1 October 2011 From x-ray telescopes to neutron focusing
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Abstract
In the case of neutrons the refractive index is slightly less than unity for most elements and their isotopes [1]. Consequently, thermal and cold neutrons can be reflected from smooth surfaces at grazing-incidence angles. Hence, the optical technologies developed for x-ray astronomy can be applied for neutron focusing. The focusing capabilities of grazing incidence neutron imaging optics have been successfully demonstrated using nickel mirrors. The mirrors were fabricated using an electroformed nickel replication process at Marshall Space Flight Center. Results of the neutron optics experiments and current status of the multilayer coating replication technique development are presented.
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Mikhail V. Gubarev, Mikhail V. Gubarev, Boris Khaykovich, Boris Khaykovich, Brian Ramsey, Brian Ramsey, David Moncton, David Moncton, Vyacheslav E. Zavlin, Vyacheslav E. Zavlin, Kiranmayee Kilaru, Kiranmayee Kilaru, Suzanne Romaine, Suzanne Romaine, Richard E. Rosati, Richard E. Rosati, Ricardo Bruni, Ricardo Bruni, Lee Robertson, Lee Robertson, Lowell Crow, Lowell Crow, Haile Ambaye, Haile Ambaye, Valeria Lauter, Valeria Lauter, } "From x-ray telescopes to neutron focusing", Proc. SPIE 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V, 81470B (1 October 2011); doi: 10.1117/12.897325; https://doi.org/10.1117/12.897325
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