News tagged with optical pulses
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
Dec 30, 2011 |
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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 ...
Oct 17, 2011 |
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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 ...
Sep 22, 2011 |
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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 ...
Sep 09, 2011 |
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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 ...
Sep 01, 2011 |
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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 ...
Aug 22, 2011 |
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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 ...
Jul 18, 2011 |
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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.
Jul 07, 2011 |
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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
Jun 28, 2011 |
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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 ...
May 31, 2011 |
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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 ...
May 05, 2011 |
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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 ...
Apr 25, 2011 |
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In Brief: Ultrafast transparency in a plasmonic nanorod
Users from the University of North Florida and King's College London collaborated with Argonne scientists in the Nanophotonics Group to show that closely spaced plasmonic gold nanorods produce an ultrafast ...
Jan 25, 2011 |
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Extreme lasers at work
Under extremely intense illumination materials may exhibit so-called nonlinear optical properties such as ceasing to absorb light beyond a certain brightness, or becoming highly ionized. Yasumasa Hikosaka, ...
Nov 26, 2010 |
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Researchers control zebrafish heart rate with optical pacemaker
(PhysOrg.com) -- UCSF researchers have for the first time shown that an external optical pacemaker can be used in a vertebrate to control its heart rate.
Chemistry / Analytical Chemistry
Nov 16, 2010 |
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