Thermo-electric charge-to-voltage converter with superconductor-insulator-normal tunnel junction for bolometer applicationsстатья
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Дата последнего поиска статьи во внешних источниках: 4 сентября 2014 г.
Аннотация:A novel type of the zero-biased thermo-electric bolometer (TEB) is proposed. The bolometer is based on a charge-to-voltage converter (CVC) with a superconductor-insulator-normal (SIN) tunnel junction and a superconducting absorber. The absorption of photons in the absorber leads to excitation of quasiparticles with some fraction of charge imbalance, tunneling through the SIN junction in zero-biased mode and generation of voltage. The thermoelectric voltage is determined by accumulation of tunneling charge in an external capacitance. Conversion efficiency is very high and voltage values comparable with a superconducting gap are easily achieved. The zero-biased CVC-TEB can be effectively used for creation of an array of bolometers and multi-pixel detection systems. (C) 2010 Elsevier B.V. All rights reserved.