A double junction superconductive detector based on a single material
| Autor: | Emanuela Esposito, Sergio Pagano, M Ejrnaes, Mikhail Lisitskiy, Ciro Nappi, R. Cristiano, D. Perez de Lara |
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| Rok vydání: | 2006 |
| Předmět: |
DYNAMICS
Superconductivity History Materials science Physics::Instrumentation and Detectors business.industry Detector Electrical engineering Radiation QUASI-PARTICLES Signal Particle detector Computer Science Applications Education Characterization (materials science) ENERGY RESOLUTION Condensed Matter::Superconductivity Quasiparticle Optoelectronics Absorption (electromagnetic radiation) business |
| Zdroj: | 7th European Conference on Applied Superconductivity EUCAS 2005, pp. 1307–1310, Vienna, Austria, 2006 info:cnr-pdr/source/autori:S. Pagano; M. Ejrnaes; C. Nappi; R. Cristiano; D. Perez de Lara; M. Lisitskiy; E. Esposito/congresso_nome:7th European Conference on Applied Superconductivity EUCAS 2005/congresso_luogo:Vienna, Austria/congresso_data:2006/anno:2006/pagina_da:1307/pagina_a:1310/intervallo_pagine:1307–1310 |
| ISSN: | 1742-6596 1742-6588 |
| DOI: | 10.1088/1742-6596/43/1/319 |
| Popis: | We study a class of superconductive radiation detectors in which the absorption of energy occurs in a long superconductive strip while the readout stage is provided by superconductive tunnel junctions positioned at the two ends of the strip. This configuration has been extensively studied in the last years almost invariably using two superconducting materials one of which, with a lower gap, used to fabricate the junctions, has the role of a trap for the nonequilibrium quasiparticles. In this work we study in detail the signal formation and the performances of such a device based on a single superconducting material, i.e. one without traps. We show that the trap-free device is capable both of imaging and energy resolution. We calculate the detector response in the form of collected charges at the two junctions, for Ta and Al devices and discuss a few features, specific to the trap-free detector, which can facilitate a rapid characterization of the device before use under radiation. |
| Databáze: | OpenAIRE |
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