The Fabry-Perot interferometer prototype for the ADAHELI solar small mission

Year: 2011

Authors: Berrilli F., Cocciolo M., Giovannelli L., Del Moro D., Giannattasio F., Piazzesi R., Stangalini M., Egidi A., Cavallini F., Greco V., Selci S.

Autors Affiliation: Univ. degli Studi di Roma Tor Vergata(Italy); INAF – Osservatorio Astrofisico di
Arcetri (Italy); Istituto Nazionale di Ottica Applicata, CNR (Italy); Institute for Complex Systems, CNR (Italy)

Abstract: ADAHELI ADvanced Astronomy for HELIophysics is a solar satellite designed to investigate the fast dynamics of the solar photosphere and chromosphere performing visible and NIR broad-band and monochromatic observations of selected atomic lines. ADAHELI is an Italian Space Agency (ASI) project, approved for a feasibility study within the ASI Small Missions call. ISODY Interferometer for SOlar DYnamics is a Gregorian telescope and its focal plane suite (FPS). The FPS is composed of a high-resolution fast acquisition system, based upon a tandem of Fabry-Perot interferometers operating in the visible and NIR regions on selected solar atmospheric lines, a broad band channel, and a correlation tracker used as image stabilization system. In this contribution we describe the Fabry-Perot etalon prototype, based on the capacitance-stabilised concept, realized in our laboratory to perform preliminary mechanical and optical tests with a view to a future Fabry-Perot etalon prototype for space application.


Volume: 8148      Pages from: 814807  to: 814807

More Information: Invited paper
KeyWords: Fabry-Peerot Interferometer; space telescopes; spectroscopy; solar physics;
DOI: 10.1117/12.893552

Citations: 5
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