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Longitudinal injection scheme using short pulse kicker for small aperture electron storage rings

Aiba, M. ; Böge, M. ; Marcellini, F. ; Saá Hernández, Á. ; Streun, A.

Physical review special topics. PRST-AB. Accelerators and beams, 2015-02, Vol.18 (2), p.020701, Article 020701 [Periódico revisado por pares]

College Park: American Physical Society

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  • Título:
    Longitudinal injection scheme using short pulse kicker for small aperture electron storage rings
  • Autor: Aiba, M. ; Böge, M. ; Marcellini, F. ; Saá Hernández, Á. ; Streun, A.
  • Assuntos: Apertures ; Chromaticity ; Damping ; Dipoles ; Emittance ; Light sources ; Photon beams ; Quadrupoles ; Short pulses ; Storage rings (particle accelerators) ; Synchrotron radiation ; Synchrotrons
  • É parte de: Physical review special topics. PRST-AB. Accelerators and beams, 2015-02, Vol.18 (2), p.020701, Article 020701
  • Descrição: Future light sources aim at achieving a diffraction limited photon beam both in the horizontal and vertical planes. High gradient quadrupoles and strong chromaticity correction sextupoles in a corresponding ultra-low emittance ring may restrict the physical and dynamic aperture of the storage ring such that off-axis injection and accumulation may become impossible. We propose a longitudinal injection scheme, i.e., injecting an electron bunch onto the closed orbit with a time offset with respect to the circulating bunches. The temporal separation enables a pulsed dipole kicker to situate the injected bunch transversely on-axis without disturbing the circulating bunches if the pulse length is shorter than the bunch spacing. The injected bunch is finally merged to a circulating bunch through synchrotron radiation damping. We present the scheme in detail and its application to the lattice of the MAX IV 3 GeV storage ring. The requirements and feasibility of the pulsed dipole kicker are also discussed.
  • Editor: College Park: American Physical Society
  • Idioma: Inglês
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