18–26 Sept 2025
Ito International Research Center
Asia/Tokyo timezone

Developments for the RF transmission system for the ITN cryomodule

TUP59
23 Sept 2025, 14:30
3h
Ito International Research Center

Ito International Research Center

Tokyo
Board: TUP59
Poster Presentation MC4: SRF Technologies Tuesday Poster Session

Speaker

Prakash Joshi (The Graduate University for Advanced Studies, SOKENDAI)

Description

The International Linear Collider (ILC) is a future linear collider using superconducting accelerating cavities. R&D for the radio frequency power distribution system, which will deliver the radio frequency power from the klystrons to the cavities, is ongoing. In scope of the ILC Technology Network (ITN) an ILC prototype CM featuring 8 cavities is developed and built at KEK. The cavities will be driven by a 10 MW multibeam klystron located about 200 m away from the test stand. The klystron delivers its power through two WR650 ports. A magic tee was designed to combine the two klystron outputs into a single waveguide. The waveguides at the cavity input couplers are also of the type WR650. For efficient transmission of the required power over most of the distance a WR770 type waveguide will be used. An adapter for the interconnection of the WR650 and WR770 waveguides was developed. Furthermore, WR770 H and E corners were designed.

Funding Agency

MEXT Development of key element technologies to improve the performance of future accelerators program (JPMXP1423812204)

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Author

Prakash Joshi (The Graduate University for Advanced Studies, SOKENDAI)

Co-authors

Mathieu Omet (High Energy Accelerator Research Organization, The Graduate University for Advanced Studies, SOKENDAI) Shinichiro Michizono (High Energy Accelerator Research Organization, The Graduate University for Advanced Studies, SOKENDAI) Toshihiro Matsumoto (High Energy Accelerator Research Organization, The Graduate University for Advanced Studies, SOKENDAI)

Presentation materials

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