Results 11 to 20 of about 3,969,324 (281)

Fast Fabrication of Fishnet Optical Metamaterial Based on Femtosecond Laser Induced Stress Break Technique

open access: yesNanomaterials, 2021
To speed up the fabrication of optical metamaterials by making use of the fast speed advantage of femtosecond laser preparation, a metamaterial appropriate for femtosecond laser processing was designed, and the interaction between femtosecond laser and ...
Kai-Xin Zhang   +7 more
doaj   +1 more source

Micromachining of polycrystalline CVD diamond-coated cutting tool with femtosecond laser

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2020
To enhance the cutting performance of chemical vapor deposit (CVD) diamond-coated tool, a short pulse laser grinding technique is applied. However, the thermal impact of a nanosecond laser damages the diamond crystallinity of the processed surface.
Xiaoxu LIU   +3 more
doaj   +1 more source

Micro/Nano Periodic Surface Structures and Performance of Stainless Steel Machined Using Femtosecond Lasers

open access: yesMicromachines, 2022
The machining of micro/nano periodic surface structures using a femtosecond laser has been an academic frontier and hotspot in recent years. With an ultrahigh laser fluence and an ultrashort pulse duration, femtosecond laser machining shows unique ...
Xiaofeng Xu   +4 more
doaj   +1 more source

The art of femtosecond laser writing [PDF]

open access: yes, 2009
Common beliefs that laser writing does not change when reversing beam scan or propagation direction are challenged. Recently discovered phenomena of quill and non-reciprocal femtosecond laser writing in glasses and crystals are ...
Svirko, Yuri P.   +11 more
core   +2 more sources

Femtosecond Laser Materials Processing [PDF]

open access: yesCLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics, 2005
The use femtosecond pulses for materials processing results in very precise cutting and drilling with high efficiency. Energy deposited in the electrons is not coupled into the bulk during the pulse, resulting in negligible shock or thermal loading to adjacent areas.
B.C. Stuart   +8 more
openaire   +1 more source

Nature-Inspired Superwettability Achieved by Femtosecond Lasers

open access: yesUltrafast Science, 2022
Wettability is one of a solid surface’s fundamental physical and chemical properties, which involves a wide range of applications. Femtosecond laser microfabrication has many advantages compared to traditional laser processing.
Jiale Yong   +3 more
doaj   +1 more source

Femtosecond laser-induced periodic structures: mechanisms, techniques, and applications

open access: yesOpto-Electronic Science, 2022
Over the past two decades, femtosecond laser-induced periodic structures (femtosecond-LIPSs) have become ubiquitous in a variety of materials, including metals, semiconductors, dielectrics, and polymers.
Yuchan Zhang   +10 more
doaj   +1 more source

Femtosecond laser materials processing [PDF]

open access: yesSPIE Proceedings, 2000
The use of femtosecond lasers allows materials processing of practically any material with extremely high precision and minimal collateral damage. Advantages over conventional laser machining (using pulses longer than a few tens of picoseconds) are realized by depositing the laser energy into the electrons of the material on a time scale short compared
Banks, P. S.   +5 more
openaire   +1 more source

Research on Microhole Processing Technology Based on the Femtosecond-Laser Spiral Trepanning Method

open access: yesApplied Sciences, 2020
Microholes have crucial applications in aerospace, the automotive industry, and other industries. In this study, the microhole processing technology based on the femtosecond-laser spiral trepanning method was investigated.
Fengping Li   +5 more
doaj   +1 more source

Adjustment of Subwavelength Rippled Structures on Titanium by Two-Step Fabrication Using Femtosecond Laser Pulses

open access: yesApplied Sciences, 2021
An effective approach is proposed to adjust the surface morphology induced by using a femtosecond laser, including the area and period of rippled structures.
Yanping Yuan   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy