Direct X-Ray Imaging Of Mu M Precision Using Back-Illuminated Charge-Coupled Device
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS(2002)
摘要
A charge-coupled device (CCD) is a standard imager in optical region in which the image quality is limited by its pixel size. CCDs also function in X-ray region but with substantial differences in performance. An optical photon generate,, only one electron while an X-ray photon generates many electrons at a time. We developed a method to precisely determine the X-ray point of interaction with subpixel resolution. In particular, we found that a back-illuminated CCD efficiently function,., as a title imager. We present here the validity of our method through an actual imaging, experiment.
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关键词
charge-coupled device, X-ray imaging, subpixel spatial resolution, mesh experiment
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