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Contact: Caroline Perry
Harvard University

Needle Beam

Caption: Researchers led by Federico Capasso at SEAS demonstrated a cosine-Gauss plasmon beam, dubbed a "needle beam," that propagates without diffraction. The advance may assist the development of ultrapowerful microprocessors.

Credit: Courtesy of Patrice Genevet.

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Related news release: Needle beam could eliminate signal loss in on-chip optics

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