2020•Journal of Synchrotron RadiationOpen access

Investigation of the damping wiggler effect and application on the PAL fourth-generation storage ring

Gyeongsu Jang, M. Yoon, J. Lee, Bonggi Oh, J. Kim, D.-E. Kim, S. Shin

Abstract

An investigation of the damping wiggler effect to reduce the emittance in the Pohang Accelerator Laboratory (PAL), a fourth-generation storage ring (4GSR) that uses a multi-bend achromat, is presented. A 4GSR lattice which has reduced emittance and increased dynamic aperture to amplify the synergy with two existing light sources (PLS-II and PAL-XFEL) at PAL is described.

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Key concepts: Wiggler, Storage ring, Thermal emittance, Dynamic aperture, Achromatic lens, Physics, Optics, Ring (chemistry)