Tantalum superconducting tunnel junctions for infrared photon counting

Abstract

Superconducting Tunnel Junctions (STJ) are currently being developed as photon detectors for a wide range of applications. Interest comes from their ability to cumulate photon counting with chromaticity (i.e. energy resolution) from the Near InfraRed (NIR) to the X rays wavelengths and excellent quantum efficiency up to 80%. Resolving power can reach more… (More)

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