[HTML][HTML] Spatio-temporal characterization of ultrashort laser beams: a tutorial

SW Jolly, O Gobert, F Quéré - Journal of Optics, 2020 - iopscience.iop.org
The temporal characterization of ultrafast laser pulses has become a cornerstone capability
of ultrafast optics laboratories and is routine both for optimizing laser pulse duration and …

Enhanced Yb: YAG active mirrors for high power laser amplifiers

VA Petrov, GV Kuptsov, AO Kuptsova, VV Atuchin… - Photonics, 2023 - mdpi.com
The work is aimed at the investigation of the influence of nonlinear active ions concentration
profiles in Yb: YAG laser elements on temperature distribution and wavefront distortions …

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 …

Hybrid topological evolution of multi-singularity vortex beams: generalized nature for helical-Ince–Gaussian and Hermite–Laguerre–Gaussian modes

Y Shen, Y Meng, X Fu, M Gong - JOSA A, 2019 - opg.optica.org
A generalized family of scalar structured Gaussian modes including helical-Ince–Gaussian
(HIG) and Hermite–Laguerre–Gaussian (HLG) beams is presented with physical insight …

Excellent performance of a cryogenic Nd:YAlO3 laser with low wavefront distortion based on zero thermal expansion

YJ Song, YZ Xu, S Meng, XX Jiang, CF Shao… - Optics Letters, 2021 - opg.optica.org
High-power solid-state lasers with good beam quality are attracting great attention on
account of their important applications in industry and military. However, the thermal effects …

Excited-state absorption and fluorescence dynamics in Er: CaF2

C Labbe, JL Doualan, R Moncorge, A Braud… - Journal of …, 2018 - Elsevier
Emission, ground-and excited-state absorption spectra of Er: CaF 2 single crystals were
registered from the visible to the mid-infrared. These spectra were calibrated in unit of cross …

Eight-pass Yb: YLF cryogenic amplifier generating 305-mJ pulses

Y Liu, U Demirbas, M Kellert, J Thesinga… - Osa …, 2020 - opg.optica.org
We report record output pulse energies from a cryogenic 8-pass Yb: YLF amplifier system
operating at 10 Hz repetition rate. When seeded with 20-mJ, 1-ns stretched pulses, the …

Laser amplification in an Yb: YAG active mirror with a significant temperature gradient

GV Kuptsov, VA Petrov, VV Petrov, AV Laptev… - Quantum …, 2021 - iopscience.iop.org
A time-dependent model of laser amplification in an Yb: YAG crystal is considered based on
a system of balance equations, as well as radiation transfer and heat conduction equations …

Thermal behavior characterization of a kilowatt-power-level cryogenically cooled Yb: YAG active mirror laser amplifier

H Chi, CM Baumgarten, E Jankowska, KA Dehne… - JOSA B, 2019 - opg.optica.org
We present an analysis of the thermal behavior of a high-energy kilowatt-average-power
diode-pumped cryogenically cooled Yb: YAG active mirror laser amplifier based on …

Power and energy scaling of rod-type cryogenic Yb: YLF regenerative amplifiers

U Demirbas, H Cankaya, M Pergament, FX Kärtner - JOSA B, 2020 - opg.optica.org
We numerically investigate the power and energy scaling potential of cryogenic Yb: YLF
regenerative amplifiers in rod geometry. Our approach is based on solving the coupled set …