학술논문
Status of the conceptual design of ALS-U
Document Type
article
Author
Steier, C; Allézy, A; Anders, A; Baptiste, K; Byrd, J; Chow, K; Cutler, G; Donahue, R; Duarte, R; Jung, JY; Leemann, S; Leitner, M; Luo, T; Nishimura, H; Oliver, T; Omolayo, O; Osborn, J; Pappas, C; Persichelli, S; Placidi, M; Portmann, G; Reyes, S; Robin, D; Sannibale, F; de Santis, S; Sun, C; Swenson, C; Venturini, M; Waldron, W; Wallén, E; Wan, W
Source
Subject
Language
Abstract
The ALS-U upgrade promises to deliver diffraction limited performance throughout the soft x-ray range by lowering the horizontal emittance to about 50 pm resulting in 2-3 orders of brightness increase for soft x-rays compared to the current ALS. The design utilizes a multi bend achromat lattice with on-axis swap-out injection and an accumulator ring. One central design goal is to install and commission ALS-U within a short dark period. This paper summarizes the status of the conceptual design of the accelerator, as well as some results of the R&D program that has been ongoing for the last 3 years.