Summary form only given. We have recently reported high output power and narrow beam divergence InGaAs/AlGaAs tapered laser array (TLA) devices with a mm-long cavity at 980 nm wavelength for applications in laser surgery, materials processing and fibre laser-pumping. For higher output powers, thermal rollover can be reduced by the use of longer devices, due to lowering of the series resistance and thermal impedance, provided intra-cavity losses are sufficiently low. We report the results on 2 mm-long 200 /spl mu/m broad area and narrow divergence TLA devices.


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    Titel :

    High power 2 mm-long cavity 980 nm InGaAs/AlGaAs lasers


    Beteiligte:
    Nayar, B.K. (Autor:in) / Lewandowski, J.J. (Autor:in) / Robbins, D.J. (Autor:in) / Robson, F.O. (Autor:in) / Williams, P.J. (Autor:in) / Wilson, F.J. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    256941 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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