Nonequilibrium theory of a hot-electron bolometer with normal metal-insulator-superconductor tunnel junction
作者： Dmitri Golubev , Leonid Kuzmin
DOI: 10.1063/1.1351002
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摘要: The operation of the hot-electron bolometer with normal metal-insulator-superconductor (NIS) tunnel junction as a temperature sensor is analyzed theoretically. responsivity and noise equivalent power (NEP) are obtained numerically for typical experimental parameters. Relatively simple approximate analytical expressions these values derived. time constant device also found. We demonstrate that effect electron cooling by NIS junction, which serves thermometer, can improve sensitivity. This useful in presence finite background load. discuss correlation shot heat flow junction.
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