News tagged with laser pulses

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Steps towards filming atoms dancing

With their ultra short X-ray flashes, free-electron lasers offer the opportunity to film atoms in motion in complicated molecules and in the course of chemical reactions. However, for monitoring this motion, ...

Dec 03, 2012
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Freezing electrons in flight

(Phys.org)—Using the world's fastest laser pulses, which can freeze the ultrafast motion of electrons and atoms, University of Arizona physicists have caught the action of molecules breaking apart and electrons ...

Oct 15, 2012
5 / 5 (7) 7 | with audio podcast

Solar cells made from black silicon

Solar cells convert three-quarters of the energy contained in the Sun's spectrum into electricity – yet the infrared spectrum is entirely lost in standard solar cells. In contrast, black silicon solar cells ...

Oct 01, 2012
3 / 5 (2) 1

Ultrafast pulsed lasers… more than just a lightshow

A Navy ship at sea is surrounded by water, with nothing but its carrier group in site, and searches the skies for activity overhead. Isolated radars on each ship in the group scan independently of each other ...

Aug 09, 2012
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