scholarly journals Investigations on the oxidation phenomenon of SiC/SiC fabricated by high repetition frequency femtosecond laser

2020 ◽  
Vol 502 ◽  
pp. 144131 ◽  
Author(s):  
Zhaoyang Zhai ◽  
Chen Wei ◽  
Yanchao Zhang ◽  
Yahui Cui ◽  
Quanren Zeng
Keyword(s):  
Femtosecond Laser ◽  
Repetition Frequency ◽  
High Repetition

High-speed processing of silicon carbide ceramic by high repetition frequency femtosecond laser

2021 ◽  
Author(s):  
Jian Zhang ◽  
Feng Geng ◽  
Zhichao Liu ◽  
Qinghua Zhang ◽  
Qiao Xu ◽  
...  
Keyword(s):  
Silicon Carbide ◽  
Femtosecond Laser ◽  
High Speed ◽  
Repetition Frequency ◽  
Silicon Carbide Ceramic ◽  
High Repetition

Welding of Fused Silica by Using High Repetition Frequency Femtosecond Laser

2018 ◽  
Vol 45 (7) ◽  
pp. 0701007
Author(s):  
丁腾 Ding Teng ◽  
王雪辉 Wang Xuehui ◽  
王关德 Wang Guande ◽  
钱静 Qian Jing ◽  
王何宁 Wang Hening ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Fused Silica ◽  
Repetition Frequency ◽  
High Repetition

scholarly journals Low and high repetition frequency femtosecond lasers processing of tungsten-based thin film

2014 ◽  
Vol 32 (4) ◽  
pp. 613-619
Author(s):  
B. Gaković ◽  
S. Petrović ◽  
A. Krmpot ◽  
D. Pantelić ◽  
B. Jelenković ◽  
...  
Keyword(s):  
Thin Film ◽  
Femtosecond Laser ◽  
Femtosecond Lasers ◽  
Surface Structures ◽  
Repetition Frequency ◽  
Nano Particles ◽  
Laser Polarization ◽  
Thin Film Thickness ◽  
High Repetition ◽  
Linearly Polarized

AbstractIn this work we reported low and high repetition frequency femtosecond laser-induced modifications of tungsten-based thin film. The tungsten-titanium (WTi) thin film, thickness of 190 nm, was deposited by sputtering on single crystal Si (100) wafer. Irradiations were performed in air by linearly polarized and focused femtosecond laser beams with following parameters: (1) pulse duration 160 fs, wavelength 800 nm, laser repetition frequency (LRF) 75 MHz — high LRF, and (2) duration 40 fs, wavelength 800 nm, LRF of 1 kHz — low LRF. The results of femtosecond lasers processing of the WTi thin film revealed laser induced periodical surface structures (LIPSS) in the case of low LRF regime. LIPSSs were formed with different periodicity and different orientation to the laser polarization at the surface: micro-scale LIPSSs with orientation perpendicular to the laser polarization and nano-scale LIPSSs parallel and perpendicular to the laser polarization. After processing of the WTi/Si system in high LRF regime ablation and nano-particles formation were registered.

High repetition rate (100 Hz), high peak power, high contrast femtosecond laser chain

2016 ◽  
Author(s):  
R. Clady ◽  
V. Tcheremiskine ◽  
Y. Azamoum ◽  
A. Ferré ◽  
L. Charmasson ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Repetition Rate ◽  
Peak Power ◽  
High Repetition Rate ◽  
High Peak ◽  
High Peak Power ◽  
High Contrast ◽  
High Repetition

Direct precipitation of silver nanoparticles induced by a high repetition femtosecond laser

2009 ◽  
Vol 63 (1) ◽  
pp. 151-153 ◽  
Author(s):  
N.H. Ma ◽  
H.L. Ma ◽  
M.J. Zhong ◽  
J.Y. Yang ◽  
Y. Dai ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Femtosecond Laser ◽  
High Repetition ◽  
Direct Precipitation

All solid-state high power microwave source with high repetition frequency

2013 ◽  
Vol 84 (5) ◽  
pp. 054703 ◽  
Author(s):  
J.-W. B. Bragg ◽  
W. W. Sullivan ◽  
D. Mauch ◽  
A. A. Neuber ◽  
J. C. Dickens
Keyword(s):  
Solid State ◽  
High Power ◽  
Repetition Frequency ◽  
Microwave Source ◽  
High Power Microwave ◽  
High Repetition ◽  
Power Microwave
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