Jamin-type interferometer for cold neutrons using etalon plates

Masaaki Kitaguchi; H. Funahashi; T. Nakura; Masahiro Hino; Hirohiko M. Shimizu

doi:10.1117/12.465064

18 November 2002 Jamin-type interferometer for cold neutrons using Etalon plates

Masaaki Kitaguchi, H. Funahashi, T. Nakura, Masahiro Hino, Hirohiko M. Shimizu

Proceedings Volume 4785, Advances in Neutron Scattering Instrumentation; (2002) https://doi.org/10.1117/12.465064
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

Citation Download Citation

Masaaki Kitaguchi, H. Funahashi, T. Nakura, Masahiro Hino, and Hirohiko M. Shimizu "Jamin-type interferometer for cold neutrons using Etalon plates", Proc. SPIE 4785, Advances in Neutron Scattering Instrumentation, (18 November 2002); https://doi.org/10.1117/12.465064

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