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Related papers: Neutron interference from a split-crystal interfer…

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Over the past decade, holographic nanodiamond-polymer composite gratings have been developed and optimized as high-efficiency diffractive elements for very cold neutrons (VCN), for use as mirrors and beam splitters in a triple-Laue (LLL)…

A neutron interferometric test of interaction-free detection of the presence of an absorbing object in one arm of a neutron interferometer has been performed. Despite deviations from the ideal performance characteristics of a Mach-Zehnder…

Quantum Physics · Physics 2009-10-30 Meinrad Hafner , Johann Summhammer

Various phase shifters and absorbers can be put into the arms of a double loop neutron interferometer. The mean intensity levels of the forward and diffracted beams behind an empty four plate interferometer of this type have been…

Quantum Physics · Physics 2009-11-10 M. Suda , H. Rauch , M. Peev

It has recently been demonstrated analytically that the two-point correlation function for pairs of neutrinos may contain information about the size of the proto-neutron star formed in a Galactic core-collapse supernova. The information…

High Energy Astrophysical Phenomena · Physics 2018-08-29 Warren P. Wright , James P. Kneller

We report first white-light interferograms obtained with an integrated optics beam combiner on a glass plate. These results demonstrate the feasability of single-mode interferometric beam combination with integrated optics technology…

Quantum nonlinear interferometers (QNIs) can measure the infrared physical quantities of a sample by detecting visible photons. A QNI with Michelson geometry based on the spontaneous parametric down-conversion in a second-order nonlinear…

The advent of very high intensity neutrino beams for the study of neutrino oscillations has also made possible a new generation of experiments which will study neutrino interactions on different nuclei with unprecedented precision. The use…

Nuclear Experiment · Physics 2011-11-15 Ronald D. Ransome

We present an electron interferometer based on near-field diffraction from two nanostructure gratings. Lau fringes are observed with an imaging detector, and revivals in the fringe visibility occur as the separation between gratings is…

Optics · Physics 2015-06-26 Alexander D. Cronin , Ben McMorran

Integrated-optic, astronomical, two-beam and three-beam, interferometric combiners have been designed and fabricated for operation in the L band (3 - 4 microns) for the first time. The devices have been realized in titanium-indiffused,…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 Hsien-kai Hsiao , K. A. Winick , John D. Monnier , Jean-Philippe Berger

We have realized an interferometer using a thermal cloud of magnetically trapped rubidium 87 atoms on a chip. The interferometer resembles a Ramsey interferometer with a state selective spatial splitting of the two internal states as…

Atomic Physics · Physics 2026-04-16 B. Wirtschafter , C. I. Westbrook , M. Dupont-Nivet

Steering of negatively charged particle beams below 1 GeV has demonstrated to be possible with thin bent silicon and germanium crystals. A newly designed mechanical holder was used for bending crystals, since it allows a remotely-controlled…

Instrumentation and Detectors · Physics 2020-06-14 D. De Salvador , S. Carturan , A. Mazzolari , E. Bagli , L. Bandiera , C. Durighello , G. Germogli , V. Guidi , P. Klag , W. Lauth , G. Maggioni , M. Romagnoni , A. Sytov

The MicroBooNE detector has recently completed its first year of neutrino beam data-taking in the Booster Neutrino Beam at Fermilab, having collected approximately half of its intended data ($3.4\times10^{20}$ of $6.6\times10^{20}$ protons…

High Energy Physics - Experiment · Physics 2016-11-04 Pip Hamilton

An experiment with nested Mach-Zehnder interferometer [Phys. Rev. Lett. 111, 240402 (2013)] has been recently implemented with neutrons [Phys. Rev. A 97, 052111 (2018)]. Which-path information has been extracted from faint traces the…

Quantum Physics · Physics 2018-06-06 Lev Vaidman

In 1975, two experimental groups have independently observed the 4$\pi$-symmetry of neutrons' spin, when passing through a static magnetic field, using a three-blade interferometer made from a single perfect Si-crystal (analogous to the…

Quantum Physics · Physics 2017-06-06 Massimiliano Sassoli de Bianchi

Intensity interferometry is a technique that has been used to measure the size of sources ranging from the quark-gluon plasma formed in heavy ion collisions to the radii of stars. We investigate using the same technique to measure…

High Energy Astrophysical Phenomena · Physics 2017-11-03 Warren P. Wright , James P. Kneller

The Stern-Gerlach (SG) effect, discovered almost a century ago, has become a paradigm of quantum mechanics. Surprisingly there is little evidence that the original scheme with freely propagating atoms exposed to gradients from macroscopic…

Matter-wave interference experiments enable us to study matter at its most basic, quantum level and form the basis of high-precision sensors for applications such as inertial and gravitational field sensing. Success in both of these…

We analyse a recently reported neutron interference experiment to measure a geometric phase and attempt to bring out the inadequacy of the ``phase modulo 2\pi" approach to the geometric phase. A modified neutron interferometer experiment to…

Quantum Physics · Physics 2007-05-23 Rajendra Bhandari

We report a self-aligned, monolithic electron interferometer, consisting of two 45 nm thick silicon layers separated by 20 $\mu$m. This interferometer was fabricated from a single crystal silicon cantilever on a transmission electron…

Instrumentation and Detectors · Physics 2016-09-14 Akshay Agarwal , Chung-Soo Kim , Richard Hobbs , Dirk van Dyck , Karl K. Berggren

We demonstrate a three phase-grating neutron interferometer as a robust candidate for large area interferometry applications and characterization of materials. This novel far-field moire technique allows for broad wavelength acceptance and…

Instrumentation and Detectors · Physics 2018-03-21 D. Sarenac , D. A. Pushin , M. G. Huber , D. S. Hussey , H. Miao , M. Arif , D. G. Cory , A. D. Cronin , B. Heacock , D. L. Jacobson , J. M. LaManna , H. Wen