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Low-Energy Laser Pulse Generates Relativistic Electron Beams

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Relativistic electrons driven by low-energy, ultrashort mid-infrared (MIR) laser pulses have been demonstrated for the first time, according to researchers. Many applications could use a lower energy and higher repetition rate accelerated beam, such as rapid-scan imaging for medical, scientific and security purposes. “We’re trying to develop laser-driven accelerators that are extremely compact and have a high repetition rate,” said professor Howard Milchberg, a professor of physics and electrical engineering at the University of Maryland. “That means using as low...Read full article

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    Published: August 2017
    Glossary
    electron beam
    A stream of electrons emitted by a single source that move in the same direction and at the same speed.
    nonlinear optics
    Nonlinear optics is a branch of optics that studies the optical phenomena that occur when intense light interacts with a material and induces nonlinear responses. In contrast to linear optics, where the response of a material is directly proportional to the intensity of the incident light, nonlinear optics involves optical effects that are not linearly dependent on the input light intensity. These nonlinear effects become significant at high light intensities, such as those produced by...
    Research & TechnologyeducationAmericasLasersOpticspulsed lasersFemtosecond pulseselectron beammid-infrarednonlinear opticsTech Pulse

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