Neutron phase imaging and tomography.
- Pfeiffer F Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland.
- Grünzweig C
- Bunk O
- Frei G
- Lehmann E
- David C
- 2006-06-29
Published in:
- Physical review letters. - 2006
English
We report how a setup consisting of three gratings yields quantitative two- and three-dimensional images depicting the quantum-mechanical phase shifts of neutron de Broglie wave packets induced by the influence of macroscopic objects. Since our approach requires only a little spatial and chromatic coherence it provides a more than 2 orders of magnitude higher efficiency than existing techniques. This dramatically reduces the required measurement time for computed phase tomography and opens up the way for three-dimensional investigations of previously inaccessible quantum-mechanical phase interactions of neutrons with matter.
- Language
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- English
- Open access status
- green
- Identifiers
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- DOI 10.1103/PhysRevLett.96.215505
- PMID 16803249
- Persistent URL
- https://sonar.ch/global/documents/291270
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