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Proceedings Paper

On the challenge of flux concentration at grazing incidence for neutrons and x-rays
Author(s): Boris Khaykovich; Dazhi Liu; Giacomo Resta; David E. Moncton; Mikhail V. Gubarev
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Paper Abstract

Designing optical systems for concentrating the flux of thermal neutrons and x-rays is severely constrained by the requirement of grazing incidence, i.e., the exceedingly small angles for total external reflection at mirror surfaces. As a result, the design principles established for non-imaging (i.e. flux concentrators) optics for visible light must be reconsidered. We present new concepts for improving the attainable flux density from neutron sources. In particular, we show how nested axisymmetric mirror systems including up to three reflections can achieve significantly higher concentrations.

Paper Details

Date Published: 11 October 2012
PDF: 6 pages
Proc. SPIE 8485, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration IX, 848509 (11 October 2012); doi: 10.1117/12.929328
Show Author Affiliations
Boris Khaykovich, Massachusetts Institute of Technology (United States)
Dazhi Liu, Massachusetts Institute of Technology (United States)
Giacomo Resta, Massachusetts Institute of Technology (United States)
David E. Moncton, Massachusetts Institute of Technology (United States)
Mikhail V. Gubarev, NASA Marshall Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 8485:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration IX
Roland Winston; Jeffrey M. Gordon, Editor(s)

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