A review on heat affected zone softening of dual-phase steels during laser welding

MS Khan, M Soleimani, ARH Midawi… - Journal of Manufacturing …, 2023 - Elsevier
The usage of dual-phase (DP) steels in the production of laser-welded blanks in the
automotive industry is of critical importance to the progression of passenger safety and …

Controlled generation of higher-order Poincaré sphere beams from a laser

D Naidoo, FS Roux, A Dudley, I Litvin, B Piccirillo… - Nature …, 2016 - nature.com
The angular momentum of light can be described by positions on a higher-order Poincaré
sphere, where superpositions of spin and orbital angular momentum states give rise to laser …

Vectorial doppler metrology

L Fang, Z Wan, A Forbes, J Wang - Nature Communications, 2021 - nature.com
The Doppler effect is a universal wave phenomenon that has spurred a myriad of
applications. In early manifestations, it was implemented by interference with a reference …

Biomimetic surface structuring using cylindrical vector femtosecond laser beams

E Skoulas, A Manousaki, C Fotakis, E Stratakis - Scientific reports, 2017 - nature.com
We report on a new, single-step and scalable method to fabricate highly ordered, multi-
directional and complex surface structures that mimic the unique morphological features of …

Heat accumulation during pulsed laser materials processing

R Weber, T Graf, P Berger, V Onuseit… - Optics express, 2014 - opg.optica.org
Laser materials processing with ultra-short pulses allows very precise and high quality
results with a minimum extent of the thermally affected zone. However, with increasing …

Vectorial holograms with a dielectric metasurface: ultimate polarization pattern generation

E Arbabi, SM Kamali, A Arbabi, A Faraon - ACS Photonics, 2019 - ACS Publications
Controlling the polarization of light has been of interest for various applications in laser
materials processing, display systems, and spectroscopy among others. Despite great …

Ultrafast laser manufacturing: from physics to industrial applications

L Orazi, L Romoli, M Schmidt, L Li - CIRP Annals, 2021 - Elsevier
Modern ultrafast lasers are enabling better operative performances in micro and nano-
fabrications of materials, benefited from their ease of use, robustness, and reliability. The …

Reconfigurable structured light generation in a multicore fibre amplifier

D Lin, J Carpenter, Y Feng, S Jain, Y Jung… - Nature …, 2020 - nature.com
Structured light, with spatially varying phase or polarization distributions, has given rise to
many novel applications in fields ranging from optical communication to laser-based …

The effect of laser impingement angle on the optimization of melt pool geometry to improve process stability during high-speed laser welding of thin-gauge automotive …

MS Khan, S Ali, D Westerbaan, W Duley, E Biro… - Journal of Manufacturing …, 2022 - Elsevier
Automated laser welding is a popular fusion joining method used for numerous applications
involving the joining of similar and dissimilar materials of varying thicknesses. Laser welding …

Laser microprocessing of steel with radially and azimuthally polarized femtosecond vortex pulses

OJ Allegre, W Perrie, SP Edwardson… - Journal of …, 2012 - iopscience.iop.org
The use of a liquid-crystal spatial light modulator (SLM) device to convert a linearly polarized
femtosecond laser beam into a radially or azimuthally polarized vortex beam is …