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Response function of angle signal in two-dimensional grating imaging
Ju ZQ(鞠在强); Wang Y(王研); Ju, ZQ; Wang, Y; Bao, Y; Li, PY; Zhu, ZZ; Zhang, K; Huang, WX; Yuan, QX; Zhu, PP; Wu, ZY; Li PY(李盼云); Zhu ZZ(朱中柱); Zhang K(张凯); Huang WX(黄万霞); Yuan QX(袁清习); Zhu PP(朱佩平); Wu ZY(吴自玉)
AbstractIn this paper, we derive the response function of angle signal in a two-dimensional X-ray grating interferometry system under the condition of parallel coherent light, and depict the surface of the function with Matlab. Although there are four kinds of commonly used beam splitter gratings and three kinds of analyzer gratings, and there are still different compound modes between them, we may find that the ultimate surface of the response function of angle signal can only be of three kinds: the peak type, the valley type, and the peak-valley symmetry type of shifting surfaces. As there is a numerical complementary ralationship between the peak type and the valley type of shifting surfaces, we can take the two kinds as one; and finally we only need to consider two kinds of shifting surface. This conclusion simplies the common understanding of the two-dimensional X-ray grating interferometry method, and lays the foundation for the research of quantitatively extracting the two-demensional signal in the future.
Keywordtwo-dimensional X-ray grating interferometry phase contrast imaging shifting surface shifting curve
Subject AreaPhysics
Indexed BySCI
WOS IDWOS:000336090000051
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Document Type期刊论文
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GB/T 7714
Ju ZQ,Wang Y,Ju, ZQ,et al. Response function of angle signal in two-dimensional grating imaging[J]. ACTA PHYSICA SINICA,2014,63(7):78701.
APA 鞠在强.,王研.,Ju, ZQ.,Wang, Y.,Bao, Y.,...&吴自玉.(2014).Response function of angle signal in two-dimensional grating imaging.ACTA PHYSICA SINICA,63(7),78701.
MLA 鞠在强,et al."Response function of angle signal in two-dimensional grating imaging".ACTA PHYSICA SINICA 63.7(2014):78701.
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