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CERN Document Server 找到 5 筆記錄  檢索需時 0.58 秒. 
1.
Measurements of the Dielectric Properties of a Ferroelectric Ceramic for Use in a Fast Reactive Tuner / FREEMIRE, Ben (Euclid TechLabs)
A FerroElectric Fast Reactive Tuner (FE-FRT) for superconducting radio frequency cavities offers several advantages over conventional mechanical tuners, including faster reaction time, no moving parts, and a wide tuning range. [...]
CERN-ACC-NOTE-2020-0070.
- 2020. - 32 p.
Full text
2.
Amorphous and Diamond-Like Carbon coatings for SEY reduction of dielectric materials for accelerating structure applications / Grudiev, Alexej (CERN) ; Neupert, Holger (CERN) ; Vollenberg, Wilhelmus (CERN) ; Jing, Chunguang (Euclid Techlabs LLC) ; Poddar, Shashi (Euclid Techlabs LLC) ; Freemire, Ben (Euclid Techlabs LLC)
Multipactor discharges in dielectric accelerating structures are a major limitation on the performance of this otherwise very promising technology for future high energy physics machines and other applications. [...]
CERN-ACC-2022-0006 ; CLIC-Note-1175.
- 2022 - 16.
Full text
3.
A Compact, Low-Field, Broadband Matching Section for Externally-Powered X-Band Dielectric-Loaded Accelerating Structures / Wei, Yelong (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Bursali, Hikmet (Rome U.) ; Catalán Lasheras, Nuria (CERN) ; Freemire, Ben (Euclid Techlabs, Solon) ; González Antón, Sergio (CERN) ; Grudiev, Alexej (CERN) ; Jing, Chunguang (Euclid Techlabs, Solon) ; Sauza-Bedolla, Joel (Lancaster U.) ; Wegner, Rolf (CERN) ; Welsch, Carsten P (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.)
It has been technically challenging to efficiently couple external radiofrequency (RF) power to cylindrical dielectric-loaded accelerating (DLA) structures. This is especially true when the DLA structure has a high dielectric constant. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 495-498 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.495-498
4.
Design, fabrication, and low-power rf measurement of an X-band dielectric-loaded accelerating structure / Wei, Yelong (CERN ; Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Bursali, Hikmet (CERN ; Rome U.) ; Grudiev, Alexej (CERN) ; Freemire, Ben (Euclid TechLabs, Rockville) ; Jing, Chunguang (Euclid TechLabs, Rockville ; Argonne) ; Bedolla, Joel Sauza (Lancaster U.) ; Wegner, Rolf (CERN) ; Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.)
Dielectric-loaded accelerating (DLA) structures are being studied as an alternative to conventional disk-loaded copper structures to produce the high accelerating gradient. This paper presents the design, fabrication and low-power RF measurement of an externally-powered X-band DLA structure with a dielectric constant $\varepsilon$$_{r}$ = 16.66 and a loss tangent tan$_{\delta}$ = 3.43 x 10$^{-5}$. [...]
arXiv:2110.12147.- 2022-04-01 - 16 p. - Published in : Phys. Rev. Accel. Beams 25 (2022) 041301 Fulltext: PhysRevAccelBeams.25.041301 - PDF; 2110.12147 - PDF;
5.
A Compact, Low-Field, Broadband Matching Section for Externally Powered <i>X</i>-Band Dielectric-Loaded Accelerating Structures / Wei, Yelong (CERN) ; Grudiev, Alexej (CERN) ; Freemire, Ben (Euclid TechLabs, Rockville) ; Jing, Chunguang (Euclid TechLabs, Rockville)
It has been technically challenging to efficiently couple external radiofrequency (RF) power to cylindrical dielectric-loaded accelerating (DLA) structures, especially when the DLA structure has a high dielectric constant. This paper presents a novel design of matching section for coupling the RF power from a circular waveguide to an X-band DLA structure with a dielectric constant $\varepsilon$$_{r}$ = 16.66 and a loss tangent tan$\delta$ = 3.43 x 10$^{-5}$. [...]
arXiv:2008.09203.- 2022-05 - 11 p. - Published in : IEEE Trans. Nucl. Sci. 69 (2022) 991-1001 Fulltext: 2008.09203 - PDF; Publication - PDF;

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