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Dielectric binary oxide films as waveguide laser media: a review
C.Grivas and R.W.Eason
Sapphire (α-Al2O3), amorphous and polycrystalline Al2O3, tantalum pentoxide Ta2O5 and the sesquioxides Y2O3, Sc2O3, and Lu2O3 are excellent laser hosts due to their very good thermomechanical properties, broad transparency range and ease of doping with active ions. This article reviews recent research towards the realization of active optical films and the demonstration of gain and laser operation in the waveguides produced from these materials. Compound structures in which laser operation has been demonstrated are highlighted together with the applied fabrication techniques, and details of the laser performance are presented.
Journal of Physics: Condensed Matter (2008) Vol.20(26) pp.264011
Publisher′s URL: http://www.iop.org/EJ/abstract/0953-8984/20/26/264011
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Copyright University of Southampton 2006