Results 31 to 40 of about 263,801 (301)

An investigation of the emittance of escaping fast electron beams from planar and nanowire targets

High Power Laser Science and Engineering
Fast electron generation and transport in high-intensity laser–solid interactions induces X-ray emission and drives ion acceleration. Effective production of these sources hinges on an efficient laser absorption into the fast electron population and ...
E. J. Hume, P. Köster, F. Baffigi, F. Brandi, D. Calestani, G. Cristoforetti, L. Fulgentini, L. Labate, A. Marasciulli, S. Morris, D. Palla, M. Salvadori, M. Villani, L. A. Gizzi, K. L. Lancaster   +14 more
doaj   +1 more source

Effectiveness of bacterial biofilms photodynamic inactivation mediated by curcumin extract, nanodoxycycline and laser diode

Biomedical Photonics, 2021
Biofilms have higher levels of antibiotic resistance compared to bacteria, so the alternatives are needed as therapy for diseases caused by biofilm infections.
S. D. Astuti, A. F. Mahmud, A. P. Putra, E. M. Setiawatie, D. Arifianto   +4 more
doaj   +1 more source

A Computer Model for Laser Photopolymerization [PDF]

, 1990
A computer model for a laser induced photopolymerization process has been established which simulates stereolithography. The model couples irradiation, chemical reaction, and heat transfer equations to provide insights into rate processes occurring in ...
Chartoff, Richard P., Flach, Lawrance
core   +1 more source

Cross-relaxation and temporal dynamics of lasing at 2 μm in thulium-doped ceramic material

High Power Laser Science and Engineering
We report the characterization of the pump absorption and emission dynamic properties of a $\mathrm{Tm}:{\mathrm{Lu}}_2{\mathrm{O}}_3$ ceramic lasing medium using a three-mirror folded laser cavity.
Alessandro Fregosi, Fernando Brandi, Luca Labate, Federica Baffigi, Gianluca Cellamare, Mohamed Ezzat, Daniele Palla, Guido Toci, Alex Whitehead, Leonida A. Gizzi   +9 more
doaj   +1 more source

Study of Crack Growth of Transparent Materials Subjected to Laser Irradiation by Digital Holography

Applied Sciences, 2022
The crack growth of transparent materials after laser wavelength irradiation was studied. It is known that laser irradiation is used in many applications for the ablation of undesired material and/or coatings.
Wenjing Zhou, Yuhang Liu, Zhenkai Chen, Yao Chen, Hongbo Zhang, Yingjie Yu, Vivi Tornari   +6 more
doaj   +1 more source

Femtosecond Laser-induced Crystallization of Amorphous Sb2Te3 film and Coherent Phonon Spectroscopy Characterization and Optical Injection of Electron Spins

, 2011
A femtosecond laser-irradiated crystallizing technique is tried to convert amorphous Sb2Te3 film into crystalline film. Sensitive coherent phonon spectroscopy (CPS) is used to monitor the crystallization of amorphous Sb2Te3 film at the original ...
Chen, Ke, Gan, Fuxi, Huang, Huan, Lai, Tianshu, Li, Simian, Wang, Wenfang, Wang, Yang, Wu, Yiqun, Yao, Dao-Xin, Zhu, Weiling   +9 more
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Femtosecond-laser-irradiation-induced structural organization and crystallinity of Bi2WO6 [PDF]

, 2020
Controlling the structural organization and crystallinity of functional oxides is key to enhancing their performance in technological applications. In this work, we report a strong enhancement of the structural organization and crystallinity of Bi2WO6 ...
Doñate-Buendía, Carlos, Gouveia, Amanda, Longo, Elson, Mínguez-Vega, Gladys, Pinatti, Ivo M   +4 more
core   +1 more source

Real-Time Dose Monitoring via Non-Destructive Charge Measurement of Laser-Driven Electrons for Medical Applications

Instruments
Laser-accelerated electron beams, in the so-called Very High-Energy Electron (VHEE) energy range, are of great interest for biomedical applications.
David Gregocki, Petra Köster, Luca Umberto Labate, Simona Piccinini, Federico Avella, Federica Baffigi, Gabriele Bandini, Fernando Brandi, Lorenzo Fulgentini, Daniele Palla, Martina Salvadori, Simon Gerasimos Vlachos, Leonida Antonio Gizzi   +12 more
doaj   +1 more source

Photoluminescence intensity change of GaP1−xNx alloys by laser irradiation

AIP Advances, 2020
We report the influence of laser irradiation on photoluminescence (PL) intensity to study the evolution of nonradiative recombination centers in GaP1−xNx alloys.
Md. Zamil Sultan, Akinori Shiroma, Shuhei Yagi, Kengo Takamiya, Hiroyuki Yaguchi   +4 more
doaj   +1 more source

Electronic and atomic kinetics in solids irradiated with free-electron lasers or swift-heavy ions

, 2015
In this brief review we discuss the transient processes in solids under irradiation with femtosecond X-ray free-electron-laser (FEL) pulses and swift-heavy ions (SHI).
Medvedev, N., Volkov, A. E., Ziaja, B.
core   +1 more source