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Tuesday, May 27, 2003

Alchemy with light shocks physicists

Researchers have documented new control over light: a way to shift the frequency of light beams to any desired colour, with near 100 per cent efficiency. "The degree of control over light really is quite shocking," comments photonics expert Eli Yablonovitch at the University of California, Los Angeles.
Claims by photonics crystal pioneer John Joannopoulos and his group at MIT, are soon to be published in Physical Review Letters.
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