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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CE_6_1

Engineering of refractive index and doping level of KY1-x-y-zGdxLuyYbz(WO4)2 layers for a cladding-side-pumped channel waveguide laser

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Abstract

The potassium double tungstates KY(WO4)2, KGd(WO4)2, and KLu(WO4)2 are excellent host materials for trivalent rare-earth-ion (RE3+) doped solid-state lasers [1] because of their high refractive indices of ~2.0−2.1 and the large transition cross-sections of optically active RE3+ ions doped into these hosts [2]. Doping of high Yb3+ concentrations results in extremely short absorption lengths down to < 20 μm.

© 2013 IEEE

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