Double-clad planar waveguide Nd:YAG laser

Michal Jelínek; Václav Kubecek; Zdenek Burian; Pavel Hríbek

doi:10.1117/12.818046

18 November 2008 Double-clad planar waveguide Nd:YAG laser

Michal Jelínek, Václav Kubecek, Zdenek Burian, Pavel Hríbek

Proceedings Volume 7138, Photonics, Devices, and Systems IV; 71381O (2008) https://doi.org/10.1117/12.818046
Event: Photonics, Devices, and Systems IV, 2008, Prague, Czech Republic

Abstract

Operation of a diode-end-pumped double-clad planar waveguide Nd:YAG laser is reported. The waveguide structure consisted of 220 μm thick active Nd:YAG layer sandwiched between two 390 μm undoped YAG layers. The outer cladding was formed by two 200 μm sapphire layers. Dimensions of the whole structure are 12 × 6 × 1.4 mm³. With pumping by 2 W laser 808 nm diode, the laser operation was achieved at 1.06 μm with several resonator configurations: plan parallel resonator with external mirrors, self-imaging resonator, and resonator with mirrors coated on waveguide structure faces. In multimode operation the slope efficiency was 58%. The maximal output power of 640 mW was achieved. In single mode operation with self-imaging resonator the slope efficiency of 34% was achieved. With mirrors coated directly on waveguide structure faces the slope efficiency of 49% in single transversal mode was obtained.

Citation Download Citation

Michal Jelínek, Václav Kubecek, Zdenek Burian, and Pavel Hríbek "Double-clad planar waveguide Nd:YAG laser", Proc. SPIE 7138, Photonics, Devices, and Systems IV, 71381O (18 November 2008); https://doi.org/10.1117/12.818046

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