Development of a Gamma-Ray Detector With Iridium Transition Edge Sensor Coupled to a Pb Absorber

被引：8

作者：

Damayanthi, Rathnayaka Mudiyanselage Thushara ^{[1
]}

Leman, Steven W.

Takahashi, Hiroyuki ^{[1
]}

Ohno, Masashi ^{[1
,2
]}

Minamikawa, Yasuhiro ^{[1
]}

Nishimura, Kentaro ^{[1
]}

Iyomoto, Naoko ^{[1
]}

机构：

[1] Univ Tokyo, Dept Nucl Engn & Management, Bunkyo Ku, Tokyo 1138656, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Tokyo, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2009年 / 19卷 / 03期

关键词：

Bulk Pb absorber; gamma-ray spectroscopy; iridium; transition-edge sensors; MICROCALORIMETER; ARRAY;

D O I：

10.1109/TASC.2009.2019295

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have recently started to develop a high-resolution gamma-ray spectrometer for material defect analysis. Our gamma-ray detector is a microcalorimeter consisting of an iridium/gold bilayer transition edge sensor (TES) thermometer and a bulk Pb absorber, which is directly coupled to a TES with Stycast 2850FT epoxy. This paper describes our TES based gamma-ray detector and the first experimental results for 662 keV and 1173 keV incident gamma-rays. We report an energy resolution of 4.7 keV at 662 keV and 2.9 keV at 1173 keV.

引用

页码：540 / 543

页数：4

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