Singapore Synchrotron Light Source

Makes Light Work For You
  • Schematic of Helios2

     

    Simplified schematic of Helios 2

     

    Schematic of storage ring components

     

    Plan view of the electron storage ring

     

    Helios 2 storage ring major parameters

     

    Parameter 
    Unit
    Value
    Electron Energy
    MeV
    700
    Magnetic Field
    T
    4.5
    Circumference
    m
    10.8
    Number of beam ports
     
    20 + 1
    Horizontal angular aperture of port
    mrad
    60
    Beam Current
    mA
    >200
    Beam Lifetime
    h
    >10
    Charateristic photon energy
    keV
    1.47
    Charateristic photon wavelength
    nm
    0.845
    Emittance
    µmrad
    0.5
    Source diameter horizontal
    mm
    1.45-0.58
    Source diameter vertical
    mm
    0.33-0.38

     

    Helios main sub-systems

     

    Main components
    Descriptions
    Cryogenics system LINDE TCF20s helium refrigerator system
    Injection system Scanditronix RTM 100 Microtron
    Control system DEC 3300X AXP running the OpenVMS operating system
    RF system 50 kW amplifier
    Compressed air supply Two air compressors, 500 l/min each, 8 bar, 20C
    DI water system 6 pumps, 6 circuits, 8 bar, 20 C
    Beam time in hour from 2000 to 2021

     

     

     

    Beam current from January to July 2021

     

     

     

    Beam lifetime from January to July 2021