Author, as appears in the article.: Loiko, Pavel; Volokitina, Anna; Mateos, Xavier; Dunina, Elena; Kornienko, Alexey; Vilejshikova, Elena; Aguilo, Magdalena; Diaz, Francesc
Department: Química Física i Inorgànica
URV's Author/s: Aguiló Díaz, Magdalena / Díaz González, Francisco Manuel / Mateos Ferré, Xavier / Volokitina, Anna
Keywords: Terbium ions Stimulated emission Luminescence Judd-ofelt theory Double tungstates Absorption
Abstract: © 2018 The spectroscopic properties of Tb 3+ ions in monoclinic KLu(WO 4 ) 2 double tungstate crystal are studied with polarized light. The absorption spectra in the visible, near- and mid-IR including the transitions to all lower-lying 7 F J (J = 0 … 5) excited states are measured. The maximum absorption cross-section for the 7 F 6 ? 5 D 4 transition is 3.42 × 10 ?21 cm 2 at 486.7 nm for light polarization E || N m . The transition probabilities for Tb 3+ ions are calculated within the Judd-Ofelt theory modified for the case of an intermediate configuration interaction (ICI). The radiative lifetime of the 5 D 4 state is 450 ?s and the luminescence quantum yield is > 90%. The polarized stimulated-emission cross-section spectra for all 5 D 4 ? 7 F J (J = 0 … 6) emission channels are evaluated. The maximum ? SE is 11.4 × 10 ?21 cm 2 at 549.4 nm (for E || N m ). Tb 3+ :KLu(WO 4 ) 2 features high transition cross-sections for polarized light being promising for color-tunable visible lasers and imaging.
Thematic Areas: Spectroscopy Química Physical and theoretical chemistry Physical and theoretical c Organic chemistry Optics Odontología Medicina ii Materials science, multidisciplinary Materials science Materiais Interdisciplinar Inorganic chemistry General computer science Engenharias iv Engenharias iii Engenharias ii Electronic, optical and magnetic materials Electrical and electronic engineering Computer science (miscellaneous) Ciências ambientais Ciência de alimentos Biotecnología Biodiversidade Atomic and molecular physics, and optics Astronomia / física
licence for use: https://creativecommons.org/licenses/by/3.0/es/
ISSN: 09253467
Author's mail: anna.volokitina@estudiants.urv.cat magdalena.aguilo@urv.cat xavier.mateos@urv.cat f.diaz@urv.cat
Author identifier: 0000-0002-6091-6534 0000-0001-6130-9579 0000-0003-1940-1990 0000-0003-4581-4967
Last page: 501
Record's date: 2024-10-19
Journal volume: 78
Papper version: info:eu-repo/semantics/acceptedVersion
Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S0925346718301411
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Optical Materials. 78 495-501
APA: Loiko, Pavel; Volokitina, Anna; Mateos, Xavier; Dunina, Elena; Kornienko, Alexey; Vilejshikova, Elena; Aguilo, Magdalena; Diaz, Francesc (2018). Spectroscopy of Tb3+ions in monoclinic KLu(WO4)2crystal application of an intermediate configuration interaction theory. Optical Materials, 78(), 495-501. DOI: 10.1016/j.optmat.2018.03.014
Article's DOI: 10.1016/j.optmat.2018.03.014
Entity: Universitat Rovira i Virgili
Journal publication year: 2018
First page: 495
Publication Type: Journal Publications
Repositori URV