show the possibilities of using long transport fibers in optical interferometry. The CHARA Michelson Array Pathfinder will extend the spatial coverage of the CHARA Array by adding a mobile 1-meter telescope connected by optical fibers. The pathfinder will operate in H-band and will explore baselines up to approximately 1 km, giving an angular resolution of 0.2 mas. The new telescope will be placed at short baselines to image the surfaces of large stars and at long baselines to resolve small stars. Here we describe the project and our progress on various subsystems.
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R. Ligon, M. Anderson, N. Anugu, T. ten Brummelaar, C. Farrington, D. Gies, S. Golden, R. Koehler, F. Reynaud, S. Ridgway, G. Schaefer, N. Scott, L. Sturmann, N. Turner, and C. Woods "The CHARA Michelson Array Pathfinder", Proc. SPIE 12183, Optical and Infrared Interferometry and Imaging VIII, 121832N (26 August 2022); https://doi.org/10.1117/12.2629530
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KEYWORDS
Optical fibers
Telescopes
Optical instrument design
Adaptive optics
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