An X-ray imaging device based on a GEM detector with delay-line readout

ZHOU Yi; LI Cheng; SUN Yong-Jie; SHAO Ming

doi:10.1088/1674-1137/34/1/014

Chinese Physics C> 2010, Vol. 34> Issue(1) : 78-82 DOI: 10.1088/1674-1137/34/1/014

An X-ray imaging device based on a GEM detector with delay-line readout

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Abstract：
An X-ray imaging device based on a triple-GEM (Gas Electron Multiplier) detector, a fast delay-line circuit with 700 MHz cut-off frequency and two dimensional readout strips with 150 μm width on the top and 250 μm width on the bottom, is designed and tested. The localization information is derived from the propagation time of the induced signals on the readout strips. This device has a good spatial resolution of 150 μm and works stably at an intensity of 10⁵Hz/mm² with 8~keV X-rays.

References

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ZHOU Yi, LI Cheng, SUN Yong-Jie and SHAO Ming. An X-ray imaging device based on a GEM detector with delay-line readout[J]. Chinese Physics C, 2010, 34(1): 78-82. doi: 10.1088/1674-1137/34/1/014

ZHOU Yi, LI Cheng, SUN Yong-Jie and SHAO Ming. An X-ray imaging device based on a GEM detector with delay-line readout[J]. Chinese Physics C, 2010, 34(1): 78-82. doi: 10.1088/1674-1137/34/1/014 shu

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Received: 2008-12-04
Revised: 2008-12-31

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

An X-ray imaging device based on a GEM detector with delay-line readout

Corresponding author: LI Cheng,

Received Date: 2008-12-04

Accepted Date: 2008-12-31

Available Online: 2010-01-05

Abstract:

An X-ray imaging device based on a triple-GEM (Gas Electron Multiplier) detector, a fast delay-line circuit with 700 MHz cut-off frequency and two dimensional readout strips with 150 μm width on the top and 250 μm width on the bottom, is designed and tested. The localization information is derived from the propagation time of the induced signals on the readout strips. This device has a good spatial resolution of 150 μm and works stably at an intensity of 10⁵Hz/mm² with 8~keV X-rays.

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An X-ray imaging device based on a GEM detector with delay-line readout

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