Effect of Laser-Textured Cu Foil with Deep Ablation on Si Anode Performance in Li-Ion Batteries
Nanomaterials, 2023 Si is a highly promising anode material due to its superior theoretical capacity of up to 3579 mAh/g. However, it is worth noting that Si anodes experience significant volume expansion (>300%) during charging and discharging.
Jingbo Wang +5 more
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Design of the integrated laser welding head with a continuously adjustable focus rotation radius
Results in Physics, 2022 In this paper, the integrated laser welding head with a continuously adjustable focus rotation radius was achieved by using the output shaft (hollow shaft) of the high-frequency motor as the laser transmission tube for laser transmission, laser ...
Q. Wu +6 more
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A Review of an Investigation of the Ultrafast Laser Processing of Brittle and Hard Materials [PDF]
MaterialsJiecai Feng, Ying-Zhong Tian
exaly +2 more sources
High-power, µJ-class Kerr-lens mode-locked thin-disk oscillators at 2.1 µm [PDF]
EPJ Web of ConferencesWe report on the development of 2.1-µm high-power Kerr-lens mode-locked thin-disk oscillator configurations based on Ho:YAG, reaching up to 29 W of output power and 1.74 µJ of pulse energy.
Tomilov Sergei +6 more
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Broadband regenerative amplifier based on Ho:CALGO at 2.1 μm [PDF]
EPJ Web of ConferencesWe present a broadband Ho:CALGO regenerative amplifier operating at 2.1 μm, delivering a pulse energy of 342 μJ at 1 kHz with a spectral bandwidth of 5 nm, supporting sub-ps pulse duration.
Suzuki Anna +4 more
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Multi-stage keyhole evolution in fiber laser welding: An experimental study and theoretical analysis
Results in Physics, 2021 Laser welding with high beam intensity generates a metal vapor, which partially displaces the metal melt, forming a narrow keyhole-shaped fusion zone. This study conducted theoretical analysis of the keyhole formation processes within fiber laser welding,
Shihui Guo +4 more
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Dual-beam multipass cell compression for time-resolved femtosecond spectroscopy setups [PDF]
EPJ Web of ConferencesWe present a dual-beam single multi-pass cell compressor designed for applications in time-resolved pump-probe spectroscopy. A single MPC simultaneously compresses two beams with different pulse energies to the same pulse duration, allowing for ...
Omar Alan +3 more
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Characterizations of welding mode transformation process during 1-μm and 10-μm laser welding
AIP Advances, 2020 To reveal the enhancing energy coupling effect of plasma, a comparison of the welding mode transformation process during 1-µm and 10-µm laser welding of aluminum alloys is carried out through experimental observation and theoretical analysis.
S. H. Guo, J. L. Zou, R. S. Xiao
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Laser-driven few-cycle terahertz sources with high average power [PDF]
APL PhotonicsUltrafast laser-driven terahertz sources are gaining in popularity in an increasingly wide range of scientific and technological applications. However, many fields continue to be severely limited by the typically low average power of these sources, which
Robin Löscher +7 more
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Modulated Noncollinear Optical Parametric Amplifier Output Induced by Stimulated Raman Scattering
Applied Sciences, 2021 We studied spectra of the amplified signal from a noncollinear optical parametric amplifier (NOPA) based on a Ti:sapphire laser and BBO crystal gain medium.
Takayoshi Kobayashi, Zhuan Wang, Jun Liu
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