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CERN Document Server 2,049 のレコードが見つかりました。  1 - 10次最後  レコードへジャンプ: 検索にかかった時間: 0.28 秒 
1.
Analysis of centroiding algorithms for non-diffracting structured and hollow structured laser beams / Dusek, Martin (CERN ; Liberec Tech. U.) ; Roikova, Eva (CERN ; Liberec Tech. U.) ; Mergelkuhl, Dirk ; Gayde, Jean-Christophe (CERN) ; Polak, Krystof (CERN) ; Polak, Krystof (Liberec Tech. U.) ; Sulc, Miroslav (Liberec Tech. U.) ; Sulc, Miroslav (Prague, Inst. Plasma Phys.)
This paper explores the potential of optical-based systems, specifically pseudo-non-diffractive beams, as an alternative for alignment. The study focuses on structured laser beams and hollow structured laser beams, which exhibit lower divergence and enhanced detection capabilities. [...]
2023 - 12 p. - Published in : Appl. Opt. 63 (2024) 263-274
2.
Wavefront reconstruction of a non-diffracting structured laser beam / Dusek, Martin (CERN ; Liberec Tech. U.) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Prague, Inst. Plasma Phys. ; Liberec Tech. U.)
The Structured Laser Beam (SLB) is a pseudo-non-diffracting laser beam that shares many characteristics with a Bessel beam. However, it can theoretically propagate over an unlimited distance while maintaining an extremely low inner core divergence of only 0.01 mrad. [...]
2023 - 12 p. - Published in : Opt. Express 31 (2023) 42099-42110 Fulltext: PDF;
3.
3D Polarisation of a Structured Laser Beam and Prospects for its Application to Charged Particle Acceleration / Polak, K (CERN ; Liberec Tech. U.) ; Gayde, J C (CERN) ; Sulc, M (Liberec Tech. U. ; Prague, Inst. Plasma Phys.)
A Structured Laser Beam (SLB) is a type of optical beam with spatially inhomogeneous 3D polarisation structures. Generating SLBs from vector beams allows the creation of Hollow Structured Laser Beams (HSLB) with a dark central core. [...]
2024 - 6 p. - Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 4, pp. 042003
- Published in : JACoW IPAC: 2023 (2023) , pp. TUPA047 Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.042003
4.
Variation of structured laser beam pattern and optimization for an alignment reference line creation / Niewiem, Witold (Zurich, ETH) ; Niewiem, Witold (CERN) ; Polak, Krystof (CERN) ; Polak, Krystof (Liberec Tech. U.) ; Dusek, Martin (CERN) ; Dusek, Martin (Liberec Tech. U.) ; Mergelkuhl, Dirk (CERN) ; Gayde, Jean-Christophe (CERN) ; Wieser, Andreas (Zurich, ETH) ; Sulc, Miroslav (Liberec Tech. U.) et al.
The alignment of particle accelerators demands a dedicated measurement system based on a straight-line reference. This straight line can be provided by a laser beam. [...]
2023 - 16 p. - Published in : Opt. Express 31 (2023) 43307-43322 Fulltext: PDF;
5.
The potential contribution of a structured laser beam to accelerator alignment technology / Gayde, Jean-Christophe (CERN) ; Dusek, Martin (CERN ; Liberec Tech. U.) ; Mergelkuhl, Dirk (CERN) ; Niewiem, Witold (CERN ; Zurich, ETH) ; Polak, Krystof (CERN ; Liberec Tech. U.) ; Roiková, Eva (Liberec Tech. U.) ; Sulc, Miroslav (Liberec Tech. U. ; Prague, Inst. Plasma Phys.)
The Structured Laser Beam (SLB) is a type of optical beam characterized by an intense, sharply defined, low divergence core at its center, similar in its transverse intensity distribution to a Bessel beam. The SLB can propagate over a theoretically infinite distance, and has recently been tested up to a distance of 900 m. [...]
2023 - Published in : JACoW IPAC 2023 (2023) THPA041 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA041
6.
Long-distance structured laser beams created by optical aberrations / Sulc, Miroslav (Liberec Tech. U. ; Prague, Inst. Plasma Phys.) ; Gayde, Jean-Christophe (CERN) ; Polak, Krystof (Liberec Tech. U. ; CERN)
A novel approach to creating long-range Structured Laser Beams (SLB) using optical aberrations is described. By combining optical elements that produce significant spherical and defocus aberrations, it is possible to generate an interference field with both transverse and longitudinal local polarization. [...]
2024 - 4 p. - Published in : Proc. SPIE 12901 (2024) 93-96
In : Complex Light and Optical Forces XVIII (SPIE OPTO 2024), San Fancisco, CA, USA, 27 Jan - 1 Feb 2024, pp.93-96
7.
Detection of structured laser beam centroid and its use for alignment / Dusek, Martin (Liberec Technical University (CZ)) ; Polak, Krystof (Liberec Technical University (CZ)) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Liberec Technical University (CZ)) ; Mergelkuhl, Dirk (CERN) ; Niewiem, Witold Grzegorz (ETH Zurich (CH))
A Structured Laser Beam (SLB) [1] is a pseudo-non- diffractive optical beam. [...]
CERN-BE-2023-012.
- 2022. - 5 p.
Full text
8.
Development of THGEM-based Photon Detectors for COMPASS RICH-1 / Alexeev, M (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Birsa, R (INFN, Trieste) ; Bradamante, F (INFN, Trieste ; Trieste U.) ; Bressan, A (INFN, Trieste ; Trieste U.) ; Chiosso, M (INFN, Turin ; Turin U.) ; Ciliberti, P (INFN, Trieste ; Trieste U.) ; Torre, S Dalla (INFN, Trieste) ; Denisov, O (INFN, Turin) ; Duic, V (INFN, Trieste ; Trieste U.) ; Finger, M (Charles U. ; Dubna, JINR) et al.
An R&D; project is presented, aimed to develop a high performance gaseous detector of single photons, for the upgrade of the Ring Imaging Cherenkov Counter RICH-1 of the COMPASS Experiment at CERN SPS. The detector has to stably operate at high gain and high rate, to provide good time resolution and insensitivity to magnetic field, and to offer the possibility to cover very large areas at affordable cost. [...]
2012 - 7 p. - Published in : Phys. Procedia 37 (2012) 781-788 Elsevier Open Access article: PDF; Fulltext: PDF;
In : 2nd International Conference on Technology and Instrumentation in Particle Physics, Chicago, IL, USA, 9 - 14 Jun 2011, pp.781-788
9.
Introduction to Structured laser beam for alignment and status of the R&D / Gayde, Jean-Christophe (CERN) ; Polak, Krystof (Liberec Technical University (CZ)) ; Sulc, Miroslav (Liberec Technical University (CZ))
A new method of generating a Structured Laser Beam (SLB) has been proposed recently. [...]
CERN-BE-2023-013.
- 2022. - 7 p.
Full text
10.
Structured laser beam in non-homogeneous environment / Polak, Krystof (Liberec Technical University (CZ)) ; Gayde, Jean-Christophe (CERN) ; Sulc, Miroslav (Liberec Technical University (CZ))
This article summarizes part of the research related to the structured laser beam (SLB) properties focused on align- ment. [...]
CERN-BE-2023-014.
- 2022 - 7.
Full text

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