SIN tunnel junction as a temperature sensor

D. Golubev; Leonid S. Kuzmin; Magnus Willander

doi:10.1117/12.344574

7 April 1999 SIN tunnel junction as a temperature sensor

D. Golubev, Leonid S. Kuzmin, Magnus Willander

Proceedings Volume 3629, Photodetectors: Materials and Devices IV; (1999) https://doi.org/10.1117/12.344574
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

The current-voltage characteristics of a superconductor-normal metal tunnel junction (SIN) is very sensitive to the temperature of the normal metal. Therefore SIN junction can be used as a thermometer which can be conveniently integrated into more complicated devices, for example bolometers. We estimate the effect of different types of noise on the sensitivity of such a thermometer. Shot noise of the tunnel junction, amplifier noise and the noise related to the fluctuations of the heat flow through the junction are considered. The performance of the bolometer with SIN junction as a temperature sensor is also discussed.

Citation Download Citation

D. Golubev, Leonid S. Kuzmin, and Magnus Willander "SIN tunnel junction as a temperature sensor", Proc. SPIE 3629, Photodetectors: Materials and Devices IV, (7 April 1999); https://doi.org/10.1117/12.344574

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