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Crystal growth, optical spectroscopy, and continuous-wave laser operation of co-doped (Ho, Tm):KLu(WO.sub.4./sub.).sub.2./sub. monoclinic crystals
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SYSNO ASEP 0510573 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Crystal growth, optical spectroscopy, and continuous-wave laser operation of co-doped (Ho, Tm):KLu(WO4)2 monoclinic crystals Author(s) Jambunathan, Venkatesan (FZU-D)
Schmidt, A. (DE)
Mateos, X. (ES)
Pujol, M.C. (ES)
Griebner, U. (DE)
Petrov, V. (DE)
Zaldo, C. (ES)
Aguilo, M. (ES)
Díaz, E. (ES)Number of authors 9 Source Title Journal of the Optical Society of America. B. - : Optical Society of America - ISSN 0740-3224
Roč. 31, č. 7 (2014), s. 1415-1421Number of pages 7 s. Language eng - English Country US - United States Keywords crystal growth ; optical spectroscopy ; monoclinic crystals Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects ED2.1.00/01.0027 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EE2.3.20.0143 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000338931700002 EID SCOPUS 84903695490 DOI 10.1364/JOSAB.31.001415 Annotation We report on the crystal growth, optical spectroscopy, and room-temperature continuous-wave laser generation around 2 μm with co-doped Ho, Tm∶KLu WO42 monoclinic crystals. Co-doped crystals at different doping levels were grown by the top-seeded solution growth slow-cooling method. We characterized the spectroscopy of Ho and Tm ions in KLuW in terms of polarized optical absorption, photoluminescence, and lifetime measurements. Continuous-wave laser operation at room-temperature at a wavelength of 2.06 μm was achieved with several crystals at different co-doping levels, establishing that the optimum doping ratio is 5.29 × 1019 at:∕cm3 for Ho and 3.10 × 1020 at:∕cm3 for Tm (0.5 at. %Ho, 5.0 at. %Tm:KLuW), reaching a maximum output power of 145 mW and a slope efficiency of 12.9% Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2020 Electronic address https://doi.org/10.1364/josab.31.001415
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