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    • 12. 发明申请
    • Lobster eye X-ray imaging system and method of fabrication thereof
    • 龙虾眼X射线成像系统及其制造方法
    • US20070025512A1
    • 2007-02-01
    • US11191095
    • 2005-07-27
    • Michael GertsenshteynThomas ForresterTomasz JannsonKang LeeGajendra Savant
    • Michael GertsenshteynThomas ForresterTomasz JannsonKang LeeGajendra Savant
    • G01N23/201
    • G01N23/203G21K1/06
    • A Lobster Eye X-ray Imaging System based on a unique Lobster Eye (LE) structure, X-ray generator, scintillator-based detector and cooled CCD (or Intensified CCD) for real-time, safe, staring Compton backscatter X-ray detection of objects hidden under ground, in containers, behind walls, bulkheads etc. In contrast to existing scanning pencil beam systems, Lobster Eye X-Ray Imaging System's true focusing X-ray optics simultaneously acquire ballistic Compton backscattering photons (CBPs) from an entire scene irradiated by a wide-open cone beam from one or more X-ray generators. The Lobster Eye X-ray Imaging System collects (focuses) thousands of times more backscattered hard X-rays in the range from 40 to 120 keV (or wavelength λ=0.31 to 0.1 Å) than current backscatter imaging sensors (BISs), giving high sensitivity and signal-to-noise ratio (SNR) and penetration through ground, metal walls etc. The collection efficiency of Lobster Eye X-ray Imaging System is optimized to reduce emitted X-ray power and miniaturize the device. This device is especially advantageous for and satisfies requirements of X-ray-based inspection systems, namely, penetration of the X-rays through ground, metal and other material concealments; safety; and man-portability. The advanced technology disclosed herein is also applicable to medical diagnostics and military applications such as mine detection, security screening and a like.
    • 基于独特龙虾眼(LE)结构的龙虾眼X射线成像系统,X射线发生器,基于闪烁体的检测器和冷却CCD(或强化CCD),用于实时,安全,凝视康普顿反向散射X射线检测 隐藏在地下的物体,容器,墙壁,舱壁等等。与现有的扫描笔束系统相比,龙虾眼X射线成像系统的真正的聚焦X射线光学器件同时从整个场景中获得弹道康普顿后向散射光子(CBP) 由来自一个或多个X射线发生器的宽开口锥形束照射。 龙虾眼X射线成像系统收集(聚焦)数千倍的背散射硬X射线,范围为40至120 keV(或波长λ= 0.31至0.1Å),比当前的后向散射成像传感器(BIS)高得多 灵敏度和信噪比(SNR),穿透地面,金属墙壁等。龙虾眼X射线成像系统的采集效率得到优化,可以减少放射X射线功率,使设备小型化。 该装置特别有利于并满足基于X射线的检测系统的要求,即通过地面,金属和其他材料隐藏穿透X射线; 安全; 和人的便携性。 本文公开的先进技术也适用于医疗诊断和军事应用,如矿山检测,安全检查等。