Operation of a separated-type x-ray interferometer for phase-contrast x-ray imaging

被引:37
作者
Yoneyama, A [1 ]
Momose, A
Seya, E
Hirano, K
Takeda, T
Itai, Y
机构
[1] Hitachi Ltd, Adv Res Lab, Hatoyama, Saitama 3500395, Japan
[2] Hitachi Ltd, Cent Res Lab, Tokyo 1858601, Japan
[3] High Energy Accelerator Res Org, Inst Mat Struct Sci, Tsukuba, Ibaraki 3050801, Japan
[4] Univ Tsukuba, Inst Clin Med, Tsukuba, Ibaraki 3508575, Japan
关键词
D O I
10.1063/1.1150116
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Aiming at large-area phase-contrast x-ray imaging, a separated-type x-ray interferometer system was designed and developed to produce 25 x 20 mm interference patterns. The skew-symmetric optical system was adopted because of the feasibility of alignment. The rotation between the separated crystal blocks was controlled within a drift of 0.06 nrad using a feedback positioning system. This interferometer generated a 25 x 15 mm interference pattern with 0.07 nm synchrotron x-rays. A slice of a rabbit's kidney was observed, and its tubular structure could be revealed in a measured phase map. (C) 1999 American Institute of Physics. [S0034-6748(99)05112-6].
引用
收藏
页码:4582 / 4586
页数:5
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