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30 August 1993 The noise and optimum operating temperature of high Tc superconducting infrared bolometer
Juxin Chen
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Proceedings Volume 2104, 18th International Conference on Infrared and Millimeter Waves; 21040K (1993) https://doi.org/10.1117/12.2298452
Event: 18th International Conference on Infrared and Millimeter Waves, 1993, Colchester, United Kingdom
Abstract
The temperature and the bias current dependence of noise as well asthe noise spectrum for high Tc superconducting infrared bolometer(HTSIB) have been investigated. The influence of the bolometer structureon device noise has been discussed. The responsibility spectrum and thedetectivity D * spectrum for HTSIB has also been obtained. The optimumoperating temperature has been determined,that is between Tco(zero—re- sistance temperature) and Tcm(the temperature at mid transition point). theperformances of our HTSIB are D * (500,10,1) = 3.7 x 109cmHz1 2W-landnoise equivalent power NEP(500,10,1)= 2.4 x 10-11wHz-1/2.
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Juxin Chen "The noise and optimum operating temperature of high Tc superconducting infrared bolometer", Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21040K (30 August 1993); https://doi.org/10.1117/12.2298452
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KEYWORDS
Infrared bolometers
Superconductors
Technetium
Physics
Bolometers
Electronics
Lithium
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