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    Three Phase-Grating Moiré Neutron Interferometer for Large Interferometer Area Applications

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    Abstract

    We demonstrate a three phase-grating neutron interferometer as a robust candidate for large area interferometry applications and characterization of materials. This novel far-field moiré technique allows for broad wavelength acceptance and relaxed requirements related to fabrication and alignment, circumventing the main obstacles associated with perfect crystal neutron interferometry. Interference fringes were observed with a total interferometer length of four meters, and the effects of an aluminum 6061 alloy sample on the coherence of the system was examined. Experiments to measure the autocorrelation length of samples and the universal gravitational constant are proposed and discussed.

     

    © Sarenac, D., Pushin, D.  A., Huber, M.  G., Hussey, D.  S., Miao, H., Arif, M., Cory, D.  G., Cronin, A.  D., Heacock, B., Jacobson, D.  L., LaManna, J.  M., & Wen, H. (2018). Three Phase-Grating Moiré Neutron Interferometer for Large Interferometer Area Applications. Physical Review Letters, 120(11). https://doi.org/10.1103/physrevlett.120.113201

    Author(s)

    D. Sarenac, D. A. Pushin, M. G. Huber, D. S. Hussey, H. Miao, M. Arif, D. G. Cory, A. D. Cronin, B. Heacock, D. L. Jacobson, J. M. LaManna, H. Wen

    Date

    2018-03-12

    Publication

    Physical Review Letters

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