News tagged with optical vortices

Tying light in knots

(PhysOrg.com) -- The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton, UK, reports a paper in Nature Physics this w ...

Physics / General Physics

created Jan 17, 2010 | popularity 4.8 / 5 (38) | comments 4 | with audio podcast




Search results for optical vortices


Researchers create 'tornados' inside electron microscopes

Researchers from the University of York are pioneering the development of electron microscopes which will allow scientists to examine a greater variety of materials in new revolutionary ways.

Physics / General Physics

created Feb 16, 2012 | popularity not rated yet | comments 0

Manipulating the texture of magnetism

Knowing how to control the combined magnetic properties of interacting electrons will provide the basis to develop an important tool for advancing spintronics: a technology that aims to harness these properties ...

Physics / General Physics

created Feb 03, 2012 | popularity 5 / 5 (4) | comments 1

Eddies in Einstein's formula

(PhysOrg.com) -- How does a microscopic particle behave in a liquid? New results published in the journal Nature show that Einstein’s formula for describing this situation needs a little adjustment. This w ...

Physics / General Physics

created Oct 07, 2011 | popularity 4.8 / 5 (6) | comments 5 | with audio podcast

Synchronized dynamic duos: Controlling how magnetic vortices gyrate together

Crystals can guide and control light and electricity by creating spatially periodic energy barriers. An electron (or photon) can pass through these barriers only when it has a particular energy, allowing ...

Physics / General Physics

created Aug 26, 2011 | popularity 5 / 5 (4) | comments 0

Physicists map spiraling light to harness untapped data capacity

Physicists with the Institute of Ultrafast Spectroscopy and Lasers (IUSL) at The City College of New York have presented a new way to map spiraling light that could help harness untapped data channels in optical fibers. Increased ...

Physics / General Physics

created Aug 25, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Modeling the bizarre: Quantum superfluids

(PhysOrg.com) -- More than 100 years since superconductivity was discovered, a comprehensive description for the behavior of a broad class of fundamental physical systems that exhibit the bizarre properties ...

Physics / Quantum Physics

created Jun 23, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

'Electron vortices' have the potential to increase conventional microscopes' capabilities

(PhysOrg.com) -- Electron microscopes are among the most widely used scientific and medical tools for studying and understanding a wide range of materials, from biological tissue to miniature magnetic devices, ...

Physics / General Physics

created Jan 16, 2011 | popularity 5 / 5 (21) | comments 4 | with audio podcast

Recreating Venus in the Lab

Scientists are reproducing the environment of Venus so that they can interpret observations of the planet's surface and atmosphere. Studying environmental processes on Venus can help astrobiologists better ...

Space & Earth / Space Exploration

created Aug 04, 2010 | popularity 5 / 5 (5) | comments 3 | with audio podcast

Scientists discover quantum mechanical 'hurricanes' form spontaneously

University of Arizona scientists experimenting with some of the coldest gases in the universe have discovered that when atoms in the gas get cold enough, they can spontaneously spin up into what might be described ...

Physics / General Physics

created Oct 15, 2008 | popularity 5 / 5 (27) | comments 9

Polar Crown Prominences

Warning: Material contained in this story may make you wish to become a solar physicist. Japan's Hinode spacecraft, launched in 2006 on a mission to study the sun, is beaming back movies that astonish even ...

Space & Earth / Astronomy

created Sep 18, 2008 | popularity 4.8 / 5 (17) | comments 2


List of search results for optical vortices