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The effect of alignment precision in neutron penumbral imaging

Zhao Zong-Qing Ding Yong-Kun Hao Yi-Dan Yuan Yong-Teng Pu Yi-Kang

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The effect of alignment precision in neutron penumbral imaging

Zhao Zong-Qing, Ding Yong-Kun, Hao Yi-Dan, Yuan Yong-Teng, Pu Yi-Kang
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  • Based on Monte Carlo simulation of neutron penumbral imaging,the linear space invariance is researched. In the field of view,the points broadening linearly depends on the axial distance on the object plane,but the integrated intensity keeps linear space invariance. Using this result,the alignment precision is analyzed. The axial error of the targets center on the object plane should be controlled within 50μm. The point source should be less than 300μm away from the object plane. The aperture rotation should be within 0.1mrad.
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  • Abstract views:  6909
  • PDF Downloads:  958
  • Cited By: 0
Publishing process
  • Received Date:  17 November 2007
  • Accepted Date:  17 December 2007
  • Published Online:  20 September 2008

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