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Near-Field Microscopy Validates VCSEL Models

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Kevin Robinson

Vertical-cavity surface-emitting lasers (VCSELs) have been gaining ground in a variety of applications, including telecommunications. Researchers at the Colorado School of Mines in Golden, working in conjunction with Cielo Communications Inc. of Broomfield, Colo., have developed a method that uses a near-field optical scanning microscope to test the lasers' output response as a function of the variation in drive current. Near-field scanning optical microscopy enables researchers to validate models of the behavior of vertical-cavity surface-emitting lasers by imaging the output power and...Read full article

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    Published: May 2002
    CommunicationsenergyMicroscopyResearch & TechnologySensors & Detectors

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