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- Title
The Magnetically-Tuned Transition-Edge Sensor.
- Authors
Sadleir, John E.; Sang-Jun Lee; Smith, Stephen J.; Busch, Sarah E.; Bandler, Simon R.; Adams, Joseph S.; Eckart, Megan E.; Chervenak, James A.; Kelley, Richard L.; Kilbourne, Caroline A.; Porter, Frederick S.; Porst, Jan-Patrick
- Abstract
We present the first measurements on the proposed magnetically-tuned superconducting transition-edge sensor and compare the modified resistive transition with the theoretical prediction (Sadleir et al., IEEE Trans App Supercond 23:2101405, ). A TES's resistive transition is customarily characterized in terms of the unitless device parameters α and β corresponding to the resistive response to changes in temperature and current respectively. We present a new relationship between measured IV quantities (sensor current I and voltage V) and the parameters α and β and use these relations to confirm we have stably biased a TES with negative β parameter with magnetic tuning. Motivated by access to this new unexplored parameter space, we investigate the conditions for bias stability of a TES taking into account both self and externally applied magnetic fields.
- Subjects
PARTICLE detectors; CRYOGENICS; MAGNETIC fields; SUPERCONDUCTING junction devices; RESISTIVE force; PARAMETER estimation
- Publication
Journal of Low Temperature Physics, 2014, Vol 176, Issue 3/4, p392
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-014-1194-5