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Dependence of Excess Noise on the Partial Derivatives of Resistance in Superconducting Transition Edge Sensors.
- Source :
- AIP Conference Proceedings; 12/16/2009, Vol. 1185 Issue 1, p31-33, 3p
- Publication Year :
- 2009
-
Abstract
- We have measured the relation between sensor noise and the steepness (α = <FRACTION><NUM>T</NUM><DEN>R</DEN></FRACTION>· and β = <FRACTION><NUM>I</NUM><DEN>R</DEN></FRACTION>·<FRACTION><NUM>dR</NUM><DEN>dI</DEN></FRACTION>) of the superconducting transition for various superconducting transition edge sensors. The measurements are performed on square Mo/Cu bilayer thermistors of three sizes (125 μm, 250 μm and 400 μm), which are fabricated for X-ray detection. We have identified the devices in two regimes: a) α>100 and b) α<100. The devices with α smaller than 100 strictly follow non-linear bolometer and micro-calorimeter noise theory while in most devices with α greater than 100, we see an unexplained noise contribution. [ABSTRACT FROM AUTHOR]
- Subjects :
- DETECTORS
INFRARED detectors
ELECTRIC resistors
OPTICAL detectors
THERMISTORS
Subjects
Details
- Language :
- English
- ISSN :
- 0094243X
- Volume :
- 1185
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- AIP Conference Proceedings
- Publication Type :
- Conference
- Accession number :
- 47200666
- Full Text :
- https://doi.org/10.1063/1.3292343