Author, as appears in the article.: Zhang L; Basyrova L; Loiko P; Camy P; Lin Z; Zhang G; Slimi S; Sole RM; Mateos X; Aguilo M; Diaz F; Dunina E; Kornienko A; Griebner U; Petrov V; Wang L; Chen W
Department: Química Física i Inorgànica
URV's Author/s: Aguiló Díaz, Magdalena / Díaz González, Francisco Manuel / Mateos Ferré, Xavier / Slimi, Sami / Solé Cartañà, Rosa Maria
Keywords: Diode-pumped er yag laser relaxation performance optical-properties laser operation intensities glass energy continuous-wave
Abstract: We report on the growth, structure, and polarized spectroscopy of a novel promising laser crystal, erbium-doped magnesium monotungstate, Er3+:MgWO4. 1.01 t.% Er3+:MgWO4 was grown by the Top-Seeded Solution Growth method using Na2WO4 as a solvent. The crystal structure was refined by the Rietveld method. Er3+:MgWO4 belongs to the monoclinic class (sp. gr. P2/c, wolframite-type structure, lattice parameters: a = 4.6939(6) Å, b = 5.6747(4) Å, c = 4.9316(6) Å and β = 90.7858(4) Å. The transition intensities for Er3+ ions were determined using the Judd-Ofelt theory accounting for an intermediate configuration interaction (ICI). Er3+ ions in MgWO4 exhibit intense, strongly polarized and broad absorption and emission bands owing to their accommodation in distorted low-symmetry sites (C2). The stimulated-emission cross-section for the 4I13/2 →4I15/2 transition is 0.31×10-20 cm2 at 1637 nm (light polarization: E | | b). The radiative lifetime of the 4I13/2 state is 4.85 ± 0.05 ms. The multiphonon non-radiative relaxation for Er3+ excited multiplets is quantified. Er3+ ions in MgWO4 feature large Stark splitting of the ground-state, ΔE(4I15/2) = 435 cm-1. Er3+:MgWO4 is attractive for low-threshold lasers at ∼1.64 μm.
Thematic Areas: Química Optics Materials science, multidisciplinary Materiais Interdisciplinar Engenharias iv Engenharias iii Engenharias ii Electronic, optical and magnetic materials Biotecnología Astronomia / física
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: sami.slimi@estudiants.urv.cat sami.slimi@estudiants.urv.cat magdalena.aguilo@urv.cat rosam.sole@urv.cat xavier.mateos@urv.cat f.diaz@urv.cat
Author identifier: 0000-0001-6130-9579 0000-0002-5769-4141 0000-0003-1940-1990 0000-0003-4581-4967
Record's date: 2024-09-07
Papper version: info:eu-repo/semantics/publishedVersion
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Optical Materials Express. 12 (5): 2028-2040
APA: Zhang L; Basyrova L; Loiko P; Camy P; Lin Z; Zhang G; Slimi S; Sole RM; Mateos X; Aguilo M; Diaz F; Dunina E; Kornienko A; Griebner U; Petrov V; Wang (2022). Growth, structure, and polarized spectroscopy of monoclinic Er3+:MgWO4 crystal. Optical Materials Express, 12(5), 2028-2040. DOI: 10.1364/ome.449649
Entity: Universitat Rovira i Virgili
Journal publication year: 2022
Publication Type: Journal Publications
Repositori URV