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An application of electrothermal feedback for high resolution cryogenic particle detection

Irwin, K. D.·1995·Applied Physics Letters

Abstract

A novel type of superconducting transition edge sensor is proposed. In this sensor, the temperature of a superconducting film is held constant by feeding back to its position on the resistive transition edge. Energy deposited in the film is measured by a reduction in the feedback Joule heating. This mode of operation should lead to substantial improvements in resolution, linearity, dynamic range, and count rate. Fundamental resolution limits are below ΔE=√kT2C, which is sometimes incorrectly referred to as the thermodynamic limit. This performance is better than any existing technology operating at the same temperature, count rate, and absorber heat capacity. Applications include high resolution x-ray spectrometry, dark matter searches, and neutrino detection.

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Metadata

Authors
Irwin, K. D.
Venue
Applied Physics Letters
Published
1995-04-10
Volume
66
Issue
15
Pages
1998-2000
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1979659160
Cited by
685
References
0
FWCI
11.84
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: An application of electrothermal feedback for high resolution cryogenic particle detection. https://app.cochat.ai/papers/10.1063/1.113674
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Irwin, K. D. (1995). An application of electrothermal feedback for high resolution cryogenic particle detection. Applied Physics Letters. https://doi.org/10.1063/1.113674

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.