Transition edge X-ray sensors for industrial applications

We present the performance of transition edge sensors (TES) using Au/Ti bilayer (operating temperature 113 mK ) with fast decay time for industrial applications. The energy resolution was 9.2 eV for Mn K α1 (designed value 3.5 eV ) and the decay time 71 μs , yielding the count rate 2.3 kcps (count p...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2003-05, Vol.329, p.1619-1620
Main Authors: Tanaka, K., Morooka, T., Fujimoto, R., Ishisaki, Y., Takei, Y., Morita, U., Iyomoto, N., Oshima, T., Nakayama, S., Yamasaki, N., Koyanagi, M., Mitsuda, K., Ohashi, T., Chinone, K.
Format: Article
Language:English
Subjects:
Count rate
Energy resolution
Excess noise
Transition edge sensor
Online Access:Get full text
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Summary:We present the performance of transition edge sensors (TES) using Au/Ti bilayer (operating temperature 113 mK ) with fast decay time for industrial applications. The energy resolution was 9.2 eV for Mn K α1 (designed value 3.5 eV ) and the decay time 71 μs , yielding the count rate 2.3 kcps (count per sec). We found that the energy resolution was limited by excess noise. The excess noise increased in proportion to the inverse of TES resistance as decreasing the TES resistance from normal resistance. The source of excess noise might exist in the TES.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(02)02428-6