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Light Fields Mapped Microscopically

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SEOUL, South Korea, Dec. 28, 2006 -- Researchers at Seoul National University said they have, for the first time, mapped the orientation of light fields on a microscopic scale, United Press International (UPI) reported recently.

PhD candidate Kwang Geol Lee's team built a microscope that captures the direction of the electric field on a nanometer scale. They claim that before their mapping, most optical probes measured the strength of the light field but not the direction.

"The research offers a new way of seeing light and how it behaves near miniscule objects. It could be used in designing miniature optical components, or lead to new biosensors," they reported in Nature Photonics.

Photonics.com
Dec 2006
GLOSSARY
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...
BiophotonicsMicroscopyminiature opticalnanoNews & Featuresoptical probesorientation of light fieldsphotonicsSensors & DetectorsSeoul National UniversityUnited Press InternationalUPI

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