Apr 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008apphl..92o3502t&link_type=abstract
Applied Physics Letters, Volume 92, Issue 15, id. 153502 (3 pages) (2008).
Physics
X- And Gamma-Ray Instruments, Waveguides, Transmission Lines, Striplines
Scientific paper
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.
Akhadov E. A.
Cha K. C.
Chen Arthur T.
Epstein Irving R.
Hoffbauer M. A.
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