A Prototype of X-Ray Imaging Based on the GEM Detector

LI Cheng; SUN Yong-Jie; ZHOU Yi; AN Shao-Hui; XU Zi-Zong

Chinese Physics C> 2005, Vol. 29> Issue(1) : 68-71

A Prototype of X-Ray Imaging Based on the GEM Detector

Dept of Modern Physics,University of Science and Technology of China,Hefei 230027,China

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Abstract：
A prototype of X-ray imaging device based on triple Gas Electron Multiply detector is studied,which has an effective gain up to 10⁵ and can be used in high rate X-rays imaging.The precise method of micro–strip readout is designed for X-rays localization, and the crate controller of high–speed SCSI interface is applied for the data acquisition.The test results show that the position resolution of measurement system is less than 90μm and the stability of its effective gain is better than 1% under the X-ray flux of 10⁵Hz/mm².

References

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. Sauli F. Nucl. Instrum. Methodr, 1997, A386: 5312. Sauli F. Nucl. Instrum. Methodr, 2003, A505: 1953. Bachmann S, Bressan A et al . Nucl. Instrum. Methodr, 1999, A438:3764. ZHOU Yi, LI Cheng et al. HEPNP, 2004, 28( 3) : 2995. SUN Yong-Jie, LI Cheng et al. Nuclear Electronics Det ection Technology, 2004, 24( 1) : 19

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LI Cheng, SUN Yong-Jie, ZHOU Yi, AN Shao-Hui and XU Zi-Zong. A Prototype of X-Ray Imaging Based on the GEM Detector[J]. Chinese Physics C, 2005, 29(1): 68-71.

LI Cheng, SUN Yong-Jie, ZHOU Yi, AN Shao-Hui and XU Zi-Zong. A Prototype of X-Ray Imaging Based on the GEM Detector[J]. Chinese Physics C, 2005, 29(1): 68-71. shu

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Received: 2004-05-08
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

A Prototype of X-Ray Imaging Based on the GEM Detector

Corresponding author: LI Cheng,

Dept of Modern Physics,University of Science and Technology of China,Hefei 230027,China

Received Date: 2004-05-08
Accepted Date: 1900-01-01
Available Online: 2005-01-05

Abstract: A prototype of X-ray imaging device based on triple Gas Electron Multiply detector is studied,which has an effective gain up to 10⁵ and can be used in high rate X-rays imaging.The precise method of micro–strip readout is designed for X-rays localization, and the crate controller of high–speed SCSI interface is applied for the data acquisition.The test results show that the position resolution of measurement system is less than 90μm and the stability of its effective gain is better than 1% under the X-ray flux of 10⁵Hz/mm².