Improvement of X-ray Imaging Storage by Nanofabrication
Improvement of X-ray Imaging Storage by Nanofabrication
批准号:
6438957
负责人:
WEI CHEN
金额:
$8.88万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-08-13 至 2003-08-12
中文摘要
描述(由申请人提供):Nomadics提出通过量子尺寸限制和纳米制造来提高BaFBr:Eu2+系统的X射线存储成像板的发光效率、灵敏度和分辨率。X射线存储器的工作原理
成像是光激发光(PSL)。在这个过程中,捕获的电荷被光子释放,并通过复合产生发光。BaFBr:Eu 2+成像板系统由于阅读激光和发射光两者的散射而具有低分辨率。光散射是由于磷光体晶粒尺寸、形状和边界,
以及表面粗糙度。纳米粒子的使用将减少光散射,提高图像质量和分辨率。除了医学成像应用外,该技术还将用于无损检测、安全和其他使用X射线系统的领域。
拟议的商业应用:拟议的技术将带来更高分辨率的X射线成像,同时降低成本并减少浪费。 这种能力将在医疗应用、测试、工业检测、安全系统和涉及X射线系统的其他应用中非常有用。
英文摘要
DESCRIPTION (provided by applicant): Nomadics proposes to improve the luminescence efficiency, sensitivity, and resolution of X-ray storage imaging plates of BaFBr:Eu2+ systems via quantum size confinement and nano-fabrication. The working principle of X-ray storage
imaging is photostimulated luminescence (PSL). In this process, trapped charges are released by photons and produce luminescence through recombination. The BaFBr:Eu2+ imaging plate system suffers from low resolution due to the scattering of both the reading laser light and the emission light. The light scattering is due to the phosphor grain size, shape, and boundary as
well as surface roughness. The use of nanoparticles will reduce the light scattering and improve image quality and resolution. In addition to medical imaging applications, this technology will be useful in nondestructive testing, security, and other fields that use X-ray systems.
PROPOSED COMMERCIAL APPLICATION: The proposed technology will result in higher-resolution X-ray imaging with lower costs and reduced waste. This capability will be useful in medical applications, testing, industrial inspection, security systems, and other applications involving X-ray systems.
期刊论文(6)
专著(0)
科研奖励(0)
会议论文
DOI:
10.1021/jp050317r
发表时间:
2005-06
期刊:
The journal of physical chemistry. B
影响因子:
--
作者:
[Wei Chen;N. Kristianpoller;A. Shmilevich;D. Weiss;R. Chen;M. Su]
通讯作者:
Wei Chen;N. Kristianpoller;A. Shmilevich;D. Weiss;R. Chen;M. Su
DOI:
10.1166/jnn.2007.125
发表时间:
2007-02
期刊:
Journal of nanoscience and nanotechnology
影响因子:
--
作者:
[Yongbin Zhang;Wei Chen;Jun Zhang;Jing Liu;Guangping Chen;C. Pope]
通讯作者:
Yongbin Zhang;Wei Chen;Jun Zhang;Jing Liu;Guangping Chen;C. Pope
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