[HTML][HTML] Luminescence and laser properties of RE-doped silica optical fibers: The role of composition, fabrication processing, and inter-ionic energy transfers

P Vařák, M Kamrádek, J Mrázek, O Podrazký… - Optical Materials: X, 2022 - Elsevier
Silica glass doped with rare-earth ions remains one of the most frequently used materials for
fiber lasers and amplifiers, owing to various advantages such as high thermal resistance …

[HTML][HTML] Nanoparticle do** and molten-core methods towards highly thulium-doped silica fibers for 0.79 μm-pumped 2 μm fiber lasers–A fluorescence lifetime study

P Vařák, M Leich, M Kamrádek, J Aubrecht… - Journal of …, 2024 - Elsevier
We study the fluorescence lifetime of Thulium-doped silica fibers for efficient laser operation
in the 2 μm “eye-safe” wavelength range pumped by 0.79 μm radiation. A large set of optical …

Energy transfer coefficients in thulium-doped silica fibers

M Kamrádek, J Aubrecht, P Vařák, J Cajzl… - Optical Materials …, 2021 - opg.optica.org
Energy transfer coefficients in thulium-doped silica fibers are key parameters for a reliable
numerical modeling and optimization of high-power fiber lasers pumped at 790 nm and …

Near-IR and mid-IR luminescence and energy transfer in fluoroindate glasses co-doped with Er3+/Tm3+

M Kochanowicz, J Zmojda, A Baranowska… - Optical Materials …, 2019 - opg.optica.org
This work reports on the analysis of near-IR and mid-IR luminescence spectra and their
decays in fluoroindate glasses co-doped with Er^ 3+/Tm^ 3+. In particular, the energy …

Structural and optical properties in Tm3+/Tm3+–Yb3+ doped NaLuF4 glass‐ceramics

JJ Velázquez, R Balda, J Fernández… - … Journal of Applied …, 2021 - Wiley Online Library
Abstract Transparent NaLuF4 glass‐ceramics (GCs) doped with Tm3+ and Tm3+/Yb3+ have
been prepared by melting‐quenching followed by thermal treatment at temperatures near …

Tm3+: KY (WO4) 2 single crystals: Controlled growth and spectroscopic assessment

SA Guretskii, EL Trukhanova, AV Kravtsov… - Optical Materials, 2021 - Elsevier
Abstract Tm 3+: KY (WO 4) 2 (KYW) single crystals were grown by the modified Czochralski
method. The factors affecting the crystallization processes are studied focusing on …

Spectroscopy of Tm3+-doped CaF2 waveguiding thin films grown by Liquid Phase Epitaxy

P Loiko, G Brasse, L Basyrova, A Benayad… - Journal of …, 2021 - Elsevier
Thulium-doped calcium fluoride (Tm: CaF 2) single-crystalline films are grown on (100)-
oriented undoped bulk CaF 2 substrates by Liquid Phase Epitaxy (LPE) using LiF as a …

Spectroscopy and energy transfer in lead borate glasses doubly doped with Tm3+ and Dy3+ ions

A Górny, M Sołtys, J Pisarska, WA Pisarski - Spectrochimica Acta Part A …, 2018 - Elsevier
Lead borate glasses singly and doubly doped with Tm 3+ and Dy 3+ were prepared by
traditional melt-quenching technique. The emission spectra of rare earths in studied glass …

Fluorescence lifetime of highly rare-earth-doped silica optical fibers–the influence of composition and fabrication processing

P Vařák, P Peterka, M Kamrádek… - 2024 24th …, 2024 - ieeexplore.ieee.org
Rare-earth (RE) doped optical fibers based on silica glass are frequently used as active gain
medium in optical fiber lasers or amplifiers. Amongst other RE ions, trivalent ions of erbium …

Optical Upconversion Properties Of Tm2O3/Yb2O3 Doped Lead Tellurite Glasses

GF Ansaria, SP Mahato - International Journal for Global …, 2023 - journals.icapsr.com
The melt-quench process was used to create the lead-tellurite glasses codoped with
lanthanides as thulium and ytterbium. Thermal characterization carried by differential …