Ground and Space-Based Telescopes

Study of optical materials to be used on Multi Element Telescope for Imaging and Spectroscopy instrument

[+] Author Affiliations
Marco Nardello, Paola Zuppella, Enrico Tessarolo, Maria Guglielmina Pelizzo

CNR—IFN UOS Padova, Via Trasea 7, Padova 35131, Italy

University of Padua—CISAS “G. Colombo” Via Venezia 15, Padova 35131, Italy

Sara Zuccon, Alain Jodi Corso, Francesca Gerlin

CNR—IFN UOS Padova, Via Trasea 7, Padova 35131, Italy

J. Astron. Telesc. Instrum. Syst. 1(2), 024003 (Apr 07, 2015). doi:10.1117/1.JATIS.1.2.024003
History: Received October 10, 2014; Accepted March 16, 2015
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Abstract.  The European Space Agency mission Solar Orbiter (SOLO) is dedicated to the study of the solar atmosphere and heliosphere. As a part of the payload, the instrument METIS (Multi Element Telescope for Imaging and Spectroscopy) will provide images of the corona, both in the visible range and at the hydrogen Lyman-α emission line (121.6 nm). The realization of optical coatings, based on Al and MgF2, able to reflect/transmit such spectral components is, therefore, necessary. Since optical characteristics of materials in the vacuum ultraviolet range are not well studied and vary greatly with the realization process, we implemented a study of their properties in different deposition conditions. This is aimed to the realization of a custom designed filter able to transmit the 121.6 nm wavelength while reflecting visible light, and thus separating visible from ultraviolet light paths in the METIS instrument.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Marco Nardello ; Sara Zuccon ; Alain Jodi Corso ; Paola Zuppella ; Francesca Gerlin, et al.
"Study of optical materials to be used on Multi Element Telescope for Imaging and Spectroscopy instrument", J. Astron. Telesc. Instrum. Syst. 1(2), 024003 (Apr 07, 2015). ; http://dx.doi.org/10.1117/1.JATIS.1.2.024003


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