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Will UV Lasers Beat the Blues?

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Science  09 May 1997:
Vol. 276, Issue 5314, pp. 895
DOI: 10.1126/science.276.5314.895

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SAN FRANCISCO-- Over the last few years, researchers worldwide have been racing to commercialize chip-based lasers that emit blue light, which could increase fourfold the amount of information packed into today's CDs and CD-ROMs. But at a recent meeting of the Materials Research Society, scientists reported creating a new type of laser that generates even shorter wavelengths--ultraviolet.