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15 October 2012 Coded aperture imaging for fluorescent x-rays
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Abstract
We employ a coded aperture pattern in front of a charge couple device (CCD) pixilated detector to image fluorescent xrays (6-25KeV) from samples irradiated with synchrotron radiation. Coded apertures encode the angular direction of xrays, and given a known source plane, allow for a large Numerical Aperture x-ray imaging system. The algorithm to develop the free standing coded aperture pattern of the Non-Two-Holes-Touching (NTHT) was developed. The algorithms to reconstruct the x-ray image from the encoded pattern recorded are developed by means of modeling and confirmed by experiments on standard samples. Spatial resolution and efficiency are determined for the next development stage whereby an energy resolving pixilated CCD will be deployed allowing for elemental imaging.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Haboub, A. A. MacDowell, S. Marchesini, and D. Y. Parkinson "Coded aperture imaging for fluorescent x-rays", Proc. SPIE 8502, Advances in X-Ray/EUV Optics and Components VII, 850209 (15 October 2012); https://doi.org/10.1117/12.981244
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