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Diffraction of slow neutrons by holographic SiO2 nanoparticle-polymer composite gratings

Klepp, J.; Pruner, C.; Tomita, Y.; Plonka-Spehr, C.; Geltenbort, P.; Ivanov, S.; Manzin, G.; Andersen, Ken LU ; Kohlbrecher, J. and Ellabban, M. A., et al. (2011) In Physical Review A (Atomic, Molecular and Optical Physics) 84(1).
Abstract
Diffraction experiments with holographic gratings recorded in SiO2 nanoparticle-polymer composites have been carried out with slow neutrons. The influence of parameters such as nanoparticle concentration, grating thickness, and grating spacing on the neutron-optical properties of such materials has been tested. Decay of the grating structure along the sample depth due to disturbance of the recording process becomes an issue at grating thicknesses of about 100 microns and larger. This limits the achievable diffraction efficiency for neutrons. As a solution to this problem, the Pendellosung interference effect in holographic gratings has been exploited to reach a diffraction efficiency of 83% for very cold neutrons.
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publication status
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in
Physical Review A (Atomic, Molecular and Optical Physics)
volume
84
issue
1
publisher
American Physical Society (APS)
external identifiers
  • wos:000295822700006
  • scopus:79961117006
ISSN
1050-2947
DOI
10.1103/PhysRevA.84.013621
language
English
LU publication?
yes
id
d170af59-92d3-4680-85df-8384317009f8 (old id 2212230)
date added to LUP
2011-11-23 15:13:47
date last changed
2017-07-02 03:24:18
@article{d170af59-92d3-4680-85df-8384317009f8,
  abstract     = {Diffraction experiments with holographic gratings recorded in SiO2 nanoparticle-polymer composites have been carried out with slow neutrons. The influence of parameters such as nanoparticle concentration, grating thickness, and grating spacing on the neutron-optical properties of such materials has been tested. Decay of the grating structure along the sample depth due to disturbance of the recording process becomes an issue at grating thicknesses of about 100 microns and larger. This limits the achievable diffraction efficiency for neutrons. As a solution to this problem, the Pendellosung interference effect in holographic gratings has been exploited to reach a diffraction efficiency of 83% for very cold neutrons.},
  articleno    = {013621},
  author       = {Klepp, J. and Pruner, C. and Tomita, Y. and Plonka-Spehr, C. and Geltenbort, P. and Ivanov, S. and Manzin, G. and Andersen, Ken and Kohlbrecher, J. and Ellabban, M. A. and Fally, M.},
  issn         = {1050-2947},
  language     = {eng},
  number       = {1},
  publisher    = {American Physical Society (APS)},
  series       = {Physical Review A (Atomic, Molecular and Optical Physics)},
  title        = {Diffraction of slow neutrons by holographic SiO2 nanoparticle-polymer composite gratings},
  url          = {http://dx.doi.org/10.1103/PhysRevA.84.013621},
  volume       = {84},
  year         = {2011},
}