Neutron-optical gratings from nanoparticle-polymer composites
J. Klepp, C. Pruner, M. A. Ellabban, Y. Tomita, H. Lemmel, H. Rauch,, M. Fally
TL;DR
This paper reviews the creation of neutron-optical phase gratings using holography in nanoparticle-polymer composites, comparing light and neutron diffraction theories and analyzing experimental data.
Contribution
It provides a comparative analysis of light and neutron diffraction theories applied to holographic gratings in nanoparticle-polymer composites.
Findings
Comparison of Kogelnik's and dynamical neutron diffraction theories
Analysis of experimental neutron and light diffraction data
Insights into neutron-optical grating fabrication and analysis
Abstract
The preparation of neutron-optical phase gratings with light-optical holography is reviewed. We compare the relevant concepts of i) Kogelnik's theory for Bragg diffraction of light by thick volume gratings, which can be used to analyze holographic gratings with both light and neutrons, and ii) the dynamical theory of neutron diffraction. Without going into mathematical detail, we intend to illuminate their correspondence. The findings are illustrated by analyzing data obtained from reconstruction of nanoparticle holographic gratings with both light and neutrons.
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