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Nearly Lightless Laser Has Bright Future

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BOULDER, Colo., April 4, 2012 — A new “superradiant” laser design that traps 1 million rubidium atoms into a 2-cm space between two mirrors produces a deep-red laser beam that could boost the performance of most advanced atomic clocks, communications and navigation systems, and space-based astronomical instruments. Artist's concept of the Thompson group's new superradiant laser. (Image: The Thompson Group and Brad Baxley, JILA) Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder, developed the prototype, which has...Read full article

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    Published: April 2012
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    optical communications
    The transmission and reception of information by optical devices and sensors.
    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...
    Americasastronomyatomic clocksatomic oscillationsBasic ScienceColoradoCommunicationselectromagnetic wavesGPSJames ThompsonJILALaser BeamNational Institute of Standards and TechnologyNISToptical communicationsphase arraysphotonicsResearch & Technologyrubidium atomsstrontium atomssuperradiant lasersynchronized wave patternsUniversity of Colorado at BoulderLasers

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