Renovation of Off-Axis Beam Injection Scheme for Next-Generation Photon Sources

Takano, Shiro; Akikawa, Hisashi; Fukami, Kenji; Hamato, Kazuhiro; Hara, Toru; Inagaki, Takahiro; Kataoka, Jyun; Kondo, Chikara; Kusano, Kunihiro; Masaki, Mitsuhiro; Ogata, Kanichiro; Oishi, Masaya; Saito, Yoshiyuki; Sato, Kazuyuki; Shoji, Masazumi; Tamura, Kazuhiro; Tanaka, Hitoshi; Taniuchi, Tsutomu; Watanabe, Takahiro; Yanagida, Kenichi

doi:10.18429/JACoW-IPAC2019-WEPMP009

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RIS citation export for WEPMP009: Renovation of Off-Axis Beam Injection Scheme for Next-Generation Photon Sources

TY  - CONF
AU  - Takano, S.
AU  - Akikawa, H.
AU  - Fukami, K.
AU  - Hamato, K.
AU  - Hara, T.
AU  - Inagaki, T.
AU  - Kataoka, J.
AU  - Kondo, C.
AU  - Kusano, K.
AU  - Masaki, M.
AU  - Ogata, K.
AU  - Oishi, M.
AU  - Saito, Y.
AU  - Sato, K.
AU  - Shoji, M.
AU  - Tamura, K.
AU  - Tanaka, H.
AU  - Taniuchi, T.
AU  - Watanabe, T.
AU  - Yanagida, K.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - Renovation of Off-Axis Beam Injection Scheme for Next-Generation Photon Sources
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - Photon sources are looking for performance upgrades by pursuing higher photon brilliance and coherence these years. The trend is pushing the lattice design to lower the beam emittance, which naturally results in the narrower dynamic aperture. One bottleneck in the upgrades is a beam injection system capable of accumulating required beam intensity and keeping top-up operations with such narrow apertures. Beam injection with a nonlinear kicker and transverse/longitudinal on-axis injections are now in the limelight. However, these techniques still need time to be put into practical use. We take an alternative approach for the SPring-8 upgrade, SPring-8-II, renovating the off-axis beam injection scheme to address the following requirements for the coming diffraction-limited storage rings (DLSRs): minimizing of both injection beam amplitude and perturbation to stored beam, and topping-up functionality. This presentation will overview the renewed off-axis beam injection scheme and report the development status of the following three key components: 1) permanent magnet based DC septum magnet, 2) in-vacuum pulse septum magnet, and 3) twin kickers driven by a single solid state pulser.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 2318
EP  - 2321
KW  - septum
KW  - injection
KW  - vacuum
KW  - kicker
KW  - photon
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-WEPMP009
UR  - http://jacow.org/ipac2019/papers/wepmp009.pdf
ER  -