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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Laser Beam Steering Made More Efficient

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RALEIGH, N.C., May 9, 2011 — The ability to precisely control the direction of a laser beam in an energy-efficient and inexpensive way has been discovered by researchers from North Carolina State University. "In many cases, it is much easier to redirect a laser beam at a target than to steer the laser itself. We intended to develop a way to do this efficiently and without moving anything," said Dr. Michael Escuti, an associate professor of electrical engineering at NC State and co-author of a paper on the research. "We also wanted to be able to steer the beams over a wide range of angles, which is important for...Read full article

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    Published: May 2011
    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...
    liquid crystal display
    An alphanumeric display formed by a layer of liquid crystal material sandwiched between two sheets of glass; a transparent conductive coating on the glass is etched to form the character segments. An applied voltage causes the appropriate segments to darken as the molecules in the liquid crystal change their arrangement.
    AmericasbattlefielddefenseDr. Michael Escutifree space communicationlaser beam steeringlidarLight Sourcesliquid crystal displayNorth Carolina State Universityoptical scanning applicationsOpticspolarization gratingsResearch & Technologysoldiersterrain mappingTest & MeasurementUS Air ForceLasers

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