基于光锥耦合的X射线像增强器  

X-Ray Image Device Based on Optical Fiber Taper Coupling

作　　者：闫晓梅[1] 王志社[2] 

机构地区：[1]太原科技大学电子信息工程学院,山西太原030024 [2]太原科技大学应用科学学院,山西太原030024

出　　处：《光学学报》2010年第5期1478-1482,共5页Acta Optica Sinica

基　　金：2008年太原科技大学校青年基金(20083012)资助课题

摘　　要：利用光锥的无畸变传输特性,将它作为光学中继元件,以光敏胶为耦合介质,把X射线像增强器和电荷耦合器件(CCD)耦合起来,组成X射线成像器件。探讨了光锥与CCD的耦合工艺,给出了耦合过程中的关键技术并通过实验分析了空气和光敏胶作为耦合介质对光锥与CCD耦合效率的影响。实验表明,X射线成像器件的空间分辨率达到3.5 lp/mm,对人体的X射线透视成像效果好,能够满足小幅面的医学成像和无损检测的要求。Using the nondistortion transport property of optical fiber taper and taking it as the optical relay component,X-ray image intensifier and charge coupled device（CCD） are coupled into X-ray image device by photosensitive adhesive as the coupling medium.The influences on coupling efficiency of optical fiber taper and CCD coupled by the coupling medium of air and photosensitive adhesive are analyzed,the coupling crafts are discussed and the key coupling techniques are given out.Experiments show that the spatial resolution of X-ray image device can reach as high as 3.5 lp/mm,which has good perspective images of human body and can meet the demands of small medical imaging as well as nondestructive testing.

关 键 词：光学器件 光锥 X射线像增强器 电荷耦合器件 耦合 

分 类 号：O434.12[机械工程—光学工程] R318.6[理学—光学]