• Sandia National Laboratories

    PO Box 5800
    Albuquerque, NM 87185-1033
    United States
    505-844-3340
    505-844-3952

    More Info on Sandia National Laboratories

    The nation's premier science and engineering laboratory for national security and technology innovation delivering technology to resolve the nation's most challenging security issues.

    Articles

    FIGURE 1. Huge electrical currents generate arcs and sparks on the Z machine at Sandia National Labs. The bright objects in the foreground are the laser triggered gas switches.
    Computer-controlled motorized mirror mounts enable rapid realignment of beam-steering optics between discharges at Sandia National Labs' Z machine.
    FIGURE 1. A basic field-effect transistor consists of a source and drain of charge carriers that connect to a channel controlled by a gate (top). A fundamental standing-charge-density oscillation, known as a plasmon, sloshes between two boundaries (bottom left). Increased current causes a higher harmonic of the fundamental plasmon, splitting the group in two (bottom right). Like a spring constant, increasing the carrier density in the channel increases the resonant frequency.
    Plasmon-based grating-gate detectors based on hot-electron bolometer mixers are being explored as tunable detectors of terahertz radiation—the next big thing in security applications...
    (Courtesy of Saint-Andrews University)
    FIGURE 1. Pumped by a diode laser, gain medium in the form of a thin slice produces a single-mode output.
    A compact source that produces a high-quality pulsed or continuous-wave beam, the microchip laser is benefiting from technological advances that are bringing output wavelengths...

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