Microchip Yb:CaLnAlO4 lasers with up to 91% slope efficiency

P Loiko, JM Serres, X Mateos, X Xu, J Xu… - Optics letters, 2017 - opg.optica.org
Multi-watt continuous-wave (CW) operation of tetragonal rare-earth calcium aluminate Yb:
CaLnAlO_4 (Ln= Gd, Y)) crystals in plano–plano microchip lasers was demonstrated with an …

Thermal and population lensing of Yb: YLF at cryogenic temperature

M Kilinc, U Demirbas, JB Gonzalez-Diaz… - Optical Materials …, 2023 - opg.optica.org
We present what is, to our knowledge, the first detailed study of thermal and population
lensing in cryogenically cooled Yb: YLF. Using a rod-shaped a-cut Yb: YLF crystal, the …

Highly efficient, compact Tm3+: RE2O3 (RE= Y, Lu, Sc) sesquioxide lasers based on thermal guiding

P Loiko, P Koopmann, X Mateos… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
Cubic sesquioxides, RE 2 O 3, where RE= Y, Lu or Sc, are attractive host crystals for thulium
(Tm 3+) do**. A comparison of the spectroscopic properties of Tm 3+: RE 2 O 3 crystals in …

Monolithic 591-nm laser with cooperative multiphonon-coupling and nonlinear frequency-doubling

H Si, F Liang, Y Zhou, D Lu, H Yu, H Zhang, Y Wu - Optics Letters, 2023 - opg.optica.org
Stable and miniaturized orange lasers at 591 nm are in urgent demand for ophthalmology
and dermatological treatment. However, at present, traditional dye lasers and nonlinear sum …

Diode-pumped sub-50-fs Kerr-lens mode-locked Yb: GdYCOB laser

H Zeng, H Lin, Z Lin, L Zhang, Z Lin, G Zhang… - Optics …, 2021 - opg.optica.org
We present a sub-50-fs diode-pumped Kerr-lens mode-locked laser employing a novel
“mixed” monoclinic Yb: Ca_4 (Gd, Y) O (BO_3) _3 (Yb: GdYCOB) crystal as a gain medium …

Comparative spectroscopic and thermo-optic study of Tm:LiLnF4 (Ln = Y, Gd, and Lu) crystals for highly-efficient microchip lasers at ~2 μm

P Loiko, JM Serres, X Mateos, S Tacchini… - Optical Materials …, 2017 - opg.optica.org
We report on a detailed comparative study of the spectroscopic and thermo-optic properties
of tetragonal Tm: LiLnF_4 (Ln= Y, Gd, and Lu) crystals indicating their suitability for highly …

Highly efficient continuous-wave and passively Q-switched Yb: YLuGdCOB compact lasers

L Dong, F Liu, J Chen, J Liu - Optics Express, 2021 - opg.optica.org
Highly efficient operation of an Yb: YLuGdCOB compact laser was demonstrated, producing
an output power of 14.30 W around 1054 nm, with an optical-to-optical efficiency of 70.0 …

Growth and characterization of Tm x Y 1− x COB single crystals for nonlinear optical applications

X He, X Tu, S Wang, K **ong, L Shen, Y Zheng… - CrystEngComm, 2020 - pubs.rsc.org
Yttrium calcium oxyborate (YCOB) crystals are excellent nonlinear optical crystals. Tm-
doped YCOB crystals, TmxY1− xCa4O (BO3) 3 (x= 0.1, 0.3, 0.5, 0.7, 0.9, and 1), were grown …

Thermal modeling of an external cavity diamond Raman laser

J Ding, Y Li, H Chen, Y Cai, Z Bai, Y Qi, B Yan… - Optics & Laser …, 2022 - Elsevier
Thermal effects are some of the most significant factors limiting power scalability and beam
quality of laser systems. In this work we examine both theoretically and experimentally, the …

Rise in power of Yb: YCOB for green light generation by self-frequency doubling

F Khaled, P Loiseau, G Aka, L Gheorghe - Optics Letters, 2016 - opg.optica.org
Spectroscopic properties and self-frequency-doubling laser performance are presented for
Yb: YCa_4O (BO_3) _3 (Yb: YCOB) crystals oriented for type I second-harmonic generation …