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	Visibility studies of grating-based neutron phase contrast and dark-field imaging by using partial coherence theory
	Lee, Seung Wook ; Zhou, Yu ; Zhou, Tie ; Jiang, Ming ; Kim, Jongyul ; Ahn, Chi Won ; Louis, Alfred K.
	2013
关键词	Grating-based neutron interferometer Visibility Partial coherence theory RAY INTERFEROMETER
英文摘要	Visibility is a crucial figure of merit for grating-based neutron phase contrast and dark-field imaging, and estimating it is important for imaging system design. In this paper, we study the visibility under polychromatic illumination by using partial coherence theory. Theoretically, we establish a model to predict the visibility for various cases. Experimental data are also measured by using polychromatic thermal neutron beam line to generate the visibility. Comparisons between the two show that our theoretical predictions and the experimental results agree with a probability higher than 70%.; Physics, Multidisciplinary; SCI(E); 1; ARTICLE; 11; 2093-2097; 63
语种	英语
出处	SCI
出版者	journal of the korean physical society
内容类型	其他
源URL	[http://hdl.handle.net/20.500.11897/219152]
专题	数学科学学院
推荐引用方式 GB/T 7714	Lee, Seung Wook,Zhou, Yu,Zhou, Tie,et al. Visibility studies of grating-based neutron phase contrast and dark-field imaging by using partial coherence theory. 2013-01-01.

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