Effects of beam configurations on wire melting and transfer behaviors in dual beam laser welding with filler wire

G Ma, L Li, Y Chen - Optics & Laser Technology, 2017 - Elsevier
… The objective of this work was to investigate the effects of dual beam configurations on
wire melting and transfer behaviors in different transfer modes. Meanwhile, the difference of …

Single and dual beam optical switching of resonance energy transfer

DL Andrews, RG Crisp, S Li - The Journal of chemical physics, 2007 - pubs.aip.org
… to optically effect excitation transfer with a pair of laser beams. It is shown how the use of two
beams presents a number of advantages over a single-beam setup, because extra degrees …

Ultrasensitive dual-beam absorption and gain spectroscopy: applications for near-infrared and visible diode laser sensors

MG Allen, KL Carleton, SJ Davis, WJ Kessler… - Applied Optics, 1995 - opg.optica.org
A dual-beam detection strategy with automatic balancing is described for ultrasensitive …
With the dual-beam technique, atmospherically broadened absorption transitions may be …

Transient heat transfer analysis of a cracked strip irradiated by ultrafast Gaussian laser beam using dual-phase-lag theory

W Yang, A Pourasghar, Y Cui, L Wang… - … of Heat and Mass Transfer, 2023 - Elsevier
… In the present article, the non-Fourier dual-phase-lag heat conduction … laser heating. The
originality of this work lies in considerations of Gaussian type distribution of the laser beam and …

Analytical and numerical analysis of the dual-pulse lag heat transfer in a three-dimensional tissue subjected to a moving multi-point laser beam

B Partovi, H Ahmadikia, M Mosharaf-Dehkordi - Journal of Thermal Biology, 2023 - Elsevier
… the moving single-point laser beams. In the present study, the heat transfer of a moving
multi-point laser on a three-dimensional skin tissue is investigated using a dual-phase lag model …

Numerical simulation analysis of dual-beam laser welding of tailored blanks with different thicknesses

X Zhang, L Li, Y Chen, X Zhu, S Ji - Metals, 2019 - mdpi.com
dual-beam laser welding has been put forward to weld tailored blanks with different thicknesses.
The arrangement mode and power ratio of dual-beam laser determine the heat transfer

Self-consistent modeling of keyhole and weld pool dynamics in tandem dual beam laser welding of aluminum alloy

S Pang, W Chen, J Zhou, D Liao - Journal of Materials Processing …, 2015 - Elsevier
… in dual beam laser welding. The mechanism of process stabilization of tandem dual beam
laser welding over single beam laser … heat transfer and fluid flow model of dual beam laser

Investigation of fluid flow and heat transfer in 3D dual-beam laser keyhole welding

J Zhou, HL Tsai - … Manufacturing Science and …, 2010 - asmedigitalcollection.asme.org
… of the dual-beam laser welding process, it … dualbeam laser welding are very limited. Chen
and Kannatey-Asibu [31] studied the heat transfer during a conduction-mode dual beam laser

Investigations of femtosecond-nanosecond dual-beam laser ablation of dielectrics

ZH Rao, CH Lin, L Jiang, WJ Tsai… - … Heat Transfer, 2009 - asmedigitalcollection.asme.org
… distribution with ablation crater shapes within the ns laser pulse duration for fs-ns dual
beam laser ablation. Before the fs laser pulse, the lattice temperature is almost unchanged and …

Numerical and experimental analysis on the effect of ring beam-driven flow in coaxial dual-beam laser welding of aluminum alloy

J Lee, J Jang, J Park, SH Lee - … Communications in Heat and Mass Transfer, 2024 - Elsevier
… In this study, a numerical model to simulate the coaxial dual-beam laser welding process
of the aluminum alloy was developed to analyze the changes in heat transfer, fluid flow within …