Results 21 to 30 of about 114,505 (312)

GHz bursts in MHz burst (BiBurst) enabling high-speed femtosecond laser ablation of silicon due to prevention of air ionization

International Journal of Extreme Manufacturing, 2023
For the practical use of femtosecond laser ablation, inputs of higher laser intensity are preferred to attain high-throughput material removal. However, the use of higher laser intensities for increasing ablation rates can have detrimental effects on ...
Kotaro Obata, Francesc Caballero-Lucas, Shota Kawabata, Godai Miyaji, Koji Sugioka   +4 more
doaj   +1 more source

Measurement of laser absorptivity for operating parameters characteristic of laser drilling regime [PDF]

, 2008
Publisher version : http://iopscience.iop.org/0022-3727/41/15/155502/Laser drilling in the percussion regime is commonly used in the aircraft industry to drill sub-millimetre holes in metallic targets.
SCHNEIDER, Matthieu, BERTHE, Laurent, FABBRO, Rémy, MULLER, Maryse   +3 more
core   +1 more source

A Model of Ultra-Short Pulsed Laser Ablation of Metal with Considering Plasma Shielding and Non-Fourier Effect

Energies, 2018
In this paper, a non-Fourier heat conduction model of ultra-short pulsed laser ablation of metal is established that takes into account the effect of the heat source, laser heating of the target, the evaporation and phase explosion of target material ...
Sheng Tan, Jianjun Wu, Yu Zhang, Moge Wang, Yang Ou   +4 more
doaj   +1 more source

Investigation on laser micro ablation of metals using ns-multi-pulses

, 2022
S.440-444Laser ablation with pulse bursts was studied to increase the ablation rate of steel. Pulse bursts consisting of different numbers of pulses between one and three were used.
Noll, R., Aydin, U., Gillner, A., Hartmann, C., Poprawe, R., Fehr, T., Gehlen, C.   +6 more
core   +1 more source

A Randomized Trial Comparing Treatments for Varicose Veins [PDF]

, 2014
BACKGROUND: Ultrasound-guided foam sclerotherapy and endovenous laser ablation are widely used alternatives to surgery for the treatment of varicose veins, but their comparative effectiveness and safety remain uncertain. METHODS: In a randomized trial
Ramsay, Craig R, J Scott, Wileman, S., Elders, Andrew, Baker, Sara A., M Gough, G Scotland, Scott, Julian, Scotland, G., Gough, Michael, M K Campbell, E Tassie, J Norrie, S Baker, Burr, Jennifer, Campbell, Marion K, S Wileman, Campbell, Marion K., Burr, J., Bachoo, P., Ramsay, C. R., Lees, T., Baker, S. A., Earnshaw, J., Francis, J., Elders, A., Burr, J. M., Baker, S., S C Cotton, Brittenden, J., Campbell, Marion Kay, Norrie, John, Baker, Sara A, B Campbell, Francis, Jill, J Francis, Tassie, Emma, Scott, J., J M Burr, A Elders, J Earnshaw, Bachoo, Paul, C R Ramsay, Brittenden, Julie, Ramsay, Craig R., Gough, M., Chetter, I., Cotton, S. C., Lees, Tim, Tassie, E., T Lees, Campbell, Bruce, Wileman, Samantha, Campbell, M. K., Chetter, Ian, Campbell, B., Cotton, Seonaidh C, Cotton, Seonaidh C., Neil Stewart, Earnshaw, Jonothan, J Brittenden, Scotland, Graham, Norrie, J., P Bachoo, I Chetter   +64 more
core   +1 more source

Feedforward Control of Laser Ablation Depth in Bone Tissue Based on a Pulses-Depth Relationship Model

Shanghai Jiaotong Daxue xuebao
Robot-assisted laser ablation of bone tissue is an emerging development in orthopedic surgical robotics, but precise control of the ablation depth remains a major challenge for its clinical application.
PENG Shiqi, LIN Yanping
doaj   +1 more source

Ablation experiment and threshold calculation of titanium alloy irradiated by ultra-fast pulse laser

AIP Advances, 2014
The interaction between an ultra-fast pulse laser and a material's surface has become a research hotspot in recent years. Micromachining of titanium alloy with an ultra-fast pulse laser is a very important research direction, and it has very important ...
Buxiang Zheng, Gedong Jiang, Wenjun Wang, Kedian Wang, Xuesong Mei   +4 more
doaj   +1 more source

Ablation behavior of boron-modified phenolic resin irradiated by high-energy continuous-wave laser and its evolution of carbon structure

Materials & Design, 2019
Despite many years of use of boron-modified phenolic resin (BPF) in the aerospace and auto industry, it is still unknown if such resin can be used in extreme environments, especially under exposure to high energy continuous-wave (CW) laser that can ...
Chen Ma, Zhuang Ma, Lihong Gao, Yanbo Liu, Taotao Wu, Fuchi Wang, Hatsuo Ishida   +6 more
doaj   +1 more source

A comparative study of direct laser ablation and laser-induced plasma-assisted ablation on glass surface

, 2021
This paper presents a comparative study of direct laser ablation (DLA) and laser-induced plasma-assisted ablation (LIPAA) methods to fabricate single-channel microgrooves on the surface of glass substrate by picosecond laser irradiation.
Zhang, D, Jaffery, SHI, Li, H, Xia, Y, Jing, X, Wang, F   +5 more
core   +1 more source

Theoretical and experimental study of dual-fiber laser ablation for prostate cancer. [PDF]

PLoS ONE, 2018
Single-fiber laser treatment of the prostate has been widely accepted in the clinic due to its minimal invasiveness and high controllability. However, for large tumors, multiple insertions of the laser probe would be needed to achieve full coverage of ...
Xing Wu, Kangwei Zhang, Yini Chen, Ren Wang, Lei Chen, Aili Zhang, Bing Hu   +6 more
doaj   +1 more source