Percolation model of excess electrical noise in transition-edge sensors

M. A. Lindeman*, M. B. Anderson, S. R. Bandler, N. Bilgri, J. Chervenak, S. Gwynne Crowder, S. Fallows, E. Figueroa-Feliciano, F. Finkbeiner, N. Iyomoto, R. Kelley, C. A. Kilbourne, T. Lai, J. Man, D. McCammon, K. L. Nelms, F. S. Porter, L. E. Rocks, T. Saab, J. SadleirG. Vidugiris

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


We present a geometrical model to describe excess electrical noise in transition-edge sensors (TESs). In this model, a network of fluctuating resistors represents the complex dynamics inside a TES. The fluctuations can cause several resistors in series to become superconducting. Such events short out part of the TES and generate noise because much of the current percolates through low resistance paths. The model predicts that excess white noise increases with decreasing TES bias resistance (R/RN) and that perpendicular zebra stripes reduce noise and alpha of the TES by reducing percolation.

Original languageEnglish (US)
Pages (from-to)715-717
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number2
StatePublished - Apr 14 2006


  • Beta
  • Calorimeter
  • Non-Ohmic resistor
  • Percolation
  • Reduced excess noise
  • Resistor network
  • Superconductor
  • Transition edge sensor

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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