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

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 Styca...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2009-06, Vol.19 (3), p.540-543
Main Authors: Damayanthi, R., Leman, S.W., Takahashi, H., Ohno, M., Minamikawa, Y., Nishimura, K., Iyomoto, N.
Format: Article
Language:English
Subjects:
Applied sciences
Bulk Pb absorber
Detectors
Electrical engineering. Electrical power engineering
Electromagnets
Electrons
Energy resolution
Engineering management
Exact sciences and technology
Extraterrestrial measurements
Gamma ray detectors
gamma-ray spectroscopy
General equipment and techniques
Gold
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Iridium
Lead
Lead (metal)
Physics
Sensors
Sensors (chemical, optical, electrical, movement, gas, etc.)
remote sensing
Space technology
Spectroscopy
Superconductivity
Thermometers
Tin
transition-edge sensors
Various equipment and components
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Summary: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.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2009.2019295