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Near-Field Microscopy Catches Smallest Laser in Action

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Kevin Robinson

Using a near-field scanning optical microscope, researchers at the University of California in Berkeley have captured images of tiny nanowire lasers in action. Led by Richard Saykally, they have applied a combination of femtosecond spectroscopy and near-field optics to measuring the new lasers. Discovered last year by university researchers led by Peidong Yang, the lasers are created by a high-temperature process that grows vertical arrays of nanowires on a sapphire substrate coated with gold. They reported gross measurements of the lasing properties of an entire array. However, they have...Read full article

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    Published: March 2002
    CommunicationsMicroscopyResearch & TechnologyTech Pulse

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