2-μm lasers with fluoride crystals: Research and development

F Cornacchia, A Toncelli, M Tonelli - Progress in Quantum Electronics, 2009 - Elsevier
In the present work we present a review of the 2μm laser based on fluoride crystals. We will
provide a brief description of the theoretical aspects of rare earth ions embedded in …

Energy-transfer processes in Yb:Tm-doped and single crystals for laser operation at 1.5 and 2.3 μm

A Braud, S Girard, JL Doualan, M Thuau, R Moncorgé… - Physical Review B, 2000 - APS
Energy-transfer processes have been quantitatively studied in various Tm: Yb-doped
fluoride crystals. A comparison between the three host crystals which have been examined …

Latest developments of bulk crystals and thin films of rare-earth doped CaF2 for laser applications

JL Doualan, P Camy, R Moncorgé, E Daran… - Journal of Fluorine …, 2007 - Elsevier
Several CaF2 single crystals doped with trivalent rare-earth ions have been grown in the
recent years in the form of bulk crystals by using the Bridgman method and in the form of thin …

Continuous-wave Tm: YLF laser with ultrabroad tuning (1772-2145 nm)

U Demirbas, J Thesinga, E Beyatli, M Kellert… - Optics express, 2022 - opg.optica.org
We report detailed experimental data aiming for rigorous investigation of Tm: YLF laser
performance, especially with a focus on tuning behavior. Continuous-wave (cw) lasing …

Optical properties of Dy3+- and Nd3+-doped KPb2Cl5

MC Nostrand, RH Page, SA Payne, LI Isaenko… - JOSA B, 2001 - opg.optica.org
Optical properties including radiative quantum efficiencies, cross-relaxation coefficients,
refractive index, energy-gap law parameters, and maximum phonon energy are presented …

Highly efficient 2.3 µm thulium lasers based on a high-phonon-energy crystal: evidence of vibronic-assisted emissions

P Loiko, E Kifle, L Guillemot, JL Doualan, F Starecki… - JOSA B, 2021 - opg.optica.org
We report on highly efficient and power-scalable laser operation in a thulium-doped high-
phonon-energy crystal [monoclinic double tungstate, KLu (WO_4) _2] on the^ 3H_4 …

A membrane biosensor based on colour differences encoded upconversion silica nanoparticles for multiplex nucleic acids detection

T Gu, J Zhong, Z Wang, P Bai - Chemical Engineering Journal, 2023 - Elsevier
Upconversion luminescent nanomaterials provide a powerful tool for multiplex nucleic acids
detection simultaneously. However, the conventional encoding methods based on emission …

Mid-infrared emission properties of the Tm3+-doped sesquioxide crystals Y2O3, Lu2O3, Sc2O3 and mixed compounds (Y, Lu, Sc) 2O3 around 1.5-, 2-and 2.3-μm

R Moncorgé, Y Guyot, C Kränkel, K Lebbou… - Journal of …, 2022 - Elsevier
Abstract Tm 3+-doped sesquioxides Y 2 O 3, Lu 2 O 3 and Sc 2 O 3 are well known for their
emissions around 2 μm (3 F 4→ 3 H 6 transition). We study here their absorption and …

Watt-level mid-infrared continuous-wave Tm: YAG laser operating on the 3H4→ 3H5 transition

L Guillemot, P Loiko, E Kifle, JL Doualan, A Braud… - Optical Materials, 2020 - Elsevier
We report on the first continuous-wave mid-infrared Tm: Y 3 Al 5 O 12 laser operating on the
3 H 4→ 3 H 5 transition. The 3.2 at.% Tm: Y 3 Al 5 O 12 laser generated a maximum output …

Temperature dependence of the fluorescence lifetime and emission cross section of Tm: YLF in the 78–300 K range

U Demirbas, J Thesinga, M Kellert… - Optical Materials …, 2022 - opg.optica.org
We have investigated the spectroscopic properties of Tm: YLF material around 1900 nm in
detail to understand its amplification performance at cryogenic temperatures. Fluorescence …