4 August 2014 SST-GATE telescope: an innovative dual-mirror prototype for the Cherenkov Telescope Array
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Abstract
The Observatoire de Paris is involved in the Cherenkov Telescope Array (CTA) project by designing and constructing on the site of Meudon a Small Size Telescope prototype, named SST-GATE, in collaboration with the CHEC team (Compact High Energy Camera) which is providing the camera. The telescope structure is based on the Schwarzschild- Couder optical design which has never been adopted before in the design of a ground-based telescope. This concept allows a larger field of view and cheaper and smaller telescope and camera design with improved performance compared to the Davies-Cotton design traditionally used in very high energy gamma-ray telescopes.

The SST-GATE telescope has been designed with the prime objectives of being light, versatile and simple to assemble with a minimal maintenance cost. This papers aims at reviewing the SST-GATE telescope structure from mechanics to optics along with the control command architecture; several innovative developments implemented within the design are discussed. Updates of the project status and perspectives are made.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Delphine Dumas, Delphine Dumas, Jean-Michel Huet, Jean-Michel Huet, Jean-Laurent Dournaux, Jean-Laurent Dournaux, Philippe Laporte, Philippe Laporte, Jean-Philippe Amans, Jean-Philippe Amans, Gilles Fasola, Gilles Fasola, Andreas Zech, Andreas Zech, Cameron Rulten, Cameron Rulten, Hélène Sol, Hélène Sol, Simon Blake, Simon Blake, Jurgen Schmoll, Jurgen Schmoll, "SST-GATE telescope: an innovative dual-mirror prototype for the Cherenkov Telescope Array", Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 91452Y (4 August 2014); doi: 10.1117/12.2055083; https://doi.org/10.1117/12.2055083
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