Author: Kittimanapun, K.
Paper Title Page
TUA2WB01
 Future Synchrotron Light Source in Thailand  
 
  • T. Chanwattana, N. Juntong, K. Kittimanapun, P. Klysubun, T. Pulampong, P. Sudmuang
    SLRI, Nakhon Ratchasima, Thailand
  
  A 3-GeV syn­chro­tron light source has been de­signed as a fu­ture light source in Thai­land. The stor­age ring is de­signed util­is­ing Dou­ble Triple Bend Achro­mat (DTBA) lat­tice to achieve beam emit­tance below 1 nm·mrad, max­i­mum beam cur­rent of 300 mA and two straight sec­tions per cell. A full en­ergy linac is a promis­ing choice as the stor­age ring in­jec­tor due to its po­ten­tial to be op­er­ated as the stor­age ring in­jec­tor and an in­jec­tor for a short pulse fa­cil­ity. The linac can be up­graded to a soft X-ray Free Elec­tron Laser (FEL) fa­cil­ity by ex­tend­ing an un­du­la­tor sec­tion. The de­sign of the linac in­jec­tor con­sists of a pre-in­jec­tor based on a pho­to­cath­ode RF gun, two main linacs based on high gra­di­ent S-band struc­tures, and two bunch com­pres­sors. The high gra­di­ent S-band struc­ture with the ac­cel­er­at­ing gra­di­ent of 35-40 MV/m is suit­able to achieve the beam en­ergy of 3 GeV within the in­jec­tor length of about 150 m. The bunch com­pres­sors are in­cluded for gen­er­at­ing 100-fs elec­tron bunches for the short pulse fa­cil­ity. This paper pre­sents de­signs and sim­u­la­tion re­sults of the stor­age ring and the linac in­jec­tor of Thai­land new light source.  
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WEP1WD03
 RF System for the Storage Ring and Linac of the Future Synchrotron Light Facility in Thailand  
 
  • N. Juntong, T. Chanwattana, K. Kittimanapun, T. Pulampong
    SLRI, Nakhon Ratchasima, Thailand
  
  The fu­ture syn­chro­tron light fa­cil­ity in Thai­land is in de­sign­ing process, which has a goal to com­plete a de­tailed de­sign re­port in 2018. The new light source will be a ring-based light source with the cir­cum­fer­ence of ap­prox­i­mately 300m and an elec­tron en­ergy of 3GeV. The max­i­mum beam cur­rent is 300mA with a beam emit­tance below 1.0 nm·rad. The ac­cel­er­a­tor is based on a full en­ergy linac, which will uti­lize a S-band fre­quency struc­tures. The RF sys­tem of the stor­age ring is based on 500MHz fre­quency. The EU-HOM damped cav­ity and the new SPring-8 de­sign TM020 cav­ity is the choice of the stor­age ring cav­ity. The RF power trans­mit­ter can ei­ther be a high-power kly­stron (1 MW kly­stron) feed all RF cav­i­ties or a com­bi­na­tion of low power IOTs or solid-state am­pli­fiers feed each cav­ity. The high gra­di­ent S-band struc­ture is con­sid­ered as the main ac­cel­er­at­ing struc­ture for linac. The RF power sys­tem for linac will base on kly­stron and a mod­u­lar mod­u­la­tor. This paper pre­sents de­tails of RF sys­tems op­tions for this new light source pro­ject.  
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