Results 1 to 10 of about 8,477 (114)

Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids [PDF]

Beilstein Journal of Nanotechnology
Nanoparticle synthesis via pulsed laser ablation in liquids has gained prominence as a versatile and environmentally friendly approach for producing ligand-free colloids with controlled composition, size, and morphology.
Sergio Molina-Prados, Nadezhda M. Bulgakova, Alexander V. Bulgakov, Jesus Lancis, Gladys Mínguez Vega, Carlos Doñate-Buendia   +5 more
doaj   +2 more sources

Influence of Lithography Process Parameters on Continuous Surface Diffractive Optical Elements for Laser Beam Shaping [PDF]

Micromachines
To address the demand for laser beam-shaping techniques, we developed a one-step exposure process based on moving-mask lithography for the fabrication of a continuous-surface diffractive optical element (DOE) for laser beam shaping.
Wenjing Liu, Axiu Cao, Junbo Liu, Hui Pang, Qiling Deng, Jian Wang, Song Hu   +6 more
doaj   +2 more sources

Beam shaping technology and its application in metal laser additive manufacturing: A review

Journal of Materials Research and Technology, 2023
Laser additive manufacturing (AM) technology is widely applied in manufacturing critical components (e.g., rocket fuel nozzles, satellite antenna mounts and human implants, etc.) in automotive, medical, aerospace and other fields due to the advantages of
Jiang Bi, Liukun Wu, Shide Li, Zhuoyun Yang, Xiangdong Jia, Mikhail Dmitrievich Starostenkov, Guojiang Dong   +6 more
doaj   +3 more sources

Revealing the effects of laser beam shaping on melt pool behaviour in conduction-mode laser melting

Journal of Materials Research and Technology, 2023
Laser beam shaping offers remarkable possibilities to control and optimise process stability and tailor material properties and structure in laser-based welding and additive manufacturing.
Amin Ebrahimi, Mohammad Sattari, Aravind Babu, Arjun Sood, Gert-Willem R.B.E. Römer, Marcel J.M. Hermans   +5 more
doaj   +3 more sources

High-Uniformity Flat-Top Light Spot Based on a Dielectric Metasurface [PDF]

Nanomaterials
With the rapid development of laser processing and infrared imaging, the demand for flat-top beams with high uniformity has become increasingly urgent.
Xinxin Pu, Wenhao Guo, Jinyao Hou, Yechuan Zhu, Xueping Sun, Shun Zhou, Weiguo Liu   +6 more
doaj   +2 more sources

Tailoring electron bunch quality in laser-plasma acceleration: a comparative study of Bessel-Gaussian and Gaussian laser profiles under variable plasma density geometries [PDF]

Scientific Reports
Controlling electron injection and beam quality in laser wakefield acceleration (LWFA) requires coordinated manipulation of both the driving laser structure and the plasma density profile.
R. Khooniki, R. Fallah, S. M. Khorashadizadeh, A. R. Niknam   +3 more
doaj   +2 more sources

Coherent Ray Tracing Simulation Of Non-Imaging Laser Beam Shaping With Multi-Aperture Elements [PDF]

EPJ Web of Conferences, 2019
The application of laser light sources for illumination tasks like in mask aligner lithography relies on non-imaging optical systems with multi-aperture elements for beam shaping.
Kirner Raoul, Noell Wilfried, Scharf Toralf, Voelkel Reinhard   +3 more
doaj   +1 more source

Review of Issues and Solutions in High-Power Semiconductor Laser Packaging Technology

Frontiers in Physics, 2021
In the past 20 years, semiconductor lasers have been widely used in medical, industrial, and communication applications, providing a revolutionary and powerful platform for the fifth generation and advanced manufacturing.
Yixiong Yan, Yu Zheng, Haigang Sun, Ji’an Duan   +3 more
doaj   +1 more source

Electron beam shaping via laser heater temporal shaping

Physical Review Accelerators and Beams, 2021
Active longitudinal beam optics can help free-electron laser facilities achieve cutting edge performance by optimizing the beam to produce multicolor pulses, suppress caustics, or support attosecond lasing.
D. Cesar, A. Anakru, S. Carbajo, J. Duris, P. Franz, S. Li, N. Sudar, Z. Zhang, A. Marinelli   +8 more
doaj   +1 more source

LBSA: A GUI-based Matlab software for the advanced laser beam shaping with spatial light modulators

SoftwareX, 2023
We present LBSA — a complex laser beam shaping application that integrates the design and control features into a single graphical user interface app. This approach makes the advanced beam shaping operations accessible even for non-technical users.
Mateusz Szatkowski, Przemysław Litwin, Jan Masajada   +2 more
doaj   +1 more source