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New Laser on Keck II Telescope Inspires Photographers

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KAMUELA, Hawaii, June 13, 2011 — The new laser on the W.M. Keck II telescope on the Big Island of Hawaii has inspired two avid Mauna Kea photographers to capture the light show in a series of stunning images and videos. The Keck II Observatory operates two 10-meter optical/infrared telescopes that compensate for atmospheric aberrations. The twin domes of the telescopes feature a suite of advanced instruments, including imagers, multiobject spectrographs, high-resolution spectrographs, integral-field spectroscopy and a laser guide star adaptive optics system that cancels out much of the interference caused by...Read full article

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    Published: June 2011
    Glossary
    adaptive optics
    Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of atmospheric distortions. The Earth's atmosphere can cause light passing through it to experience distortions, resulting in image blurring and degradation in various optical applications, such as astronomical observations, laser communications, and imaging systems. Adaptive optics systems actively adjust the optical elements in real-time to compensate for these distortions. Key...
    laser guide star
    An artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on the ground and is directed into the imaged region. The wavefront distortions are accounted for by transmission of the source through the atmosphere.
    adaptive opticsAmericasAndrew Cooperatmospheric aberrationsCalifornia Institute of TechnologycamerasHawaiiImagingindustrialJapanese Subaru telescopeKeck Ilaser guide starNASAoptical/infrared telescopeResearch & TechnologyspectrographsTest & MeasurementUKIRTUniversity of CaliforniaW.M. Keck II telescopeLasers

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