- Conference date: 27 September–2 October 2009
- Location: Melbourne (Australia)
The Pohang Light Source (PLS) at the Pohang Accelerator Laboratory has been operated first at 2.0 GeV since 1995, and later was upgraded to 2.5 GeV. During this time, 6 insertion devices like undulators and multipole wigglers have been put into operation to produce special photon beams, with a total of 27 beamlines installed and 3 beamlines under construction. Recently, Korea synchrotron user’s community is demanding high beam stability, higher photon energies as well as more straight sections for insertion devices in the PLS. To meet the user requirements, the PLS‐II upgrade program has been launched in January, 2009, incorporating a modified chromatic version of Double Bend Achromat (DBA) to achieve almost twice as many straight sections as the current PLS with a design goal of the relatively low emittance, ε, of 5.9 nm⋅rad. In the PLS‐II, the top‐up injection using full energy linac is planned for much higher stable beam as well and thus the production of hard x‐ray undulator radiation of 8 to 13 keV is anticipated to allow for the successful research program namely Protein Crystallography. The PLS‐II machine components of storage ring, linear accelerator and photon beamlines will be partly dismantled and reinstalled in a 6‐months shutdown beginning January, 2011 and then the PLS‐II upgrade be started the initial commissioning with a 100 mA beam current from July in 2011.
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