IPAC'25 - the 16th International Particle Accelerator Conferece

Current status of the linac system for Korea 4GSR

TUPM111

3 Jun 2025, 16:00

2h

Exhibiton Hall A _Magpie (TWTC)

Poster Presentation MC2.A08 Linear Accelerators Tuesday Poster Session

Speaker

Woo Jun Byeon (Pohang Accelerator Laboratory)

Description

The development of a 4th-generation storage ring (4GSR)-based light source has been in progress in Korea since 2021, utilizing a linear accelerator (LINAC) and a booster ring as injection systems. The LINAC generates a 200 MeV electron beam using an RF photocathode gun. Electron bunches produced by a UV laser in the RF photocathode gun are focused by a solenoid magnet positioned between the gun and the first accelerating column to ensure initial focusing. The LINAC system comprises four accelerating columns.
To achieve proper beam focusing and matching to the LTB (Linac to Booster), nine quadrupole magnets are installed downstream of the second accelerating column. Energy for the RF gun and accelerating columns is supplied by two klystron-modulator systems. For stable energy delivery, klystron-modulator systems with a power capacity of 70 MW are employed, each regulated separately by dedicated LLRF-SSA (Low-Level RF and Solid-State Amplifier) feedback systems. Additional details will be provided in the presentation.

Funding Agency

This research was supported in part by the Korean Government(MSIT: Ministry of Science and ICT)