High-power 1.9-μm diode laser arrays with reduced far-field angle

High-power 1.91-mum (AlGaIn)(AsSb) quantum-well diode laser single emitters and linear arrays with improved waveguide design were fabricated and characterized. The use of a rather narrow waveguide core results in a remarkable low fast axis beam divergence of 44deg full-width at half-maximum. For sin...

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Veröffentlicht in:	IEEE photonics technology letters 2006-02, Vol.18 (4), p.628-630
Hauptverfasser:	Kelemen, M.T., Weber, J., Rattunde, M., Kaufel, G., Schmitz, J., Moritz, R., Mikulla, M., Wagner, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biomedical optical imaging Diode lasers Gas lasers Optical arrays Optical design Optical pumping Optical refraction Optical variables control Optical waveguides power lasers Semiconductor laser arrays semiconductor lasers
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