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Title: Phase-sensitive two-dimensional neutron shearing interferometer and Hartmann sensor

Patent ·
OSTI ID:1228042

A neutron imaging system detects both the phase shift and absorption of neutrons passing through an object. The neutron imaging system is based on either of two different neutron wavefront sensor techniques: 2-D shearing interferometry and Hartmann wavefront sensing. Both approaches measure an entire two-dimensional neutron complex field, including its amplitude and phase. Each measures the full-field, two-dimensional phase gradients and, concomitantly, the two-dimensional amplitude mapping, requiring only a single measurement.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC
Patent Number(s):
9,207,194
Application Number:
13/789,327
OSTI ID:
1228042
Resource Relation:
Patent File Date: 2013 Mar 07
Country of Publication:
United States
Language:
English

References (10)

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Design, fabrication, and characterization of diffraction gratings for neutron phase contrast imaging journal May 2008
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First realisation of a three-dimensional refraction contrast computerised neutron tomography
  • Strobl, M.; Treimer, W.; Hilger, A.
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journal August 2004
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  • Strobl, M.; Treimer, W.; Kardjilov, N.
  • Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 266, Issue 1, p. 181-186 https://doi.org/10.1016/j.nimb.2007.10.016
journal January 2008

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