News tagged with light pulses

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X-ray laser takes aim at cosmic mystery

Scientists have used powerful X-rays from the Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory, to study and measure, in atomic detail, a key process at work in extreme plasmas ...

dateDec 12, 2012 in Plasma Physics
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Making insulator conduct

(Phys.org)—New results on the interaction of femto- and attosecond light pulses with a solid insulator hold promise for reaching electronic switching rates up to the petahertz domain.

dateDec 05, 2012 in General Physics
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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 ...

dateOct 15, 2012 in General Physics
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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 ...

dateOct 01, 2012 in Energy & Green Tech
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A step forward for ultrafast spintronics

(Phys.org)—In spin based electronics the spin of the electron is used as a carrier of information. To meet the need for faster electronics, the speed must be increased as far as possible. Today, Uppsala physicists show ...

dateSep 06, 2012 in General Physics
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