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

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, and H. Wen
Phys. Rev. Lett. 120, 113201 – Published 12 March 2018
Physics logo See Viewpoint: Moiré Effect Could Enhance Neutron Interferometry
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Abstract

We demonstrate a three phase-grating moiré neutron interferometer in a highly intense neutron beam as a robust candidate for large area interferometry applications and for the characterization of materials. This novel far-field moiré technique allows for broad wavelength acceptance and relaxed requirements related to fabrication and alignment, thus circumventing the main obstacles associated with perfect crystal neutron interferometry. We observed interference fringes with an interferometer length of 4 m and examined the effects of an aluminum 6061 alloy sample on the coherence of the system. Experiments to measure the autocorrelation length of samples and the universal gravitational constant are proposed and discussed.

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  • Received 24 August 2017

DOI:https://doi.org/10.1103/PhysRevLett.120.113201

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

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Moiré Effect Could Enhance Neutron Interferometry

Published 12 March 2018

A new and more flexible neutron interferometer design relies on the moiré effect, in which two periodic patterns are combined to give a longer-period pattern.

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Authors & Affiliations

D. Sarenac1,2,*, D. A. Pushin1,2,†, M. G. Huber3, D. S. Hussey3, H. Miao4, M. Arif3, D. G. Cory2,5,6,7, A. D. Cronin8, B. Heacock9,10, D. L. Jacobson3, J. M. LaManna3, and H. Wen4

  • 1Department of Physics, University of Waterloo, Waterloo, Ontario, Canada N2L3G1
  • 2Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario, Canada N2L3G1
  • 3National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
  • 4Biophysics and Biochemistry Center, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
  • 5Department of Chemistry, University of Waterloo, Waterloo, Ontario, Canada N2L3G1
  • 6Perimeter Institute for Theoretical Physics, Waterloo, Ontario, Canada N2L2Y5
  • 7Canadian Institute for Advanced Research, Toronto, Ontario, Canada M5G1Z8
  • 8University of Arizona, Department of Physics, Tucson, Arizona 85721, USA
  • 9Department of Physics, North Carolina State University, Raleigh, North Carolina 27695, USA
  • 10Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA

  • *dsarenac@uwaterloo.ca
  • dmitry.pushin@uwaterloo.ca

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Issue

Vol. 120, Iss. 11 — 16 March 2018

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