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Waves in Ultrashort Laser Pulses Measured, Controlled

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LONDON, Dec. 6, 2006 -- A technique has been perfected for very accurately measuring and controlling the electromagnetic waves within some of the shortest laser pulses ever made. Scientists need to fully understand and control these laser pulses before they can use them to track and manipulate electrons in cutting-edge subatomic-level research.Post-doctoral researcher Joseph Robinson adjusts the femtosecond laser system. (Photos: Imperial College London) A study on the new technique, published this week in Nature Physics, focused on extremely short laser pulses less than 10 femtoseconds long (a femtosecond is one...Read full article

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    Published: December 2006
    Glossary
    electron
    A charged elementary particle of an atom; the term is most commonly used in reference to the negatively charged particle called a negatron. Its mass at rest is me = 9.109558 x 10-31 kg, its charge is 1.6021917 x 10-19 C, and its spin quantum number is 1/2. Its positive counterpart is called a positron, and possesses the same characteristics, except for the reversal of the charge.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    attosecondBasic ScienceBiophotonicselectromagnetic waveselectronEPSRCfemtosecondImperial College LondonindustrialMarangosmoleculesNews & FeaturesphotonicspulsesubatomicTischx-rayLasers

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