31 October 2016 Light concentrator of the wide field of view Cherenkov telescope
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Abstract
The Wide Field of View Cherenkov Telescope (WFCT) is mainly constituted by optical reflector and focal-plane photomultiplier (PMT) array camera. In order to avoid loss of Cherenkov signal resulting from the dead area between circular PMT tubes and invalid fringe of each PMT, the light concentrator used as front window of PMT is considered to improve detective efficiency. Basing on the edge-ray principle and features of WFCT, several light concentrators are designed and simulated with ZEMAX. The result shows that the hollow hexahedral compound parabolic concentrator (hex-CPC) has good performance in collecting light. Moreover, the samples of the hollow hexahedral CPC have been manufactured and tested.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Rui Yang, Xi Yi Sheng, Bo Lin Liao, "Light concentrator of the wide field of view Cherenkov telescope", Proc. SPIE 10021, Optical Design and Testing VII, 1002122 (31 October 2016); doi: 10.1117/12.2247726; https://doi.org/10.1117/12.2247726
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