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The amazing technicolor liquid nano laser | Gizmag

curated by | April 30, 2015

“Unlike conventional lasers, which use mirrors to bounce light back and forth through a gain medium (kind of like an amplifier), this new nanolaser contains an array of reflective gold nanoparticles that accomplish the same feat on a considerably smaller scale. Previously-developed nanolasers used solid gain materials, which provide a fixed wavelength, but the Northwestern team used a liquid (more specifically, an organic dye) instead.”

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