Articles producció científica> Química Física i Inorgànica

Prospects of monoclinic Yb:KLu(WO4)2 crystal for multi-watt microchip lasers

  • Identification data

    Identifier: PC:2845
    Authors:
    Xavier MateosJosep Maria SerresPavel LoikoKonstantin YumashevNikolai KuleshovValentin PetrovUwe GriebnerMagdalena AguilóFrancesc Díaz
    Abstract:
    URL: https://www.osapublishing.org/ome/abstract.cfm?uri=ome-5-3-661 DOI: 10.1364/OME.5.000661 Filiació URV: SI
  • Others:

    Author, as appears in the article.: Xavier Mateos; Josep Maria Serres; Pavel Loiko; Konstantin Yumashev; Nikolai Kuleshov; Valentin Petrov; Uwe Griebner; Magdalena Aguiló; Francesc Díaz
    Department: Química Física i Inorgànica
    URV's Author/s: MATEOS FERRÉ, XAVIER; Josep Maria Serres; Pavel Loiko; Konstantin Yumashev; Nikolai Kuleshov; Valentin Petrov; Uwe Griebner; AGUILÓ DÍAZ, MAGDALENA; DÍAZ GONZÁLEZ, FRANCISCO MANUEL
    Abstract: Abstract: The concept of Yb-doped double tungstate microchip lasers is verified and scaled to the multi-watt power level. The active element is a 2.6 mm-thick Yb:KLuW crystal cut along the Ng optical indicatrix axis. Maximum continuous-wave output power of 4.4 W is extracted at 1049 nm with a slope efficiency of 65% and an optical-to-optical efficiency of 44% with respect to the absorbed pump power. The laser emission is linearly polarized and the intensity profile is characterized by a near-circular TEM00 mode with M2 x,y < 1.1. Due to low intracavity losses of the microchip laser, laser operation at wavelengths as long as 1063 nm is achieved. The mechanism of the thermal mode stabilization in the microchip cavity is confirmed. At very low resonator losses polarization-switching between E || Nm and Np oscillating states is observed and explained on the basis of spectroscopic and thermal lens characteristics.
    Research group: Física i Cristal·lografia de Nanomaterials Física i Cristal.lografia de Materials
    Thematic Areas: Chemistry Química Química
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 2159-3930
    Author identifier: 0000-0003-1940-1990; ; ; ; ; ; ; 0000-0001-6130-9579; 0000-0003-4581-4967
    Record's date: 2017-05-26
    Last page: 667
    Journal volume: 5
    Papper version: info:eu-repo/semantics/publishedVersion
    Link to the original source: https://www.osapublishing.org/ome/abstract.cfm?uri=ome-5-3-661
    Funding program: altres; Grups consolidats Generalitat de Catalunya; 2014SGR1358 plan; RETOS; MAT2013-47395-C4-4-R plan; Excelencia; MAT2011-29255-C02- 02
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Article's DOI: 10.1364/OME.5.000661
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2015
    First page: 661
    Publication Type: Article Artículo Article
  • Keywords:

    Làsers
    Chemistry
    Química
    Química
    2159-3930
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