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Development FD-SOI MOSFET amplifiers for integrated read-out circuit of superconducting-tunnel-junction single-photon-detectors
[article]
2015
arXiv
pre-print
We proposed a new high resolution single photon infrared spectrometer for search for radiative decay of cosmic neutrino background(CνB). The superconducting-tunnel-junctions(STJs) are used as a single photoncounting device. Each STJ consists of Nb/Al/Al_xO_y/Al/Nb layers and their thicknesses are optimized for the operation temperature at 370 mK cooled by a ^3He sorption refrigerator. Our STJs achieved the leak current 250 pA and the measured data implies that a smaller area STJ fulfills our
arXiv:1507.07424v1
fatcat:pzexdvsia5bcdkvdzjxpo4ambm