For rapid and efficient tests of novel X-rays optics, such as lithium-based compound refractive lenses, we have built a fast X-ray sensitive CCD imaging system. We report on the linearity, response and resolution of the microscope-based imaging system. For the low magnifications used here (X2-X10), we find that a thinly doped YAG screen has a poorer resolution than a thick YAG screen. We provide an example of its use in testing a new 2D focusing multiprism X-ray lens.
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