Tests characterization and alignment for the optics of the ASTRI SST-2M telescope prototype for the Cherenkov Telescope Array

Enrico Giro; Gabriele Rodeghiero; Giacomo Bonnoli; Rodolfo Canestrari; Paolo Conconi; Mauro Fiorini; Daniela Fantinel; Daniele Gardiol; Luigi Lessio; Nicola La Palombara; Giovanni Pareschi; Luca Perri; Danilo Selvestrel; Giorgia Sironi; Luca Stringhetti; Giorgio Toso; Gino Tosti; Antonio Volpicelli; Gerardo Capobianco

doi:10.1117/12.2055945

28 July 2014 Tests characterization and alignment for the optics of the ASTRI SST-2M telescope prototype for the Cherenkov Telescope Array

Enrico Giro, Gabriele Rodeghiero, Giacomo Bonnoli, Rodolfo Canestrari, Paolo Conconi, Mauro Fiorini, Daniela Fantinel, Daniele Gardiol, Luigi Lessio, Nicola La Palombara, Giovanni Pareschi, Luca Perri, Danilo Selvestrel, Giorgia Sironi, Luca Stringhetti, Giorgio Toso, Gino Tosti, Antonio Volpicelli, Gerardo Capobianco

Author Affiliations +

Proceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation; 91513L (2014) https://doi.org/10.1117/12.2055945
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

ASTRI SST-2M is a prototype dual mirror Small Size class of Telescope for the Cherenkov Telescope Array (CTA). Its innovative design based on a Schwarzschild-Couder configuration will permit use Silicon Photo-multipliers as focalplane detectors. The dual mirror configuration is a challenge for the realization of both the primary and secondary. Accurate tests and characterization are mandatory to understand the behavior of the optical configuration, its limits and the possibility of improvements of the full CTA array. Moreover, optical alignment requires solutions and procedures that have not been used so far on Cherenkov telescopes. The aim of paper is to provide an analysis of these topics in the context of the ASTRI SST-2M telescope.

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Enrico Giro, Gabriele Rodeghiero, Giacomo Bonnoli, Rodolfo Canestrari, Paolo Conconi, Mauro Fiorini, Daniela Fantinel, Daniele Gardiol, Luigi Lessio, Nicola La Palombara, Giovanni Pareschi, Luca Perri, Danilo Selvestrel, Giorgia Sironi, Luca Stringhetti, Giorgio Toso, Gino Tosti, Antonio Volpicelli, and Gerardo Capobianco "Tests characterization and alignment for the optics of the ASTRI SST-2M telescope prototype for the Cherenkov Telescope Array", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91513L (28 July 2014); https://doi.org/10.1117/12.2055945

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