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Scattering scanning near-field optical microscopy enables optical imaging and characterization of plasmonic devices with nanometer-scale resolution well below the diffraction limit. This technique enables developers to probe and understand…

The characteristics of the Solid-state Neutron Detector, under development for neutron-scattering measurements at the European Spallation Source, have been simulated with a Geant4-based computer code. The code models the interations of…

Electron microscopy is a powerful tool for studying the properties of materials down to their atomic structure. In many cases, the quantitative interpretation of images requires simulations based on atomistic structure models. These…

It is generally assumed by most of the small-angle neutron scattering (SANS) user community that a neutrons energy is unchanged during SANS measurements. Here, the scattering from water, specifically light water, was measured on the EQ-SANS…

Instrumentation and Detectors · Physics 2019-04-10 Changwoo Do , William T. Heller , Christopher Stanley , Franz X. Gallmeier , Mathieu Doucet , Gregory S. Smith

Study of scattering process in the nonlocal interaction framework leads to an integro-differential equation. The purpose of the present work is to develop an efficient approach to solve this integro-differential equation with high degree of…

Nuclear Theory · Physics 2018-08-09 N. J. Upadhyay , A. Bhagwat

Gravitational resonance spectroscopy consists in measuring the energy spectrum of bouncing ultracold neutrons above a mirror by inducing resonant transitions between different discrete quantum levels. We discuss how to induce the resonances…

Quantum Physics · Physics 2015-09-16 G. Pignol , S. Baessler , V. V. Nesvizhevsky , K. Protasov , D. Rebreyend , A. Yu. Voronin

Gratings enable dispersive spectroscopy from the X-ray to the optical, and feature prominently in proposed flagships and SmallSats alike. The exacting performance requirements of these future missions necessitate assessing whether the…

Instrumentation and Methods for Astrophysics · Physics 2020-12-09 Casey T. DeRoo , Jared Termini , Fabien Grise , Randall L. McEntaffer , Benjamin D. Donovan , Chad Eichfeld

Optical grating technique, where optical gratings are generated via light inference, has been widely used to measure charge carrier and phonon transport in semiconductors. In this paper, compared are three types of transient optical grating…

Materials Science · Physics 2018-05-07 Ke Chen , Xianghai Meng , Feng He , Yongjian Zhou , Jihoon Jeong , Nathanial Sheehan , Seth R Bank , Yaguo Wang

Caetano et al. (Proc. R. Soc. A. 481:20230650, 2025) have proposed a formulation for sound-soft acoustic scattering by a compact scatterer O $\subset$ Rn, in which the scattered field is represented as an acoustic Newtonian potential whose…

The design and characteristics of the new very small angle neutron scattering spectrometer under construction at the Laboratoire Leon Brillouin is described. Its goal is to extend the range of scattering vectors magnitudes towards 2x10{-4}…

Soft Condensed Matter · Physics 2007-06-13 Sylvain Desert , Vincent Thevenot , Julian Oberdisse , Annie Brulet

The extreme conditions in Neutron Stars make them ideal test facilities for fundamental interactions. A Neutron Star can capture Dark Matter via scattering. As a result of the scattering, Dark Matter kinetic energy is transferred to the…

High Energy Physics - Phenomenology · Physics 2022-09-21 Giorgio Busoni

Characteristics of neutrino absorption by $^{82}$Se nucleus reaction -- low threshold value, high absorption cross section of neutrinos, emitted by artificial sources, make selenium-82 perspective object to search for new neutrino species…

High Energy Physics - Phenomenology · Physics 2026-02-24 Sergei Semenov

The main objective of the European Spallation Source (ESS) is to perform consistently high impact neutron scattering science using the highest neutron flux of any facility in its class. This ambition is naturally accompanied by operational…

We present the fabrication and optical testing of a fine grating on a ZnS substrate to be used as a wideband infrared spectral disperser and for which the primary application is measurement of the composition of the atmospheres of…

Instrumentation and Methods for Astrophysics · Physics 2014-06-12 Keigo Enya , Takashi Sukegawa , Shigeru Sugiyama , Fumihiro Iijima , Naofumi Fujishiro , Yuji Ikeda , Tomohiro Yoshikawa , Michihiro Takami

Two types of neutron monitors with fine spatial resolution are proposed based on vibrating wire. In the first type, neutrons interact with the vibrating wire, heat it, and lead to the change of natural frequency, which can be precisely…

Instrumentation and Detectors · Physics 2015-12-09 S. G. Arutunian , J. Bergoz , M. Chung , G. S. Harutyunyan , E. G. Lazareva

This artcile presents an optimisation of performance and cost of neutron scattering instrumentation at the European Spallation Source. This is done by trading detailed cost functions against beam transmission functions in a…

Instrumentation and Detectors · Physics 2016-03-21 P. M. Bentley , C. S. Zendler , O. Kirstein

We introduce a simple and practical method to create ultrashort intense optical vortices for applications involving high-intensity lasers. Our method utilizes femtosecond laser pulses to laser-etch grating lines into laser-quality gold…

Optics · Physics 2009-11-13 J. Strohaber , T. Scarborough , C. J. G. J. Uiterwaal

The present chapter reviews current neutron and x-ray scattering techniques employed to elucidate the magnetic structures and spin dynamics of magnetic materials. Both techniques provide measurements as a function of the energy and the…

Materials Science · Physics 2021-06-07 Jeffrey W. Lynn , Bernhard Keimer

A highly unusual pattern of strong multiple resonances for bulk electromagnetic waves is predicted and analysed numerically in thick periodic holographic gratings in a slab with the mean permittivity that is larger than that of the…

Optics · Physics 2007-05-23 D. K. Gramotnev , S. J. Goodman , T. A. Nieminen

A novel approach for measuring linear X-ray polarization over a broad-band using conventional imaging optics and cameras is described. A new type of high efficiency grating, called the critical angle transmission grating is used to disperse…

Astrophysics · Physics 2009-11-13 Herman L. Marshall