What resolution do the UT scanners have?
Again, this depends largely on sample characteristics, of which size is the most directly influential. A useful benchmark is that the images we collect are at most 1024×1024 pixels, and the entire sample must fit within the scan field of view. Thus, insofar as it takes a few pixels on a computer image to distinguish a feature, our maximum resolution is correspondingly a few 1024th’s of the maximum dimension of the object in the scan plane. The optimal number of pixels in an image roughly corresponds to the number of channels in the detector being used, which in most high-energy scans will be 512, and 1024 on our micro-focal and Xradia systems. The Xradia can generate 2048×2048-pixel images, but this requires quadrupled acquisition time.
