Journal Article PUBDB-2020-04482

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Novel $X$-band transverse deflection structure with variable polarization

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2020
American Physical Society College Park, MD

Physical review accelerators and beams 23(11), 112001 () [10.1103/PhysRevAccelBeams.23.112001]
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Abstract: A collaboration between DESY, PSI and CERN has developed and built an advanced modular $X$-band transverse deflection structure (TDS) system with the new feature of providing variable polarization of the deflecting force. The prototype of the novel $X$-band TDS, the polarizable $X$-band (PolariX) TDS, was fabricated at PSI following the high-precision tuning-free production process developed for the C-band Linac of the SwissFEL project. Bead-pull rf measurements were also performed at PSI to verify, inparticular, that the polarization of the dipole fields does not have any rotation along the structure. The high-power test was performed at CERN and now the TDS is at DESY and has been installed in theFLASHForward beamline, where the first streaking experience with beam has been accomplished. We summarize in this paper the rf design of the TDS and its key components, such as the $X$-band pulse compressor, E-rotator, and phase shifter, the results of the bead-pull measurements and the high power test and finally the rf setup at DESY.

Keyword(s): Radio Frequency Calculations and Technology

Classification:

Contributing Institute(s):
  1. Paul Scherrer Institut (PSI)
  2. CERN (CERN)
  3. European XFEL Projekt Team (Eur.XFEL)
  4. Beschleunigerphysik Fachgruppe MPY1 (MPY1)
  5. Wasserkühlung (MKK2)
  6. Konstruktion (ZM1)
  7. Forschung Linear Accelerator (FLA)
  8. Injektion (MIN)
  9. Automation, Leittechniken (MKK4)
  10. Vakuumsysteme (MVS)
  11. Maschinen Koordination FLASH (MFL)
  12. Plasma Accelerators (MPA)
  13. Strahlkontrollen (MSK)
Research Program(s):
  1. 631 - Accelerator R & D (POF3-631) (POF3-631)
  2. ARIES - Accelerator Research and Innovation for European Science and Society (730871) (730871)
  3. PWA - Research group for plasma-based accelerators (PWA-20150304) (PWA-20150304)
Experiment(s):
  1. Measurement at external facility

Appears in the scientific report 2020
Database coverage:
Creative Commons Attribution CC BY 4.0 ; DOAJ ; OpenAccess ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection
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The record appears in these collections:
Private Collections > >DESY > >M > >MPY > MPY1
Private Collections > >DESY > >M > >MKK > MKK2
Private Collections > >DESY > >M > >MKK > MKK4
Private Collections > >DESY > >FS > >ZM > ZM1
Private Collections > >DESY > >FH > FLA
Private Collections > >DESY > >M > MVS
Private Collections > >DESY > >M > MSK
Private Collections > >DESY > >M > MIN
Private Collections > >DESY > >M > MFL
Private Collections > >DESY > >M > MPA
Private Collections > >XFEL.EU > Eur.XFEL
Document types > Articles > Journal Article
Private Collections > >Extern > CERN
Private Collections > >Extern > PSI
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 Record created 2020-11-16, last modified 2025-07-29


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