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Proceedings Paper

Relative stability of two laser frequency combs for routine operation on HARPS and FOCES
Author(s): Rafael A. Probst; Gaspare Lo Curto; Gerardo Ávila; Anna Brucalassi; Bruno L. Canto Martins; Izan de Castro Leão; Massimiliano Esposito; Jonay I. González Hernández; Frank Grupp; Theodor W. Hänsch; Ronald Holzwarth; Hanna Kellermann; Florian Kerber; Olaf Mandel; Antonio Manescau ; Luca Pasquini; Eszter Pozna; Rafael Rebolo; José Renan de Medeiros; Sebastian P. Stark; Tilo Steinmetz; Alejandro Suárez Mascareño; Thomas Udem; Josefina Urrutia; Yuanjie Wu
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Paper Abstract

We report on the installation of a laser frequency comb (LFC) at the HARPS spectrograph, which we characterize relative to a second LFC that we had brought to HARPS for testing. This allowed us for the first time to probe the relative stability of two independent astronomical LFCs over an extended wavelength range. Both LFCs covered the spectral range of HARPS at least from 460 to 690 nm. After optimization of the fiber coupling to HARPS to suppress modal noise, a relative stability of the two LFCs in the low cm/s range was obtained. In combination with the results of our four earlier LFC test campaigns on HARPS, the available data now cover a time span of more than six years.

Paper Details

Date Published: 9 August 2016
PDF: 16 pages
Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990864 (9 August 2016); doi: 10.1117/12.2231434
Show Author Affiliations
Rafael A. Probst, Max-Planck-Institut für Quantenoptik (Germany)
Gaspare Lo Curto, European Southern Observatory (Germany)
Gerardo Ávila, European Southern Observatory (Germany)
Anna Brucalassi, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)
Bruno L. Canto Martins, Univ. Federal do Rio Grande de Norte (Brazil)
Izan de Castro Leão, Univ. Federal do Rio Grande de Norte (Brazil)
Massimiliano Esposito, Instituto de Astrofísica de Canarias (Spain)
Jonay I. González Hernández, Instituto de Astrofísica de Canarias (Spain)
Univ. de La Laguna (Spain)
Frank Grupp, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)
Theodor W. Hänsch, Max-Planck-Institut für Quantenoptik (Germany)
Ronald Holzwarth, Max-Planck-Institut für Quantenoptik (Germany)
Menlo Systems GmbH (Germany)
Hanna Kellermann, Max-Planck-Institut für extraterrestrische Physik (Germany)
Univ.-Sternwarte München (Germany)
Florian Kerber, European Southern Observatory (Germany)
Olaf Mandel, Menlo Systems GmbH (Germany)
Antonio Manescau , European Southern Observatory (Germany)
Luca Pasquini, European Southern Observatory (Germany)
Eszter Pozna, European Southern Observatory (Germany)
Rafael Rebolo, Instituto de Astrofísica de Canarias (Spain)
Univ. de La Laguna (Spain)
José Renan de Medeiros, Univ. Federal do Rio Grande de Norte (Brazil)
Sebastian P. Stark, Menlo Systems GmbH (Germany)
Tilo Steinmetz, Menlo Systems GmbH (Germany)
Alejandro Suárez Mascareño, Instituto de Astrofísica de Canarias (Spain)
Univ. de La Laguna (Spain)
Thomas Udem, Max-Planck-Institut für Quantenoptik (Germany)
Josefina Urrutia, European Southern Observatory (Germany)
Yuanjie Wu, Max-Planck-Institut für Quantenoptik (Germany)


Published in SPIE Proceedings Vol. 9908:
Ground-based and Airborne Instrumentation for Astronomy VI
Christopher J. Evans; Luc Simard; Hideki Takami, Editor(s)

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