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Diode pumped cryogenic Yb:Lu.sub.3./sub.Al.sub.5./sub.O.sub.12./sub. laser in continuous-wave and pulsed regime

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    SYSNO ASEP0541680
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleDiode pumped cryogenic Yb:Lu3Al5O12 laser in continuous-wave and pulsed regime
    Author(s) David, Samuel Paul (FZU-D) ORCID
    Jambunathan, Venkatesan (FZU-D)
    Yue, Fangxin (FZU-D)
    Lucianetti, Antonio (FZU-D) RID
    Mocek, Tomáš (FZU-D) RID, ORCID, SAI
    Number of authors5
    Article number106720
    Source TitleOptics and Laser Technology. - : Elsevier - ISSN 0030-3992
    Roč. 135, Mar (2021)
    Number of pages6 s.
    Languageeng - English
    CountryGB - United Kingdom
    KeywordsLuAG crystal ; cryogenic lasers ; diode pumped solid state laser ; passive Q-switching
    Subject RIVBH - Optics, Masers, Lasers
    OECD categoryOptics (including laser optics and quantum optics)
    R&D ProjectsEF15_006/0000674 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    LO1602 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    Method of publishingOpen access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000597286100001
    EID SCOPUS85096397868
    DOI10.1016/j.optlastec.2020.106720
    AnnotationWe report on diode pumped cryogenic Yb: Lu3Al5O12 (LuAG) laser in the continuous-wave and pulsed regime. Under given experimental condition, we determined an optimum crystal temperature of 140 K for efficient laser operation. A maximum output power of 10.46 W with slope efficiency values of 48.6 and 67% with respect to incident and absorbed power respectively were achieved for an output coupler transmission of 40%. Yb:LuAG laser performed significantly better at 140 K with an output power 16 times and slope efficiency 7 times better than the values at 240 K. Self-starting passively Q-switched Yb:LuAG lasers were also characterized using Cr:YAG saturable absorbers with three different initial transmissions. A maximum pulse energy of 0.215 mJ and a peak power of 1.46 kW were obtained corresponding to the shortest pulse duration of 148 ns.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2022
    Electronic addresshttp://hdl.handle.net/11104/0319211
Number of the records: 1