Autor segons l'article: Volokitina, Anna; David, Samuel Paul; Loiko, Pavel; Subbotin, Kirill; Titov, Anatoly; Lis, Denis; Sole, Rosa Maria; Jambunathan, Venkatesan; Lucianetti, Antonio; Mocek, Tomas; Camy, Patrice; Chen, Weidong; Griebner, Uwe; Petrov, Valentin; Aguilo, Magdalena; Diaz, Francesc; Mateos, Xavier
Departament: Química Física i Inorgànica
Autor/s de la URV: Aguiló Díaz, Magdalena / Díaz González, Francisco Manuel / Mateos Ferré, Xavier / Solé Cartañà, Rosa Maria / Volokitina, Anna
Paraules clau: Znwo4; Zinc tungstate; Ytterbium lasers; Yb3+; Yb-klu(wo4)(2) laser; Stark splitting; Single-crystals; Power; Performance; Optical spectroscopy; Nagd(wo4)(2); Luminescence; Laser operation; Growth; Crystal-field analysis; Continuous-wave
Resum: © 2020 Monoclinic ytterbium-lithium codoped zinc monotungstate crystal (Yb3+,Li+:ZnWO4) is a promising material for laser opertation at ~1.06 μm. Absorption, σabs, and stimulated-emission, σSE, cross-sections are determined for light polarized along the optical indicatrix axes, E || Np, Nm and Ng. At room temperature, the maximum σSE amounts to 2.81 × 10−20 cm2 at 1055.6 nm (for E || Np) and the gain bandwidth reaches ~22 nm (for E || Ng). The radiative lifetime of the upper laser level is 0.37 ms. The Stark splitting of Yb3+ multiplets is resolved with low-temperature (6 K) spectroscopy revealing a relatively large total splitting of the ground-state, ΔE(2F7/2) = 804 cm−1, being remarkably high as compared to other Yb3+-doped tungstate crystals. A notable inhomogeneous broadening of the zero-phonon line is detected at 6 K. A continuous-wave diode-pumped 1.8 at.% Yb3+,Li+:ZnWO4 laser generated a maximum output power of 2.90 W at ~1059 nm with a slope efficiency of 57.9% and a linearly polarized output (E || Np). Yb3+,Li+:ZnWO4 is attractive for broadly tunable and mode-locked oscillators.
Àrees temàtiques: 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
Accès a la llicència d'ús: https://creativecommons.org/licenses/by/3.0/es/
Adreça de correu electrònic de l'autor: anna.volokitina@estudiants.urv.cat; magdalena.aguilo@urv.cat; rosam.sole@urv.cat; xavier.mateos@urv.cat; f.diaz@urv.cat
Data d'alta del registre: 2024-10-19
Versió de l'article dipositat: info:eu-repo/semantics/acceptedVersion
Enllaç font original: https://www.sciencedirect.com/science/article/abs/pii/S0022231320317786?via%3Dihub
URL Document de llicència: https://repositori.urv.cat/ca/proteccio-de-dades/
Referència a l'article segons font original: Journal Of Luminescence. 231 (117811): 117811-
Referència de l'ítem segons les normes APA: Volokitina, Anna; David, Samuel Paul; Loiko, Pavel; Subbotin, Kirill; Titov, Anatoly; Lis, Denis; Sole, Rosa Maria; Jambunathan, Venkatesan; Lucianett (2021). Monoclinic zinc monotungstate Yb3+,Li+:ZnWO4: Part II. Polarized spectroscopy and laser operation. Journal Of Luminescence, 231(117811), 117811-. DOI: 10.1016/j.jlumin.2020.117811
DOI de l'article: 10.1016/j.jlumin.2020.117811
Entitat: Universitat Rovira i Virgili
Any de publicació de la revista: 2021
Tipus de publicació: Journal Publications
Repositori URV