DILAS Diodenlaser GmbHMAINZ, Germany, Oct. 26, 2009 – Dilas has announced its newest fiber-coupled multibar modules that deliver up to 300-W output from a 200-µm core diameter fiber at 976 nm. They feature high brightness and power and have a compact footprint and a convenient aiming beam. The cladding mode-free QBH high-power fiber has a low numerical aperture of <0.20 and wall plug efficiency of >35%. Packaged in up to 10-bar configurations, these designs are based on industry standard conductively cooled bars that are optically stacked and polarization-coupled. 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