News tagged with light pulses

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Clocking Ultra-fast Electron Bunches

(PhysOrg.com) -- Brookhaven researchers have developed a device that acts like a high-tech stopwatch for speedy packs of electrons just trillionths of a second long. This new diagnostic tool could aid in the ...

Jul 30, 2010 4.6 / 5 (7) 0 | with audio podcast

Rainbow trapping in light pulses

Over the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive medium through which the pulse is ...

Jul 14, 2010 4.3 / 5 (8) 0 | with audio podcast

NPL makes light work of home grooming

The National Physical Laboratory (NPL) and the University of Dundee recently assessed the light emitted by a home-use intense-pulsed light (IPL) hair reduction system and confirmed that it is safe. This confirmation is important, ...

Mar 01, 2010 3.5 / 5 (2) 1