Schwarzschild-Couder telescope for the Cherenkov Telescope Array: development of the optical system

J. Rousselle; V. Connaughton; M. Errando; T. B. Humensky; R. Mukherjee; D. Nieto; A. Okumura; V. V. Vassiliev

doi:10.1117/12.2028873

26 September 2013 Schwarzschild-Couder telescope for the Cherenkov Telescope Array: development of the optical system

J. Rousselle, V. Connaughton, M. Errando, T. B. Humensky, R. Mukherjee, D. Nieto, A. Okumura, V. V. Vassiliev

Author Affiliations +

Proceedings Volume 8861, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VI; 886104 (2013) https://doi.org/10.1117/12.2028873
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for very high-energy (E>100 GeV) gamma-ray astronomy. It will integrate several tens of imaging atmospheric Cherenkov telescopes (IACTs) with different apertures into a single astronomical instrument. The US part of the CTA collaboration has proposed and is developing a novel IACT design with a Schwarzschild-Couder (SC) aplanatic two-mirror optical system. In comparison with the traditional single mirror Davies-Cotton IACT the SC telescope, by design, can accommodate a wider field-of-view, with significantly improved imaging resolution. In addition, the reduced plate scale of an SC telescope makes it compatible with highly integrated cameras assembled from silicon photo multipliers. In this submission we report on the status of the development of the SC optical system, which is part of the e ort to construct a full-scale prototype telescope of this type at the Fred Lawrence Whipple Observatory in southern Arizona.

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J. Rousselle, V. Connaughton, M. Errando, T. B. Humensky, R. Mukherjee, D. Nieto, A. Okumura, and V. V. Vassiliev "Schwarzschild-Couder telescope for the Cherenkov Telescope Array: development of the optical system", Proc. SPIE 8861, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VI, 886104 (26 September 2013); https://doi.org/10.1117/12.2028873

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