Physics – Instrumentation and Detectors
Scientific paper
2003-07-07
Journal of Applied Physics, Vol. 94, No. 10, 6887, 15 November 2003
Physics
Instrumentation and Detectors
Submitted to Journal of Applied Physics
Scientific paper
10.1063/1.1619196
We apply the standard photovoltaic technique of texturing to reduce the reflectivity of silicon cryogenic calorimetric light detectors. In the case of photons with random incidence angles, absorption is compatible with the increase in surface area. For the geometrically thin detectors studied, energy resolution from athermal phonons, dominated by position dependence, is proportional to the surface-to-volume ratio. With the CaWO4 scintillating crystal used as light source, the time constants of the calorimeter should be adapted to the relatively slow light-emission times.
Angloher Godehard
Bruckmayer Manfred
Cozzini C.
Di Stefano C. F. P.
Frank Torsten
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