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Plastics May Add New Colors to Lasers' Light Show

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Science  27 Sep 1996:
Vol. 273, Issue 5283, pp. 1800-1801
DOI: 10.1126/science.273.5283.1800


Lasers are a technological success story, with applications ranging from grocery scanners to compact-disc players. But the semiconductor crystals at the heart of these deviceshave difficulty emitting laser beams in certain colors. Now a new class of materials—plastic polymer thin films—has been coaxed to emit laserlike light in colors across the visible spectrum, as reported on page 1833