国家自然科学基金(10979055)

作品数：8被引量：8H指数：2
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相关作者：张凯袁清习王志立洪友丽朱佩平更多>>
相关机构：中国科学院中国科学技术大学更多>>
相关期刊：《Chinese Physics B》《核技术》《Chinese Physics C》《中国科学技术大学学报》更多>>
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基于X射线相衬成像技术的光栅品质无损检测（英文）
《中国科学技术大学学报》2016年第8期642-651,共10页张灿 王圣浩 韩华杰 杨萌 邵其刚 胡仁芳 高昆 刘刚 
Supported by the Major State Basic Research Development Program(2012CB825800);the Science Fund for Creative Research Groups(11321503);the Knowledge Innovation Program of the Chinese Academy of Sciences(KJCX2-YWN42);the National Natural Science Foundation of China(11179004,10979055,11205189,and 11205157);the Fundamental Research Funds for the Central Universities(WK2310000021)
提出了一种基于X射线光栅像衬成像技术的光栅品质无损检测方法.我们发现利用传统的吸收信号很容易检测到光栅电镀缺陷,而由非均匀紫外曝光导致的光栅缺陷则可以通过相衬信号进行检测.实验结果证明,在一种利用实验室光源同时产生吸收信...
关键词：X射线相衬成像 无损检测 光栅品质 工业运用 
Preliminary research on dual-energy X-ray phase-contrast imaging
《Chinese Physics C》2016年第4期141-148,共8页韩华杰 王圣浩 高昆 王志立 张灿 杨萌 张凯 朱佩平 
Supported by Major State Basic Research Development Program(2012CB825800);Science Fund for Creative Research Groups(11321503);National Natural Science Foundation of China(11179004,10979055,11205189,11205157)
Dual-energy X-ray absorptiometry（DEXA） has been widely applied to measure the bone mineral density（BMD） and soft-tissue composition of the human body. However, the use of DEXA is greatly limited for lowZ materials...
关键词：DEXA refraction replace grating pixel Talbot sorption downstream precise listed 
Experimental research on the feature of an x-ray Talbot–Lau interferometer versus tube accelerating voltage被引量：3
《Chinese Physics B》2015年第6期673-678,共6页王圣浩 Margie P.Olbinado Atsushi Momose 韩华杰 胡仁芳 王志立 高昆 张凯 朱佩平 吴自玉 
Project supported by the Major State Basic Research Development Program of China(Grant No.2012CB825800);the Science Fund for Creative Research Groups,China(Grant No.11321503);the National Natural Science Foundation of China(Grant Nos.11179004,10979055,11205189,and 11205157);the Japan–Asia Youth Exchange Program in Science(SAKURA Exchange Program in Science)Administered by the Japan Science and Technology Agency
X-ray Talbot-Lau interferometer has been used most widely to perform x-ray phase-contrast imaging with a con- ventional low-brilliance x-ray source, and it yields high-sensitivity phase and dark-field images of sample...
关键词：x-ray Talbot-Lau interferometer x-ray imaging PHASE-CONTRAST tube accelerating voltage x-ray tube 
A user-friendly nano-CT image alignment and 3D reconstruction platform based on Lab VIEW
《Chinese Physics C》2015年第1期103-108,共6页王圣浩 张凯 王志立 高昆 吴朝 朱佩平 吴自玉 
Supported by Major State Basic Research Development Program(2012CB825800);Science Fund for Creative Research Groups(11321503);Knowledge Innovation Program of The Chinese Academy of Sciences(KJCX2-YW-N42);National Natural Science Foundation of China(11179004,10979055,11205189,11205157);Fundamental Research Funds for the Central Universities(WK2310000021)
X-ray computed tomography at the nanometer scale （nano-CT） offers a wide range of applications in scientific and industrial areas. Here we describe a reliable, user-friendly, and fast software package based on LabVI...
关键词：nano-CT image alignment 3D reconstruction LABVIEW 
Penetrating view of nano-structures in Aleochara verna spermatheca and flagellum by hard X-ray microscopy被引量：2
《Chinese Physics B》2013年第7期410-414,共5页张凯 李德娥 洪友丽 朱佩平 袁清习 黄万霞 高昆 周红章 吴自玉 
the National Basic Research Program of China(Grant Nos.2012CB825800 and 2009CB930804);the Key Program of the National Natural Science Foundation of China(Grant Nos.10734070 and 10774144);the National Natural Science Foundation of China(Grant Nos.11205189,10979055,31071909,and 31272358);the Knowledge Innovation Program of the Chinese Academy of Sciences(Grant No.KJCX2-YW-N42)
A penetrating view of the three-dimensional nanostructure of female spermatheca and male flagellum in the species Aleochara verna is obtained with 100-nm resolution using a hard X-ray microscope, which provides a fast...
关键词：X-ray microscopy computed tomography synchrotron radiation source morphology 
Reconstructing a complex field from a series of its near-field diffraction patterns
《Chinese Physics B》2012年第10期260-264,共5页洪友丽 张凯 王志立 朱中柱 赵雪娇 黄万霞 袁清习 朱佩平 吴自玉 
Project supported by the National Basic Research Program of China (Grant Nos. 2012CB825800 and 2009CB930804);the Key Important Project of the National Natural Science Foundation of China (Grant No. 10734070);the National Natural Science Foundation of China (Grant Nos. 11179004 and 10979055);the Knowledge Innovation Program of the Chinese Academy ofSciences (Grant No. KJCX2-YW-N42)
We propose a method for reconstructing a complex field from a series of its near-field diffraction patterns.This method is based on the paraxial Fresnel diffraction equation without making further approximations.Numer...
关键词：phase imaging near field phase retrieval 
BSRF-4W1A纳米成像光束线调试被引量：1
《核技术》2010年第10期721-724,共4页袁清习 黄万霞 洪友丽 张凯 王志立 朱中柱 朱佩平 吴自玉 
国家重点基础研究专项经费(2009CB930804);国家自然科学基金(10979055)资助
为了给新建的30nm空间分辨成像系统提供稳定的5–12keV照明X射线,BSRF新建造了一条纳米成像光束线。该项目从2007年开始,目前已经完成光束线调试并投入使用。光束线各参数测试的结果表明,光束线主要性能达到了设计指标,可以满足后续纳...
关键词：同步辐射 纳米成像 光束线 在线调试 
Comparative analysis of phase extraction methods based on phase-stepping and shifting curve in grating interferometry被引量：2
《Chinese Physics B》2010年第4期173-179,共7页刘小松 李恩荣 朱佩平 刘宜晋 张凯 王志立 洪友丽 张慧滔 袁清习 黄万霞 吴自玉 
Project supported by the Key Program of the National Natural Science Foundation of China(Grant Nos.10490194 and 10734070); the National Natural Science Foundation of China(Grant Nos.10504033,10774144 and 10979055);the Knowledge Innovation Program of the Chinese Academy of Sciences(Grant No.KJCX2-YW-N42);the National Basic Research Program of China (Grant No.2009CB930804);the National Outstanding Youth Fund(Grant No.10125523)
Two phase extraction methods which are based separately on phase-stepping and shifting curve are mainly used in phase-sensitive imaging in gating interferometry to determine the x-ray phase shift induced by an object ...
关键词：x-ray phase sensitive imaging grating interferometer phase-stepping shifting curve 
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