The Astro-Comb project

Year: 2010

Authors: Schettino G., Baffa C., Giani E., Inguscio M., Oliva E., Tozzi A., Cancio P.

Autors Affiliation: Dip. Fisica e Astronomia, Univ. Firenze, Via Sansone 1, 50019 Sesto Fiorentino Italy; INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, 50125 Firenze, Italy; LENS, Via N. Carrara 1, 50019 Sesto Fiorentino, Italy; INO-CNR, Largo E. Fermi 6, 50125 Firenze (Italy)

Abstract: An Optical Frequency Comb-based apparatus, to be used as a calibration system of the IR GIANO astronomical spectrograph, is the aim of the Astro-Comb project. We plan to obtain, starting from a comb repetition rate of 100 MHz, a final calibration spectrum of lines equally spaced by 16 GHz over the spectral range from 1 mu m. Such a system is able to overcome some limits of the present day calibrators, allowing to complement a high resolution spectrograph, such as GIANO, for precision measurements like the detection of extra-solar rocky planets.


Volume: 7808      Pages from: 78081Q  to: 78081Q

KeyWords: astro
DOI: 10.1117/12.863828

Citations: 3
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