Author, as appears in the article.: Zhang X; Loiko P; Mateos X; Serres JM; Ren J; Guo J; Cheng R; Gao C; Dong Q; Jambunathan V; Lucianetti A; Mocek T; Vilejshikova E; Griebner U; Petrov V; Wang Z; Guo S; Xu X; Aguilo M; Diaz F
Department: Química Física i Inorgànica
URV's Author/s: , / Aguiló Díaz, Magdalena / Mateos Ferré, Xavier
Keywords: Ytterbium Stimulated emission Stark splitting Spectroscopy Silicate crystals Crystal growth
Abstract: © 2018 Elsevier B.V. We report on the crystal growth, structure, room- and low-temperature (6 K) absorption and emission spectroscopy of a 3 at% Yb 3+ -doped trigonal ordered langasite-type silicate crystal, Ca 3 NbGa 3 Si 2 O 14 (Yb: CNGS). The Rietveld refinement data are presented. Absorption, stimulated-emission and gain cross-sections are determined for the Yb 3+ ion in CNGS for ? and ? polarizations. The maximum stimulated emission cross-section amounts to ? SE = 0.97 × 10 ?20 cm ?2 at 1014 nm (?-polarization). The Stark splitting of the Yb 3+ multiplets is resolved. Microchip laser operation is obtained with both a-cut and c-cut 3 at% Yb: CNGS samples under end-pumping at 976 nm by a Volume Bragg Grating-stabilized diode laser. For the latter cut, the maximum output power reaches 7.61 W at 1048–1060 nm with a slope efficiency of 59%. By varying the output coupling, multi-watt emission over a 50 nm-broad spectral range is achieved.
Thematic Areas: Química Optics Odontología Medicina ii Medicina i Materiais Interdisciplinar General chemistry Farmacia Ensino Engenharias iv Engenharias iii Engenharias ii Condensed matter physics Ciências biológicas ii Ciências biológicas i Ciências ambientais Ciência de alimentos Chemistry (miscellaneous) Chemistry (all) Biotecnología Biophysics Biochemistry Atomic and molecular physics, and optics Astronomia / física
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 00222313
Author's mail: f.diaz@urv.cat xavier.mateos@urv.cat magdalena.aguilo@urv.cat
Author identifier: 0000-0003-4581-4967 0000-0003-1940-1990 0000-0001-6130-9579
Record's date: 2023-10-14
Papper version: info:eu-repo/semantics/acceptedVersion
Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S0022231317316320
Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Journal Of Luminescence. 197 90-97
APA: Zhang X; Loiko P; Mateos X; Serres JM; Ren J; Guo J; Cheng R; Gao C; Dong Q; Jambunathan V; Lucianetti A; Mocek T; Vilejshikova E; Griebner U; Petrov (2018). Crystal growth, low-temperature spectroscopy and multi-watt laser operation of Yb:Ca3NbGa3Si2O14. Journal Of Luminescence, 197(), 90-97. DOI: 10.1016/j.jlumin.2018.01.004
Article's DOI: 10.1016/j.jlumin.2018.01.004
Entity: Universitat Rovira i Virgili
Journal publication year: 2018
Publication Type: Journal Publications