News tagged with optical pulses

Two stopped light pulses interact with each other

(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...

Physics / General Physics

created May 08, 2012 | popularity 4.1 / 5 (16) | comments 8 | with audio podcast feature

Billard game in an atom: Physicists trace the double ionization of argon atoms on attosecond time scales

(Phys.org) -- When an intense laser pulse interacts with an atom it generates agitation on the micro scale. A rather likely outcome of this interaction is single ionization, where one electron is ejected from ...

Physics / General Physics

created May 08, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New ultra-small laser opens up a world of possibilities

(PhysOrg.com) -- Computing and medicine are among the many fields which could be revolutionised by a new form of ultra-small laser.

Physics / Optics & Photonics

created Apr 04, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Graphene offers protection from intense laser pulses

Researchers from Singapore and the UK have jointly announced a new benchmark in broadband, non-linear optical-limiting behavior using single-sheet graphene dispersions in a variety of heavy-atom solvents and ...

Nanotechnology / Nanomaterials

created Dec 30, 2011 | popularity 4.4 / 5 (7) | comments 4 | with audio podcast

New light at the end of the tunnel

(PhysOrg.com) -- An international team of scientists successfully concentrated the energy of infrared laser pulses using a nano funnel enabling them to generate extreme ultraviolet light pulses, which repeated ...

Physics / Optics & Photonics

created Oct 17, 2011 | popularity 5 / 5 (3) | comments 7 | with audio podcast

In Brief: Development of a new chip for characterizing ultrafast optical pulses

Boosting up microprocessors -the heart of modern computers- at the speed of light, reducing consumptions and costs, may now be a reality thanks to the development of a new high-performance chip, the results of which have ...

Physics / Optics & Photonics

created Sep 22, 2011 | popularity not rated yet | comments 0

White laser pulses with precisely tailored waveform enable control of electrons in microcosm

(PhysOrg.com) -- An expedition through the fast-paced microscopic world of atoms reveals electrons that spin around at enormous speeds and have gigantic forces are acting on them. Monitoring the ultrafast ...

Physics / Optics & Photonics

created Sep 09, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Digital quantum simulator realized

(PhysOrg.com) -- The physicists of the University of Innsbruck and the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck have come considerably closer to their goal to investigate complex ...

Physics / Quantum Physics

created Sep 01, 2011 | popularity 5 / 5 (16) | comments 4 | with audio podcast

A new SPIDER for the web

(PhysOrg.com) -- A revolutionary new chip that uses little energy and operates at ultrafast speeds for telecommunications and computing is set to replace the power-hungry, expensive and bulky equipment that ...

Physics / Optics & Photonics

created Aug 22, 2011 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast

New scientific research reveals diamonds aren't forever

(PhysOrg.com) -- In a paper published in the US journal Optical Materials Express this week, Macquarie University researchers show that even the earth's hardest naturally occurring material, the diamond, is not ...

Physics / Condensed Matter

created Jul 18, 2011 | popularity 4.3 / 5 (10) | comments 13 | with audio podcast

Lightwave electronics at sharp metal tips

(PhysOrg.com) -- Scientists at the Max Planck Institute of Quantum Optics control for the first time the emission of electrons from metal tips with femtosecond lasers alone.

Physics / Quantum Physics

created Jul 07, 2011 | popularity 4 / 5 (4) | comments 3 | with audio podcast

New material promises faster electronics

The novel material graphene makes faster electronics possible. Scientists at the Faculty of Electrical Engineering and Information Technology at the Vienna University of Technology (TU Vienna) developed light-detectors ...

Nanotechnology / Nanomaterials

created Jun 28, 2011 | popularity 5 / 5 (3) | comments 0

Physicists describe how to make time-reversed light pulses

(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves ...

Physics / General Physics

created May 31, 2011 | popularity 4.4 / 5 (17) | comments 44 | with audio podcast feature

Proposal for optical transistor uses light to control light

(PhysOrg.com) -- By using one light pulse to control another, researchers have proposed a design for an optical transistor that fulfills the most challenging criteria set forth in a study last year. An optical ...

Physics / Optics & Photonics

created May 05, 2011 | popularity 4.9 / 5 (16) | comments 6 | with audio podcast feature

Electron ping pong in the nano-world

(PhysOrg.com) -- An international team of researchers succeeded at the Max Planck Institute of Quantum Optics to control and monitor strongly accelerated electrons from nano-spheres with extremely short and ...

Physics / Quantum Physics

created Apr 25, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast