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Proceedings Paper

Pressure and temperature stabilization of an existing Echelle spectrograph
Author(s): Frank Grupp; Thomas Udem; Ronald Holzwarth; Florian Lang-Bardl; Ulrich Hopp; Shao-Ming Hu; Anna Brucalassi; Wang Liang; Ralf Bender
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Paper Abstract

The Echelle spectrograph FOCES,1 that was operated at the 2.2m Calar Alto telescope between 1995 and 2009 will be used as a test bed for a number of different stability issues related to high precision radial velocity spectroscopy. We utilize FOCES to study spectrograph stability, illumination stability and fiber transport stability. The layout of this laboratory experiment will be presented in this paper together with the required and desired spectrograph stability with respect to both pressure and temperature. We will present technical concepts how to reach our stabilization goal as well as first results from the spectrograph thermal stabilization efforts.

Paper Details

Date Published: 20 July 2010
PDF: 10 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 773573 (20 July 2010); doi: 10.1117/12.856653
Show Author Affiliations
Frank Grupp, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)
Thomas Udem, Max-Planck-Institut für Quantenoptik (Germany)
Ronald Holzwarth, Max-Planck-Institut für Quantenoptik (Germany)
Menlo Systems GmbH (Germany)
Florian Lang-Bardl, Univ.-Sternwarte München (Germany)
Ulrich Hopp, Univ.-Sternwarte München (Germany)
Max-Planck-Institut für extraterrestrische Physik (Germany)
Shao-Ming Hu, Max-Planck-Institut für extraterrestrische Physik (Germany)
Shandong Univ. (China)
Anna Brucalassi, Max-Planck-Institut für extraterrestrische Physik (Germany)
European Southern Observatory (Germany)
Wang Liang, National Astronomical Observatories (China)
Ralf Bender, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)

Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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