Cryogenic calorimeter based on a superconducting phase transition thermometer with thermal feedback and SQUID read out

Oliver Meier, Franz Pröbst, Wolfgang Seidel, Monica Sisti, Sergey V. Uchaikin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Cryogenic calorimeters with superconducting phase transition (SPT) thermometers are extremely sensitive particle detectors. Some characteristics of SPT calorimeters such as linearity and dynamic range often suffer from the superconducting transition shape. The common way to improve the performances is to use the voltage bias to operate the SPT calorimeter in strong electrothermal feedback mode. This method does not allow us to optimize the noise, linearity and dynamic properties simultaneously. We have developed a novel SQUID circuit with thermal feedback which allows to improve the linearity, dynamic range and speed of the SPT calorimeter. Results obtained with a cryogenic calorimeter based on a tungsten thermometer are presented.

Original languageEnglish
Pages (from-to)1033-1035
Number of pages3
JournalSuperconductor Science and Technology
Volume12
Issue number11
DOIs
Publication statusPublished - Nov 1999
Externally publishedYes

Fingerprint

Thermometers
SQUIDs
thermometers
Calorimeters
Cryogenics
cryogenics
calorimeters
Phase transitions
Feedback
linearity
dynamic range
Particle detectors
Tungsten
radiation counters
Bias voltage
dynamic characteristics
tungsten
Hot Temperature
Networks (circuits)
electric potential

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics

Cite this

Cryogenic calorimeter based on a superconducting phase transition thermometer with thermal feedback and SQUID read out. / Meier, Oliver; Pröbst, Franz; Seidel, Wolfgang; Sisti, Monica; Uchaikin, Sergey V.

In: Superconductor Science and Technology, Vol. 12, No. 11, 11.1999, p. 1033-1035.

Research output: Contribution to journalArticle

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