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Gamma-ray waveguides
被引：8
|作者：
Tournear, D. M.
[1
]
Hoffbauer, M. A.
[1
]
Akhadov, E. A.
[1
]
Chen, A. T.
[1
]
Pendleton, S. J.
[1
]
Williamson, T. L.
[1
]
Cha, K. C.
[1
]
Epstein, R. I.
[1
]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
关键词：
D O I：
10.1063/1.2905280
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have developed an approach for gamma-ray optics using layered structures acting as planar waveguides. Experiments demonstrating channeling of 122 keV gamma rays in two prototype waveguides validate the feasibility of this technology. Gamma-ray waveguides allow one to control the direction of radiation up to a few MeV. The waveguides are conceptually similar to polycapillary optics, but can function at higher gamma-ray energies. Optics comprised of these waveguides will be able to collect radiation from small solid angles or concentrate radiation into small area detectors. Gamma-ray waveguides may find applications in medical imaging and treatment, astrophysics, and homeland security. (c) 2008 American Institute of Physics.
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页数：3
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