New method to achieve ultra-narrow laser linewidth
Chinese researchers have discovered a new method to highly compress laser linewidth based on Rayleigh backscattering.
Optics & Photonics
Nov 26, 2014
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Page 2 - News tagged with backscattering
Researchers test underground border security system
A unique underground surveillance system tested by UA researchers could be used to watch the entire U.S.-Mexico border continuously.
Engineering
Dec 14, 2010
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Alternative method for the representation of microstructures in polycrystalline materials
Most solid materials are of polycrystalline nature. In which way the individual grains are oriented in the material can be relevant for its functional properties. In order to determine the corresponding orientation distributions ...
Materials Science
Dec 18, 2015
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New project to detect possible damages in aircraft parts early in process
UT Arlington engineering professors have received a $451,781 Air Force Office of Scientific Research grant to examine the material surface at the micro- and nano-scale level that will provide clues for predicting fatigue ...
Engineering
Oct 16, 2014
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Diabolical points in coupled active cavities with quantum emitters
Diabolical points (DPs) introduce ways to study topological phase and peculiar energy dispersion. Scientists in China and partners from the United Kingdom demonstrated DPs in strongly coupled active microdisks. A new macroscopical ...
Optics & Photonics
Jan 15, 2020
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Enantiomorph distribution maps for metals and metallic alloys
Left- or right-handedness is a symmetry property that many macroscopic objects also exhibit and which is of immense importance, particularly for the bioactivity of organic molecules. Chirality is also relevant for physical ...
Quantum Physics
Jun 3, 2021
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Researchers turn off backscattering, aim to improve optical data transmission
Engineers at the University of Illinois have found a way to redirect misfit light waves to reduce energy loss during optical data transmission. In a study, researchers exploited an interaction between light and sound waves ...
Optics & Photonics
Aug 12, 2019
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Studying biosamples at 'supercold' temperatures—without freezing—now a reality
(Phys.org)—Researchers at the Spallation Neutron Source BASIS beam line at the Department of Energy's Oak Ridge National Laboratory have successfully developed a method to study biomolecules (proteins) at temperatures far ...
Materials Science
Sep 14, 2012
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Discovery of increase in magnetic moment at grain boundaries
The NIMS Structural Materials Unit, in joint research with a group at the Kumamoto University Graduate School of Science and Technology, experimentally measured the 3-D electronic state of pure iron and discovered a phenomenon ...
General Physics
Jan 29, 2013
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Electron backscatter diffraction yields microstructure insights
High-efficiency electric motors with tailored speed-torques, determined by their magnetic components, are essential for sustainable, successful electric automobile drive concepts. Soft magnetic core engineering plays a key ...
General Physics
Nov 14, 2017
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