Results 61 to 70 of about 6,799 (199)

Femtosecond Beam Transformation Effects in Water, Enabling Increased Throughput Micromachining in Transparent Materials

Applied Sciences, 2019
Femtosecond lasers are widely applied in scientific and industrial fields. Recent trends in the laser market show decreasing prices for femtosecond units, which will ultimately lead to the opening of new markets that were inaccessible in the past due to ...
Simas Butkus, Eugenijus Gaižauskas, Lina Mačernytė, Vytautas Jukna, Domas Paipulas, Valdas Sirutkaitis   +5 more
doaj   +1 more source

New phenomena in ultrafast laser interaction with matter [PDF]

, 2009
Modification of transparent materials with ultrafast lasers has attracted considerable interest due to a wide range of applications including laser surgery, integrated optics, optical data storage, 3D micro- and nano-structuring [1].
Svirko, Yuri P., Shimotsuma, Yasuhiko, Hirao, Kazuyuki, Qiu, Jiarong, Kazansky, Peter G., Sakakura, Masaaki, Yang, Weijia, Beresna, Martynas   +7 more
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Electron microscopic measurement of the size of the optical focus in laser scanning microscopy [PDF]

, 2012
We describe a method for measuring the lateral focal spot size of a multiphoton laser scanning microscope (LSM) with unprecedented accuracy. A specimen consisting of an aluminum film deposited on a glass coverslip was brought into focus in a LSM and the ...
McConnell, Gail
core   +1 more source

Evaluation of the effect of ND:YVO4 laser parameters on internal micro-channel fabrication in polycarbonate [PDF]

, 2011
This paper presents the development of Artificial Neural Network (ANN) models for the prediction of laser machined internal micro-channels’ dimensions and production costs.
Brabazon, Dermot, Karazi, Shadi
core  

Laser micromachining [PDF]

, 2014
This thesis deals with lasers, their general theory and application. Then a theoretical part describes laser micromachining and engraving. Experimental part of thesis deals with several experiments performed by powered fibre laser which is not primarily ...
Láznička, Pavel
core   +2 more sources

On the ultraviolet laser surface texturing and wettability characterization of PEEK hemisphere

Materials Research Express
While polyether ether ketone (PEEK) possesses excellent mechanical and biomedical properties, its surface functionality can be further enhanced by laser surface texturing.
Xiaohui Wang, Peiyun Xu, He Li, Xuan Sun, Xiuhua Men, Junjie Zhang   +5 more
doaj   +1 more source

Welding with high power fiber lasers - A preliminary study. [PDF]

, 2007
The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size.
Costa, A., Miranda, R., Kong, C. J., Quintino, Luísa, Yapp, David, Kumar, Vinod   +5 more
core   +1 more source

3D profiling in a laser micromachining station using dual-comb LiDAR [PDF]

EPJ Web of Conferences
We present a coaxial dual-comb LiDAR integrated into a laser micromachining station, enabling in-situ 3D profiling of machined parts with sub-micrometer axial precision, offering a cost-effective solution with high precision capability.
Pupeikis J., Soghomonyan H., Willenberg B., Stumpp A., Lang L., Phillips C. R., Resan B., Keller U.   +7 more
doaj   +1 more source

Femtosecond laser micromachining of advanced materials [PDF]

Doctor of PhilosophyDepartment of Industrial and Manufacturing Systems EngineeringShuting LeiShuting LeiFemtosecond (fs) laser ablation possesses unique characteristics for micromachining, notably non-thermal interaction with materials, high peak ...
Bian, Qiumei
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Underwater Coaxial Laser-Waterjet Micromachining of Titanium

Engineered Science
Thermal damage is a crucial issue in laser micromachining process, so liquid-assisted laser ablation techniques have been developed to overcome this challenge.
Wisan Charee, Huan Qi, Hao Zhu, Viboon Saetang   +3 more
doaj   +1 more source