Continuous-wave co-lasing in a monoclinic co-doped (Ho,Tm):KLu(WO4)2 crystal

We present continuous‐wave laser operation at two wavelengths oscillating simultaneously and originating from two different active ions in a monoclinic co‐doped (Ho,Tm):KLu(WO4)2 crystal. Dual‐wavelength lasing is accomplished at room temperature using Ti:Sapphire laser pumping. The Ho‐ion, lasing a...

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Bibliographic Details
Published in:Laser physics letters 2011-11, Vol.8 (11), p.799-803
Main Authors: Jambunathan, V., Schmidt, A., Mateos, X., Pujol, M.C., Carvajal, J.J., Aguiló, M., Díaz, F., Griebner, U., Petrov, V.
Format: Article
Language:English
Subjects:
co-lasing
Continuous operation
Doped-insulator lasers and other solid state lasers
double tungstates
dual-wavelength
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
KREW
Laser optical systems: design and operation
Lasers
Optics
Physics
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Summary:We present continuous‐wave laser operation at two wavelengths oscillating simultaneously and originating from two different active ions in a monoclinic co‐doped (Ho,Tm):KLu(WO4)2 crystal. Dual‐wavelength lasing is accomplished at room temperature using Ti:Sapphire laser pumping. The Ho‐ion, lasing at 2061 nm and the Tm‐ion, lasing at 1937 or 1919 nm, generate together a maximum output power of 244 mW with a maximum slope efficiency of 24.8%. Tuning with a birefringent filter is possible from 1854 to 2063 nm, with individual tuning ranges of 1854 to 1980 nm for Tm and 1971 to 2063 nm for Ho. (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA) (© 2011 by Astro Ltd., Published exclusively by WILEY‐VCH Verlag GmbH & Co. KGaA)
ISSN:1612-2011
1612-202X
DOI:10.1002/lapl.201110072