Neutron optical beam splitter from holographically structured nanoparticle-polymer composites
M. Fally, J. Klepp, Y. Tomita, T. Nakamura, C. Pruner, M. A. Ellabban,, R. A. Rupp, M. Bichler, I. Dreven\v{s}ek Olenik, J. Kohlbrecher, H., Eckerlebe, H. Lemmel, and H. Rauch
TL;DR
This paper presents a novel neutron optical beam splitter using holographically structured nanoparticle-polymer composites, achieving high diffraction efficiency and enabling tunable neutron-optical devices.
Contribution
It introduces a new method for creating efficient neutron diffractive elements with potential for tunable neutron-optical applications.
Findings
Achieved up to 50% neutron diffraction efficiency
Used holographically structured nanoparticle-polymer gratings
Demonstrated potential for tunable neutron-optical devices
Abstract
We report a breakthrough in the search for versatile diffractive elements for cold neutrons. Nanoparticles are spatially arranged by holographical means in a photopolymer. These grating structures show remarkably efficient diffraction of cold neutrons up to about 50% for effective thicknesses of only 200 micron. They open up a profound perspective for next generation neutron-optical devices with the capability to tune or modulate the neutron diffraction efficiency.
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