Distributed Read-Out Imaging Devices for X-ray imaging spectroscopy

被引：19

作者：

den Hartog, R ^{[1
]}

Martin, D ^{[1
]}

Kozorezov, A ^{[1
]}

Verhoeve, P ^{[1
]}

Rando, N ^{[1
]}

Peacock, A ^{[1
]}

Brammertz, G ^{[1
]}

Krumrey, M ^{[1
]}

Goldie, DJ ^{[1
]}

Venn, R ^{[1
]}

机构：

[1] European Space Agcy, Estec, Dept Space Sci, Div Astrophys, NL-2200 AG Noordwijk, Netherlands

来源：

X-RAY OPTICS, INSTRUMENTS, AND MISSIONS III | 2000年 / 4012卷

关键词：

superconducting tunnel junctions; X-ray detectors; X-ray imaging; X-ray spectroscopy; DROID; XEUS;

D O I：

10.1117/12.391559

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

We present an experimental study of the performance of Distributed Read-Out Imaging Devices (DROIDs), 1- and 2-dimensional photon-counting imaging spectrometers, based on Ta/Al-based STJs placed on a Ta absorber. Results obtained with highly collimated illumination with 10 keV X-ray photons clearly demonstrate the imaging capabilities of 2-dimensional DROIDs. The derived spatial FWHM resolution is 7 mu m for a 200 x 200 mu m(2) absorber. With a 1-D DROID we have measured an intrinsic energy resolution of 15 eV FWHM for 6 keV photons. At high energies (E > 6 keV) the resolution is limited by spatial fluctuations in the qp recombination rate.

引用

页码：237 / 248

页数：12

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