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An introduction to superconducting tunnel junction detectors

机译:超导隧道结检测器简介

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Superconducting tunnel junction (STJ) detectors have potential as ultra-high-energy resolution detectors, Recently, single-junction detectors, where radiation is directly absorbed and detected by an STJ, have shown much higher energy resolutions than semiconductor detectors even at high count rates of over 10(4) counts per second, e,g, resolutions of 12 eV for 5.9 keV x-rays, 6 eV for 277 eV x-rays and 0.2 eV for 2 eV optical photons. The energy resolutions of series-junction detectors, where radiation is absorbed by a single-crystal substrate and the resulting non-thermal phonons are detected by STJs connected in series on the substrate, are not Set better than those of semiconductor detectors but are improving rapidly. This paper briefly introduces some principles of STJ detectors and reviews their recent developments, Copyright (C) 2000 John Wiley & Sons, Ltd. [References: 43]
机译:超导隧道结(STJ)探测器具有超高能分辨率探测器的潜力,最近,单结探测器直接由STJ吸收和检测辐射,即使在高计数率下,也显示出比半导体探测器更高的能量分辨率。每秒超过10(4)个计数,例如5.9 keV x射线的分辨率为12 eV,277 eV x射线的分辨率为6 eV,2 eV光学光子的分辨率为0.2 eV。串联结检测器的能量分辨率(其辐射被单晶衬底吸收,并且所产生的非热声子被串联连接在衬底上的STJ检测)的能量分辨率设置不比半导体检测器好,但正在迅速提高。本文简要介绍了STJ检测器的一些原理并回顾了它们的最新发展,版权所有(C)2000 John Wiley&Sons,Ltd. [参考:43]

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