Gayde, J-C. - Risultato della ricerca

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Speckle induced by reflections in pipe propagation of a structured laser beams / Niewiem, W (CERN ; Zurich, ETH) ; Figura, Sebastian (CERN ; AGH-UST, Cracow) ; Mergelkhul, Dirk (CERN) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Prague, Inst. Phys. ; Liberec Tech. U.) ; Wieser, Andreas (Zurich, ETH)
This study explores how reflections affect the transverse intensity profile of a structured laser beam (SLB) in alignment systems. The research evaluates the impact of pipe material and geometry on noise affecting the inner core (IC) of the SLB’s transverse intensity profile. [...]
2025 - 11 p. - Published in : Appl. Opt. 64 (2025) 5433-5443 Fulltext: PDF; External links: Fulltext; Fulltext

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First Steps Toward the Development of a Straight-Line Reference Alignment System for Future Accelerators at CERN Using Pseudo-Nondiffracting Layer Beams / Dušek, Martin (CERN ; Liberec Tech. U.) ; Figura, Sebastian (CERN ; Cracow Tech. U.) ; Polak, Jakub Michal (CERN) ; Kamugasa, Solomon William (CERN) ; Mergelkuhl, Dirk (CERN) ; Niewiem, Witold (CERN ; ETH, Zurich (main)) ; Kunc, Štěpán (Liberec Tech. U.) ; Gayde, Jean-Christophe (CERN) ; Šulc, Miroslav (Liberec Tech. U. ; Prague, Inst. Plasma Phys.)
This paper presents experimental results that allow for the performance evaluation of a straight-line reference alignment system based on pseudo-nondiffracting Layer beams. [...]
arXiv:2506.15234. - 2025 - 19.
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Generation of symmetrical optical caustic beams for precise alignment / Dusek, Martin (CERN ; Liberec Tech. U.) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Prague, Inst. Plasma Phys.)
Generating layers of symmetrical optical caustic beams using a specific configuration of cylindrical lenses is an innovative idea with potential application in precision alignment and other fields. The technique allows the generation of layers of non-diffracting beams with opposite accelerating directions. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) THPG35 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPG35

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Alignment strategy for the High-Luminosity Large Hadron Collider / Mainaud Durand, Helene (CERN) ; Barbarroux, Vincent Thomas (CERN) ; Behrens, Antje (CERN) ; Bestmann, Patrick (CERN) ; Fuchs, Jean-Frederic (CERN) ; Gayde, Jean-Christophe (CERN) ; Kautzmann, Guillaume (CERN) ; Klumb, Francis (CERN) ; Mergelkuhl, Dirk (CERN) ; Naegely, Anne-Valerie (CERN) et al.
The High Luminosity Large Hadron Collider (HL-LHC) project is an upgrade of the LHC to enable continuous operation at luminosities which are a factor of five above the LHC design value. [...]
CERN-ACC-NOTE-2024-0037. - 2024 - 6.
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Layer beams and their prospect for long-range alignment / Dusek, Martin (Technical University of Liberec (CZ)) ; Figura, Sebastian Antoni (Akademia Gorniczo Hutnicza (PL)) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Technical University of Liberec (CZ))
As part of the study on using structured laser light for alignment, an innovative technique is proposed for generating symmetrical pseudo-non-diffracting layers of caustic optical beams, known as Layer Beams (LB). [...]
CERN-ACC-NOTE-2024-0032. - 2024 - 5.
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Influence of symmetry breaking on the inner core of a structured laser beam / Niewiem, Witold (CERN ; Zurich, ETH) ; Polak, Krystof (CERN ; Liberec Tech. U.) ; Figura, Sebastian (CERN ; Cracow Tech. U.) ; Mergelkuhl, Dirk (CERN) ; Gayde, Jean-Christophe (CERN) ; Wieser, A (Zurich, ETH)
2025 - 13 p. - Published in : Opt. Express 33 (2025) 19664-19676 External links: Fulltext; Fulltext

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II.11 - Survey and alignment of accelerators / Gayde, Jean-Christophe (CERN)
The present chapter summarizes the survey and alignment processes of accelerators and transfer lines. The major geodetic principles governing the survey and alignment measurement space are revisited and their relationship to a lattice coordinate system shown. [...]
2024 - 35 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1601-1635 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1601-1635 (CERN-2024-003)

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An overview of progress with the study of a structured laser beam for alignment / Niewiem, Witold Grzegorz (ETH Zurich (CH)) ; Mergelkuhl, Dirk (CERN) ; Gayde, Jean-Christophe (CERN)
The Structured Laser Beam (SLB) is a pseudo-non- diffractive optical beam characterized by the low divergence of the Inner Core (IC), down to 10 μrad, and the presence of concentric rings, with the most prominent being the Outer Ring (OR). [...]
CERN-ACC-NOTE-2024-0025. - 2024 - 6.
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Approximate analytical description of the structured laser beam in the far zone / Polak, Krystof (CERN ; Liberec Tech. U.) ; Dusek, Martin (CERN ; Liberec Tech. U.) ; Sulc, Miroslav (CERN ; Prague, Inst. Phys.) ; Gayde, Jean-Christophe (CERN)
In the last few years, new ways of structuring light have emerged, with the potential to be used in a wide variety of applications, including materials processing, micro-particle manipulation and charged particle acceleration. One of these techniques is the structured laser beam (SLB). [...]
2024 - 33 p. - Published in : Opt. Express 32 (2024) 47673-47705 Fulltext: PDF;

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Generation of pseudo-nondiffracting symmetrical Layer beams using cylindrical lenses / Dušek, Martin (CERN ; Liberec Tech. U.) ; Figura, Sebastian (CERN ; Cracow Tech. U.) ; Gayde, Jean-Christophe (CERN) ; Šulc, Miroslav (Liberec Tech. U. ; Prague, Inst. Plasma Phys.)
The pseudo-nondiffracting behavior of optical caustic beams makes them potentially useful in precise component alignment at CERN. This paper introduces an innovative method for generating one and two-dimensional symmetrical Airy-like beams, known as Layer beams, utilizing a specific configuration of plano-convex cylindrical lenses. [...]
2024 - 15 p. - Published in : Opt. Express 32 (2024) 42368 Fulltext: PDF;

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Vedi anche: autori con nomi simili
1	Gayde, J
2	Gayde, J -C
7	Gayde, J -Ch
21	Gayde, J C
8	Gayde, J Ch
4	Gayde, J-C
1	Gayde, J-Ch
2	Gayde, J.C
4	Gayde, J.C.
3	Gayde, JC
182	Gayde, Jean-Christophe

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