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FIBER-COUPLED LASER DIODES Coherent Inc. has enhanced its line of Fiber Array Package diode lasers with the introduction of 940- and 980-nm models. The conduction-cooled lasers produce 40 W of CW power through an 800-µm fiber bundle, with a numerical aperture <0.11. Wall-plug efficiency is >50%. The lasers use high-efficiency epitaxy bars that lower the power supply requirements, reducing system cost, size and weight. They also reduce the amount of dissipated heat, minimizing the number and/or power of thermoelectric coolers required. Decreased junction temperature rise increases instrument lifetimes. The diodes are suitable for medical applications and for pumping erbium- and ytterbium-doped fiber lasers.

Photonics Spectra
Mar 2005

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Coherent Inc.conduction-cooled lasersdiode lasersfiber array packagefiber lasersfiber opticsNew Productslasers

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