Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models

The responsivity and noise of a voltage-biased superconducting transition-edge sensor depends strongly on the details of its thermal model, and the simplest theory for TES response assumes a single heat capacity connected to the heat bath. Here, analytical results are derived and discussed for the c...

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Main Author: I. J. Maasilta
Format: Article
Language:English
Published: AIP Publishing LLC 2012-12-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4759111
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spelling doaj-41691c0fa88e41e4bab3040a984bc8952020-11-25T01:56:59ZengAIP Publishing LLCAIP Advances2158-32262012-12-0124042110042110-2110.1063/1.4759111010204ADVComplex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal modelsI. J. Maasilta0Nanoscience Center, Department of Physics, P. O. Box 35, FIN-40014 University of Jyväskylä, FinlandThe responsivity and noise of a voltage-biased superconducting transition-edge sensor depends strongly on the details of its thermal model, and the simplest theory for TES response assumes a single heat capacity connected to the heat bath. Here, analytical results are derived and discussed for the complex impedance, the responsivity and the noise of a transition-edge sensor, when the thermal model is not simple but consists of either two or three connected heat capacities. The implications of the differences of the models are discussed, as well.http://dx.doi.org/10.1063/1.4759111
collection DOAJ
language English
format Article
sources DOAJ
author I. J. Maasilta
spellingShingle I. J. Maasilta
Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
AIP Advances
author_facet I. J. Maasilta
author_sort I. J. Maasilta
title Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
title_short Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
title_full Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
title_fullStr Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
title_full_unstemmed Complex impedance, responsivity and noise of transition-edge sensors: Analytical solutions for two- and three-block thermal models
title_sort complex impedance, responsivity and noise of transition-edge sensors: analytical solutions for two- and three-block thermal models
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2012-12-01
description The responsivity and noise of a voltage-biased superconducting transition-edge sensor depends strongly on the details of its thermal model, and the simplest theory for TES response assumes a single heat capacity connected to the heat bath. Here, analytical results are derived and discussed for the complex impedance, the responsivity and the noise of a transition-edge sensor, when the thermal model is not simple but consists of either two or three connected heat capacities. The implications of the differences of the models are discussed, as well.
url http://dx.doi.org/10.1063/1.4759111
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