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

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

    Corresponding author: LI Cheng,

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 105 Hz/mm2 with 8~keV X-rays.

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