Results 31 to 40 of about 8,387 (250)

The challenges of productive materials processing with ultrafast lasers [PDF]

Advanced Optical Technologies, 2021
Abstract Materials processing with ultrafast lasers with pulse durations in the range between about 100 fs and 10 ps enable very promising and emerging high-tech applications. Moreover, the average power of such lasers is steadily increasing; multi kilowatt systems have been demonstrated in laboratories and will be ready for the market ...
Rudolf Weber, Thomas Graf
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Prediction of Thermal Damage upon Ultrafast Laser Ablation of Metals

Molecules, 2021
Ultrafast lasers micromachining results depend on both the processing parameters and the material properties. The obtained thermal effects are negligible if a good combination of processing parameters is chosen.
Liliana Cangueiro, José Antonio Ramos-de-Campos, David Bruneel   +2 more
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A Study on the Machinability of Tungsten Carbide Using Ultrafast Laser [PDF]

한국정밀공학회지, 2020
The tungsten carbide is a material with high hardness, wear resistance, good chemical stability, and dimensional stability. Because of these characteristics, it is mainly used as a tool for cutting and molding such as molds, and casts required for ...
Young Gwan Shin, Wonsuk Choi, Hoon Young Kim, Sung-Hak Cho   +3 more
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Localized in-situ deposition: a new dimension to control in fabricating surface micro/nano structures via ultrafast laser ablation

Frontiers of Optoelectronics, 2023
Controllable fabrication of surface micro/nano structures is the key to realizing surface functionalization for various applications. As a versatile approach, ultrafast laser ablation has been widely studied for surface micro/nano structuring. Increasing
Peixun Fan, Guochen Jiang, Xinyu Hu, Lizhong Wang, Hongjun Zhang, Minlin Zhong   +5 more
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Progress in ultrafast laser processing and future prospects

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

Materials & 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, R. Ariza, P. Fernández, J. Solis   +3 more
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Avant-Garde Ultrafast Laser Writing

MATEC 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., Beresna M., Gecevičius M.   +2 more
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Advances in Laser Drilling of Structural Ceramics

Nanomaterials, 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, Yongqian Chen, Lei Liu, Cong Wang, Ji’an Duan   +4 more
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In-situ real-time monitoring of ultrafast laser processing using wide-field high-resolution snapshot compressive microscopy

Light: 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, Miao Cao, Ziyang Chen, Jiao Geng, Ting Luo, Yufei Dou, Xing Liu, Liping Shi, Xin Yuan   +8 more
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Laser processing of micro/nano biomimetic structures

Micro & 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, Yi He, Shuai Liu, Hao Yi, Lingyan Du   +4 more
doaj   +1 more source