SAN JOSE, Calif., Jan 31 -- IPG Photonics Corp. received a 2004 Photonics Circle of Excellence Award, sponsored by Laurin Publishing, recognizing its 600-W sngle-mode ytterbium fiber laser, described as a combination of high fluence and true single-mode operation in a commercial product. The awards were presented during Photonics West 2005, held last week in San Jose. The YLR-600 is "a totally monolithic, all-fiber format, two-stage device requiring no adjustment or alignment," IPG said. 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