Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011nimpa.659..569m&link_type=abstract
Nuclear Instruments and Methods in Physics Research A, Vol. 659, p. 569-578
Physics
Photon Detector, Single Photon Counting Mode, Diffuse Night Sky Background, Extensive Air Showers, Fluorescence And Cherenkov Detectors, Vhe Gamma Rays, Uvscope
Scientific paper
UVscope is a portable multi-pixels photon detector developed at IASF-Pa to support experimental activities in the high-energy astrophysics and cosmic rays field. The instrument, working in single photon counting mode, is designed to directly measure light flux in the wavelengths range 300-650 nm. Thanks to its features and operational flexibility, the instrument can be used in a wide field of applications where the knowledge of the environmental luminosity is required, as in the characterization of sites for ground-based Cherenkov and fluorescence telescopes, and for crosscalibration of their cameras. The present version of UVscope is based on a Multi Anode Photo Multiplier Tube and it is completed by a motorized mount and a filter wheel which allow to make low-light measurements, at programmed pointing directions and at different filter wavelengths. In this paper, the instrument is firstly presented in all its components; then the procedures adopted for its absolute and relative calibration are detailed. The performance of UVscope is evaluated and, finally, current and planned scientific applications are described.
Agnetta Gaetano
Billotta Sergio
Biondo Benedetto
Catalano Osvaldo
Giarrusso Salvatore
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