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inCiTe phase-contrast 台式微型CT扫描仪
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KA Imaging的台式微型CT扫描仪是市场上第一款X射线分析仪采用KA Imaging独家开发的新型高空间分辨率硒检测器技术。硒检测器的高检测效率在低X射线辐射剂量就可进行非常高速的采样。由于效率高,可以在全分辨率下获得前所未有的体积扫描速度。inCiTe微型CT扫描仪采用基于申请专利的传播相位对比法成像,可增强通常低X射线吸收的精细结构细节。相位对比法更合适成像低密度材料。此外,InCiTe 微型CT扫描仪配备了高质量的微焦X射线源,可实现无与伦比的分辨率。集成的软件控制和简化的用户界面可实现高度自动化并减少依赖操作员的交互。 inCiTe 微型CT扫描仪的尺寸和重量优化用于最小的占用空间,便于运输并方便地集成到实验室台式工作站中。
inCiTe 微型CT扫描仪适用于生物材料,聚合物复合材料和其他低密度材料。无论是临床前成像,无损检测(NDT),标本射线照相或添加剂制造材料的研究领域都可以从这项新成像技术中受益。

这一款新型微型CT扫描仪在完备的台式系统中具有高效,高分辨率的X射线成像,具有以下优势:
• 直接转换X射线探测器比闪烁体型探测器高出100倍
• 无光栅实时相位对比法 (phase-contrast)成像
• 高分辨率传统微CT成像
• 空间分辨率低至0.37 μma
• 快速单次扫描,3.2 mm视野,空间分辨率为0.6 μmb
• 高速处理器和图像显示硬件


相位对比法的优势
具有低X射线吸收或小吸收梯度的材料在使用常规X射线成像技术时会导致低对比度图像。然而,通过相位对比法的X射线成像后,灵敏度可大幅提高助于视化这些材料体。我们的相位对比法技术是基于X射线束的自由空间传播,将物平面处的X射线相位变化转换成图像平面中的X射线强度变化。基于传播的相位对比法X射线成像能够达到几个数量级的改善低X射线吸收的材料的可检测性。


What is Phase Contrast Technology?

Materials with poor X-ray absorption or small absorption gradients result in low image contrast using conventional X-ray imaging techniques. However, such object can be visualized with a much higher sensitivity in the phase-contrast X-ray imaging paradigm. In our case, phase-contrast is a direct result of free-space propagation of the X-ray beam, transforming X-ray phase changes at the object plane into X-ray intensity variations in the image plane. Propagation-based phase contrast X-ray imaging enables orders of improvement in detectability of materials with poor X-ray absorption.

 

Propagation Diagram

What is the inCiTe µCT?

The benchtop micro-CT scanner from KA Imaging is the first commercial X-ray CT scanner that utilizes high spatial resolution amorphous selenium (a-Se) detector technology exclusively developed by KA Imaging. The high detection efficiency of the a-Se detector enables very high-speed sampling at low X-ray radiation dose. Owing to the high efficiency, unprecedented volumetric scan speed can be obtained at full resolution. In addition, the inCiTe micro-CT scanner is designed with patent-pending propagation-based phase contrast imaging, allowing for imaging of low-density materials. This enhances details of fine structures that are typically X-ray transparent. Moreover, the InCiTe micro-CT is equipped with a high quality micro-focus X-ray source to achieve unparalleled resolution. Integrated software controls and simplified user interface enable a high degree of automation and reduce operator interaction. The size and weight of the inCiTe micro-CT scanner are designed for minimum footprint, ease of transportation, and convenient integration into laboratory benchtop stations.
The inCiTe micro-CT is ideal for use on biomaterials, polymer composites and other low-density materials. Research areas that can benefit from this technology include preclinical imaging, non-destructive testing (NDT), specimen radiography, and additive manufactured materials.

inCiTewhitebackground

First of its Kind

The novel micro-CT scanner features efficient, high resolution X-ray imaging in a compact benchtop system.

  • Direct conversion X-ray detector up to 100X more efficient than scintillator type detectors
  • Grating-less real-time phase-contrast imaging
  • High-resolution conventional micro-CT imaging
  • True spatial resolution as low as 1.4 µm¹, nominal resolution of 0.8 µm²
  • Fast single scan (300 projections) with 32 mm field of view in 12 seconds
  • High speed GPU processor and fast reconstruction


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