Prototype of the multi-pixel X-ray microcalorimeter

Hiroyuki Kudo ,M Onishi,U Morita,K Otake,T Koga,K Futamoto,Yoh Takei ,H Kobayashi ,Kunishiro Mori ,T Ichitsubo ,Yoshitaka Ishisaki ,Tetsuya Osaka ,Kazuhisa Mitsuda ,Kosuke Sato ,Yoshihiro Kuroda ,Hirotaka Sato ,Takayuki Homma ,Naoko Iyomoto ,T Nakamura ,R Fujimoto ,T Fujimori ,T Ohashi ,Takahiro Arakawa ,Noriko Y Yamasaki ,T Izumi ,T Oshima ,Shuichi Shoji ,S Ohtsuka

doi:10.1109/sensor.2003.1216963

Prototype of the multi-pixel X-ray microcalorimeter

Hiroyuki Kudo , M Onishi + Show 26 more

https://doi.org/10.1109/sensor.2003.1216963

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Publication Date: Jan 11, 2016

Citations: 3

Affiliation: Waseda University, Mitsubishi Heavy Industries (Japan), Tokyo Metropolitan University, Institute of Space and Astronautical Science

#X-ray Microcalorimeter #X-ray Micro + Show 8 more

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Abstract

An X-ray microcalorimeter is a noble X-ray spectrometer that can be used for photon counting with a high energy resolution comparable to the gratings. A 2/spl times/2 X-ray microcalorimeter array was fabricated and tested. Due to the purpose of imaging applications, we have applied so-called 'mushroom-shaped' X-ray micro absorber fabricated using two-step exposure and electrodeposition process. The energy resolution of 180 eV(FWHM) at 5.9 keV was obtained with the first prototype of the X-ray microcalorimeter array using Sn micro absorber. By using Bi absorber, it is estimated that the energy resolution can be improved up to 4.5 eV.

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