CERN Accelerating science

CERN Document Server 3 registres trobats  La cerca s'ha fet en 0.57 segons. 
1.
Influence of wavelength and accumulated fluence at picosecond laser-induced surface roughening of copper on secondary electron yield / Bez, Elena (CERN ; Leipzig U.) ; Himmerlich, Marcel (CERN) ; Lorenz, Pierre ; Ehrhardt, Martin ; Gunn, Aidan Graham (CERN) ; Pfeiffer, Stephan (CERN) ; Rimoldi, Martino (CERN) ; Taborelli, Mauro (CERN) ; Zimmer, Klaus ; Chiggiato, Paolo (CERN) et al.
Ultrashort-pulse laser processing of copper is performed in air to reduce the secondary electron yield (SEY). By UV (355 nm), green (532 nm), and IR (1064 nm) laser-light induced surface modification, this study investigates the influence of the most relevant experimental parameters, such as laser power, scanning speed, and scanning line distance (represented as accumulated fluence) on the ablation depth, surface oxidation, topography, and ultimately on the SEY. [...]
2023 - 10 p. - Published in : J. Appl. Phys. 133 (2023) 035303 Fulltext: PDF;
2.
Plasma-assisted coatings for applications in ultrahigh vacuum / Anders, André (speaker) (Leibniz Institute of Surface Engineering (IOM), Leipzig, Germany)
Physical Vapor Deposition (PVD) with plasma assistance offer great flexibility to produce coatings that are ultrahigh vacuum (UHV) compatible and designed to improve surface properties with respect to applications. Among the applications are those for accelerators: coatings that help to achieve and maintain UHV, i.e., getter coatings, coatings that help to dissipate heat, i.e., high emissivity coatings, and coatings that suppress the emission of secondary electrons. Some of those requirements came directly from accelerator development: they are well known at CERN or even developed at CERN.  Therefore, this talk will focus on selected plasma deposition aspects of producing such coatings, with some work done at Berkeley Lab in prior years, supplemented by information on more recent developments on high power impulse magnetron sputtering as a modern form of sputter deposition technology. Coffee / tea will be served after the seminar next to the Council Chamber.ATS Seminar Organisers: A [...]
2022 - 4036. A&T Seminar External link: Event details In : Plasma-assisted coatings for applications in ultrahigh vacuum
3.
Initial Results on Neutralized Drift Compression Experiments (NDCX-IA) for High Intensity Ion Beam / Roy, Prabir K ; Anders, Andre ; Baca, David ; Bieniosek, Frank ; Coleman, Joshua E ; Davidson, Ronald C ; Efthimion, Philip ; Eylon, Shmuel ; Gilson, Erik P ; Grant Logan, B et al.
Ion beam neutralization and compression experiments are designed to determine the feasibility of using compressed high intensity ion beams for high energy density physics (HEDP) experiments and for inertial fusion power. To quantitatively ascertain the various mechanisms and methods for beam compression, the Neutralized Drift Compression Experiment (NDCX) facility is being constructed at Lawrence Berkeley National Laboratory (LBNL). [...]
2005 External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3856

Vegeu també: autors amb noms similars
10 Anders, A
1 Anders, A G
11 Anders, André
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