18 November 2002 Jamin-type interferometer for cold neutrons using Etalon plates
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Abstract
In order to broaden the applicability of neutron interferometry, a new type of multilayer cold-neutron interferometer based on a pair of etalons has been developed. The range of experimental application of conventional multilayer cold-neutron interferometer was limited due to the small spatial separation between the two coherent beams. Using etalons with an air gap of 9.75μm in spacing we have observed interference fringes with the contrast of 60%. The present results have demonstrated the feasibility of developing a cold neutron interferometer with a large path separation to carry out high precision measurements and new types of experiment.
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Masaaki Kitaguchi, Masaaki Kitaguchi, H. Funahashi, H. Funahashi, T. Nakura, T. Nakura, Masahiro Hino, Masahiro Hino, Hirohiko M. Shimizu, Hirohiko M. Shimizu, } "Jamin-type interferometer for cold neutrons using Etalon plates", Proc. SPIE 4785, Advances in Neutron Scattering Instrumentation, (18 November 2002); doi: 10.1117/12.465064; https://doi.org/10.1117/12.465064
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