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11 March 2005 The boundary of x-ray and electron tomography
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Samples a few micrometers in total size offer a challenge to both x-ray and electron tomography. X-ray tomography originated imaging the human body with millimeter resolution, but the resolution has been reduced by over 7 orders of magnitude by the use of synchrotron sources and Fresnel zone plates, leading to an achieved resolution of 20 nm in favorable cases. Further progress may require phase retrieval. Electron tomography originated on very thin samples (perhaps 100 nm thick) but recently samples of over 1 micrometer have been studied with conventional instruments. The study of thicker samples requires understanding tomography in the multiple scattering regime.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zachary H. Levine "The boundary of x-ray and electron tomography", Proc. SPIE 5674, Computational Imaging III, (11 March 2005);


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