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Lasing Action from Whispering-Gallery Modes in Water Microdroplets

Technique could be useful in biological and chemical analysis.

Breck Hitz

Whispering-gallery modes are the resonances that occur inside round objects (spheres, cylinders, disks) when light bounces around the object’s circumference, restrained by total internal reflection to stay inside the object. The modes can be useful analytic tools because their resonant frequencies...Read full article

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