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Proceedings Paper

Design, motivation, and on-sky tests of an efficient fiber coupling unit for 1-meter class telescopes
Author(s): Michael Bottom; Philip S. Muirhead; Jonathan J. Swift; Ming Zhao; Paul Gardner; Peter P. Plavchan; Reed L. Riddle; Erich Herzig; John Asher Johnson; Jason T. Wright; Nate McCrady; Robert A. Wittenmeyer
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Paper Abstract

We present the science motivation, design, and on-sky test data of a high-throughput fiber coupling unit suitable for automated 1-meter class telescopes. The optical and mechanical design of the fiber coupling is detailed and we describe a flexible controller software designed specifically for this unit. The system performance is characterized with a set of numerical simulations, and we present on-sky results that validate the performance of the controller and the expected throughput of the fiber coupling. This unit was designed specifically for the MINERVA array, a robotic observatory consisting of multiple 0.7 m telescopes linked to a single high-resolution stabilized spectrograph for the purpose of exoplanet discovery using high-cadence radial velocimetry. However, this unit could easily be used for general astronomical purposes requiring fiber coupling or precise guiding.

Paper Details

Date Published: 28 July 2014
PDF: 7 pages
Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91472E (28 July 2014); doi: 10.1117/12.2055605
Show Author Affiliations
Michael Bottom, California Institute of Technology (United States)
Philip S. Muirhead, Boston Univ. (United States)
Jonathan J. Swift, California Institute of Technology (United States)
Ming Zhao, The Pennsylvania State Univ. (United States)
Paul Gardner, California Institute of Technology (United States)
Peter P. Plavchan, California Institute of Technology (United States)
Missouri State Univ. (United States)
NASA Exoplanet Science Institute (United States)
Reed L. Riddle, California Institute of Technology (United States)
Erich Herzig, The Thacher School (United States)
John Asher Johnson, Harvard College Observatory (United States)
Jason T. Wright, The Pennsylvania State Univ. (United States)
Nate McCrady, The Univ. of Montana (United States)
Robert A. Wittenmeyer, Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 9147:
Ground-based and Airborne Instrumentation for Astronomy V
Suzanne K. Ramsay; Ian S. McLean; Hideki Takami, Editor(s)

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