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Grad Students Receive NASA Fellowships

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Montana State University (MSU) electrical engineering graduate students David Hoffman and Amin Nehrir have each received a $30,000 fellowship through NASA's Graduate Student Researchers Program, giving them the opportunity to work with some of NASA's top scientists in laser technology as interns at Langley Research Center in Hampton, Va., next year. At the university in Bozeman, Hoffman and Nehrir's work with lidar (light detection and ranging) involves sending a pulse of laser light into the sky and letting it bounce off the particles suspended in the air. By measuring the amount of light...Read full article

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    Published: June 2008
    Glossary
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here is how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
    light
    Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm. In photonic applications light can be considered to cover the nonvisible portion of the spectrum which includes the ultraviolet and the infrared.
    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...
    Amin NehriratmospherecloudsDavid HoffmanEmploymentLangley Research CenterlidarlightMontana State UniversityNASANews BriefsparticlesphotonicsPhotonics Tech BriefsprecipitationpulseLasers

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