N. J. Cherepyhttps://orcid.org/0000-0001-8561-923X,1 Z. M. Seeley,1 S. Hok,1 D. Schneberk,1 P. Kerr,2 S. P. O'Neal,1 I. Oksuz,3 M. Bisbee,3 L. R. Cao,3 S. A. Payne,1 R. D. Sanner,1 G. Stone,1 B. F. Hobson,1 G. Guethlein,1 J. Hall,1 R. Stoneking,1 J. Mintz,1 C. McNamee,1 P. A. Thelin1
1Lawrence Livermore National Lab. (United States) 2Lawrence Berkeley National Lab. (United States) 3The Ohio State Univ. (United States)
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High energy X-rays and neutrons can provide 3-D volumetric views of large objects made of multiple materials. Lenscoupled computed tomography using a scintillator imaged on a CCD camera obtains high spatial resolution, while a surface-mounted segmented scintillator on an amorphous silicon (A-Si) array can provide high throughput. For MeV Xray CT, a new polycrystalline transparent ceramic scintillator referred to as “GLO” offers excellent stopping power and light yield for improved contrast in sizes up to a 12” field-of-view. For MeV neutron CT, we have fabricated both contiguous and segmented plates of “Hi-LY” plastic scintillator, offering light yields 3x higher than standard plastic.
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N. J. Cherepy, Z. M. Seeley, S. Hok, D. Schneberk, P. Kerr, S. P. O'Neal, I. Oksuz, M. Bisbee, L. R. Cao, S. A. Payne, R. D. Sanner, G. Stone, B. F. Hobson, G. Guethlein, J. Hall, R. Stoneking, J. Mintz, C. McNamee, P. A. Thelin, "Scintillators and detectors for MeV x-ray and neutron imaging," Proc. SPIE 11494, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII, 114940N (17 September 2020); https://doi.org/10.1117/12.2569519