Journal of Materials Research and Technology, 2022 In this paper, the focus rotation has been adopted in the fiber laser butt welding of 4 mm thick Selective Laser Melting GH3536 and rolled solid solution GH3128. The weld morphology, microstructure, microhardness, joint strength and fracture morphologies
Zhiwei Cheng +6 more
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In situ measurement of particle flow during fiber laser additive manufacturing with powder feeding
Results in Physics, 2022 In situ measurement of particle flow is a promising tool to visualize how the particles affect the power feeding laser additive manufacturing (PFLAM).
Jianglin Zou +4 more
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Broadband, high power THz source at 540 kHz using organic crystal BNA
APL Photonics, 2023 We demonstrate efficient optical rectification in the organic crystal BNA (N-benzyl-2-methyl-4-nitroaniline), driven by a temporally compressed, commercially available industrial Yb-laser system operating at a 540 kHz repetition rate. Our terahertz (THz)
Samira Mansourzadeh +5 more
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In situ detection of plume particles in intelligent laser welding
Materials & Design, 2022 This study aimed to propose the in situ measurement of particles based on the self-mixing interferometry (SMI) effect for monitoring the dynamic behaviors of the plume. This method was verified through the in situ measurement of tiny moving metal objects.
Jianglin Zou +4 more
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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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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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Features in the ion emission of Cu, Al, and C plasmas produced by ultrafast laser ablation [PDF]
, 2015 © 2015 AIP Publishing LLC. The bi-modal nature of charge integrated ion kinetic energy distributions, which result from ultrafast laser produced plasmas, is discussed in this paper.
Butler, T. +4 more
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