Phonon-mediated detectors of radiation: state of the art

Andrea Giuliani

doi:10.1117/12.450759

18 December 2001 Phonon-mediated detectors of radiation: state of the art

Andrea Giuliani

Proceedings Volume 4507, Hard X-Ray and Gamma-Ray Detector Physics III; (2001) https://doi.org/10.1117/12.450759
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Basic operation principles of phonon-mediated low-temperature detectors of radiation are briefly reviewed. Physical properties required for the energy absorbers and for the phonon sensors of the detectors are introduced and discussed. Semiconductor thermistors, superconductive tunnel junctions and transition edge films as phonon sensors are presented and critically compared. State-of-art of single quantum detection with these devices is reported. Particular emphasis is given to the detection of X-rays and Gamma-rays. In this field, low temperature devices can provide higher efficiency and energy resolution than conventional technology. The main point is that phonon-mediated low temperature detectors are characterized by a large flexibility in the choice of the material for the active part of the device. High Z materials with the proper thermal properties can therefore be selected, providing at the same time high efficiency and high signal-to-noise ratio. The unique features of low temperature detectors allow their use in many fields, ranging from fundamental physics (neutrino properties, dark matter search, astronomy) to industrial applications (X-ray fluorescence analysis).

Citation Download Citation

Andrea Giuliani "Phonon-mediated detectors of radiation: state of the art", Proc. SPIE 4507, Hard X-Ray and Gamma-Ray Detector Physics III, (18 December 2001); https://doi.org/10.1117/12.450759

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