Feasibility Study of Upgrades to the PLS-II Storage Ring

The PLS-II is a third-generation light source; it has been operating since 2011. It has a double-bend structure with non-zero dispersion along the straight section. Here, we assess three proposed upgrades to the PLS-II. First, we evaluate use of a canted insertion device beamline to increase the num...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2020, 77(5), , pp.354-356
Main Authors: Oh, B.-H., Ha, T., Kim, D.-E., Lim, J.-H., Lee, H.-H., Kim, J.-H., Shin, S., Lee, J.
Format: Article
Language:English
Subjects:
Bend strength
Evaluation
Feasibility studies
Light sources
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Theoretical
물리학
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Summary:The PLS-II is a third-generation light source; it has been operating since 2011. It has a double-bend structure with non-zero dispersion along the straight section. Here, we assess three proposed upgrades to the PLS-II. First, we evaluate use of a canted insertion device beamline to increase the number of beamlines. Second, we evaluate the consequences of upgrading the bending magnet to a superbend magnet; the change doubles the strength of the bending field and increases the critical energy from 8.7 keV to 17 keV. Finally, a short-bunch mode for time-resolved experiments is studied; the goal is to achieve a bunch length of 5 ps rms by using a low-alpha mode and increasing the RF gap voltage.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.77.354