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LINAC Parameters

Sources & accelerators Contents > Accelerators > LINAC parameters
LINAC parameters
Name : HELIOS (Hundred MeV Electron Linac Injector Of SOLEIL)
ELECTRONS
Energy (MeV)
 
100
S band Linac, frequency (MHz)
 
2 998.30
 
Triode Gun, energy (keV), peak current (A)
 
90 - 0.5
SW prebuncher, single cavity
frequency (MHz), RF Power (W), voltage (kV)
 
2 998.30 - 100 - ± 10
SW buncher, 1 meter long, focused
frequency (MHz),energy gain (MeV)

 
2 998.30 - 15
Accelerating structures, Nb 2
 
TW type, 4.5 meter long, 2 p/3 mode
 
 
Shunt impedance (MO/m)
 
63 - 74
Filling time (µs), energy gain (MeV)
 
1.35 - 45
Klystrons : type, number
 
TH 2100 - 2
RF power peak (MW)
 
35
Output envelop emittance (m.rad)
Max. energy spread80
 
1 10-6
± 1.5%
Long pulse mode
 
 
Gun train pulse duration
 
300 ns chopped at 352.202 MHz
Output LINAC required charge:
  - Complete injection
  - Top-up
 
 
5 nC
8 nC
Short pulse mode
 
 
Gun single pulse width
 
2 ns FWHM
Number of pulses
 
1 to 4
Output LINAC required charge (nC) :
  - Complete injection
  - Top-up
 
Max : 4 x 0.5 nC = 2 nC
1.6 nC
MAGNETS
Solenoids:
  - Number (Short - medium - long)
  - Maximum Induction (mT)
 
  
4 - 1 - 2
50 - 300 - 200
Quadrupoles : Triplets
  - Yoke length (external - internal) (mm)
  - Drift length (mm)

 
 
60 - 120
80
Bore radius (mm)
 
20
Maximum gradient (Tm-1)
 
6.5
DIAGNOSTICS
FCT
 
5
Screen Monitors (in vacuum screen + camera)
 
3  
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