用大块半绝缘砷化镓探测器记录热等离子体的快中子发射

2008 International Conference on Advanced Semiconductor Devices and Microsystems Pub Date : 2008-10-01 DOI:10.1109/ASDAM.2008.4743342

F. Dubecký, L. Ryć, J. Kaczmarczyk, M. Scholz, B. Zat’ko, P. Boháček, J. Huran, M. Ladzianský

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引用次数: 0

摘要

介绍了高密度聚乙烯(HDPE)覆盖半绝缘GaAs材料的中子探测器技术。对探测器进行了反应堆中子损伤和α探测试验。制备的探测器用于记录热等离子体发射的中子。为了提高灵敏度和实现对软x射线背景信号的不敏感，采用桥式电路连接四个探测器。提出并讨论了第一批结果。

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Registration of fast neutrons emissions from hot plasmas by bulk semi-insulating GaAs detectors

Technology of neutron detectors based on semi-insulating (SI) GaAs covered by high density polyethylene (HDPE) is described. The detectors are tested for reactor neutron damage and detection of alpha. Fabricated detectors are applied for registration of neutrons emitted by hot plasmas. To increase sensitivity and achieve insensitivity to background signals from soft X-and -rays four detectors connected in bridge circuit are used. First results are presented and discussed.

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2008 International Conference on Advanced Semiconductor Devices and Microsystems

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