ISSN:
1572-9508
Keywords:
Optical layout
;
Cherenkov telescope
;
Very high energy gamma ray astronomy
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The raytracing technique was used to derive a suitable design for the HEGRA system of Cherenkov telescopes, which is at present commissioned at La Palma. The reflectors with a diameter of ∼ 3.9 m consist of 30 spherical mirrors with focal lengths in the range of 4.88 – 4.94 m. It is shown that 93% of the photons from the Cherenkov light emitted by an extended air shower are contained in the camera pixels, 0.25° in diameter, for the full field of view of ϑ = ± 2.5°. The optical performance of the HEGRA design is compared to other layouts.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1007915512981
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