Characteristics of the Synchrotron Radiation of Fourth-Generation Storage Rings
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- Title
- Characteristics of the Synchrotron Radiation of Fourth-Generation Storage Rings
- Authors
- Ko, Jinjoo; Oh, Bonghun; Shin, Seunghwan; Lee, Jaeyu; Jang, Gyeongsu; Yoon, Moohyun
- Date Issued
- 2020-09
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- Fourth-generation storage rings (4GSR) based on multi-bend achromat (MBA) lattices promise to deliver stable X-ray beams with higher brightness and coherence than existing third-generation light sources. The basic ingredient in achieving higher brightness is a further reduction of the electron beam emittance in storage rings dedicated to light sources. These 4GSR lattices can lead to 1 to 2 orders of magnitude reductions in the beam emittance by employing a MBA, where many dipoles per cell are used to keep the dispersion function low inside the dipoles. Moreover, these low emittance beams are transported to the beam-line through the insertion device or center-bend, which is a permanent magnet with a 2 T magnetic field. In this paper, we will introduce the characteristics of the synchrotron radiation of 4GSR compared to present third-generation sources, PLS-II.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/107836
- DOI
- 10.3938/jkps.77.363
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 77, no. 5, page. 363 - 367, 2020-09
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