Results 21 to 30 of about 277 (107)

Progress in ultrafast laser processing and future prospects

open access: yesNanophotonics, 2017
The unique characteristics of ultrafast lasers have rapidly revolutionized materials processing after their first demonstration in 1987. The ultrashort pulse width of the laser suppresses heat diffusion to the surroundings of the processed region, which ...
Sugioka Koji
doaj   +1 more source

Avant-Garde Ultrafast Laser Writing

open access: yesMATEC Web of Conferences, 2013
Ultrafast laser processing of transparent materials reveals new phenomena. Reviewed, are recent demonstrations of 5D optical memory, vortex polarization and Airy beam converters employing self-assembled nanostructuring, ultrafast laser calligraphy and ...
Kazansky P. G.   +2 more
doaj   +1 more source

Ultrafast-laser powder bed fusion of oxygen-deficient Nb2O5 ceramics with highly improved electrical properties

open access: yesMaterials & Design, 2022
In this work, Nb2O5 layers with highly improved electrical properties respect to pristine material have been produced by ultrafast-laser powder bed fusion process.
B. Sotillo   +3 more
doaj   +1 more source

Nonlinear ultrafast laser processing of diamond surfaces for precision microfabrication

open access: yesPhysical Sciences and Technology
Ultrafast femtosecond laser processing provides a versatile platform for precision micro- and nanoscale modification of wide-bandgap materials such as diamond.
Yelena White
doaj   +3 more sources

In-situ real-time monitoring of ultrafast laser processing using wide-field high-resolution snapshot compressive microscopy

open access: yesLight: Advanced Manufacturing
Over the last few decades, ultrafast laser processing has become a widely used tool for manufacturing microstructures and nanostructures. The real-time monitoring of laser material processing provides opportunities to inspect processes and provide ...
Xiaodong Wang   +8 more
doaj   +1 more source

Ultrafast laser processing of materials: from science to industry [PDF]

open access: yesLight: Science & Applications, 2016
AbstractProcessing of materials by ultrashort laser pulses has evolved significantly over the last decade and is starting to reveal its scientific, technological and industrial potential. In ultrafast laser manufacturing, optical energy of tightly focused femtosecond or picosecond laser pulses can be delivered to precisely defined positions in the bulk
Malinauskas, Mangirdas   +6 more
openaire   +3 more sources

Advances in Laser Drilling of Structural Ceramics

open access: yesNanomaterials, 2022
The high-quality, high-efficiency micro-hole drilling of structural ceramics to improve the thermal conductivity of hot-end parts or achieve high-density electronic packaging is still a technical challenge for conventional processing techniques. Recently,
Xianshi Jia   +4 more
doaj   +1 more source

High-Repetition-Rate Ultrafast Fiber Lasers for Material Processing [PDF]

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2018
Ultrafast lasers operating at high repetition rates, in particular the GHz range, enable new possibilities in laser-material processing, particularly accessing the recently demonstrated ablation-cooled regime. We provide a unified perspective of the unique opportunities created by operating at high repetition rates together with our efforts into the ...
Hamit Kalaycioglu   +3 more
openaire   +3 more sources

A simple technique to overcome self-focusing, filamentation, supercontinuum generation, aberrations, depth dependence and waveguide interface roughness using fs laser processing

open access: yesScientific Reports, 2017
Several detrimental effects limit the use of ultrafast lasers in multi-photon processing and the direct manufacture of integrated photonics devices, not least, dispersion, aberrations, depth dependence, undesirable ablation at a surface, limited depth of
Jerome Lapointe, Raman Kashyap
doaj   +1 more source

Laser processing of micro/nano biomimetic structures

open access: yesMicro & Nano Letters, 2021
Inspired by nature, many researchers have noticed that the micro‐ and nano‐structures originated from organism's surfaces which indict unique properties such as superhydrophobicity, drag reduction, structure colour have much use in academic value ...
Guijian Xiao   +4 more
doaj   +1 more source

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