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International Free Electron Laser Conference (FEL) [ Technology ] [ Particle Accelerator ]

FEL 2015

N. Shigeoka et al.

Mitsubishi Heavy Industries, LTD. (MHI) has been delivered various kinds of accelerator components to multiple FEL facilities. Recently we completed production of S-band accelerating structures for PAL-XFEL. Currently we are manufacturing C-band waveguide network for SwissFEL. Production status and results of above-mentioned products are reported in this paper.

PRODUCTION STATUS OF ACCELERATOR COMPONENTS (709KB)

FEL 2014

N. Shigeoka et al.

Mitsubishi Heavy Industries, Ltd. manufactured six Cband disk-loaded type and quasi-constant gradient (CG) accelerating structures for the XFEL facility, SACLA (SPring-8 Angstrom Compact free electron LAser). These structures were newly designed by RIKEN for operation at an acceleration gradient of over 45 MeV/m and a repetition rate of 120 pps. We report the production and low-power RF properties of these accelerating structures.

PRODUCTION OF C-BAND DISK-LOADED TYPE CG ACCELERATING STRUCTURES (872KB)

FEL 2012

S. Miura et al.

In Pohang Accelerator Laboratory (PAL) in Korea construction of XFEL (X-ray Free electron Lazar) institution is under construction aiming at the completion in 2014[1]. Energy 10GeV of the linac part of this institution and main frequency are planned in S-band (2856 MHz), and about 178 S-band 3m accelerating structures are due to be used for this linac. The oscillation of an X-ray laser requires very low emittance electron beam. On the other hand, since the accelerating structure which accelerates an electron beam has a feed port of microwave (iris), the electromagnetic field asymmetry of the microwave feeding device called coupler worsens the emittance of an electron beam. MHI manufactured two kinds of S-band accelerating structures with which the electromagnetic field asymmetry of coupler cavity was compensated for PALXFEL linac. We report these accelerating structures.

DEVELOPMENT OF S-BAND ACCELERATING STRUCTURE (295KB)

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