CIRCE: Coherent InfraRed CEnter

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Filling the THz Gap
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Coherent Synchrotron Radiation
Calculated Flux
Brief Parameter List

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Optical Functions & Beam Envelopes
Dipole Chamber
Vacuum Chamber
Mirror M1
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Brief List of CIRCE Ring Parameters

Quantity Value
Nominal Energy 600 MeV
Max Energy 800 MeV
Magnet Radius 1.335 m
Vacuum Chamber Height 4.0 cm
Ring Circumference 66 m
RF Frequency 1.5 GHz
Max RF Voltage 1.2 MV
Harmonic Number 330
Total Current 30, 150, 380 mA
Current per Bunch .09, 0.45, 1.15 mA
Momentum Compaction 4.3x10-4, 1,7x10-3, 3.9x10-3
Natural Bunch Length (rms) 1, 2, 3 ps
Synchrotron Frequency 30.6, 61.3, 91.9 kHz
Total Coherent Radiated Power
(for each 300 mrad beamport)
0.030, 0.277, 0.973 kW
Total Incoherent Radiated Power 0.252, 1.273, 3.272 kW
Energy Loss per Turn 9.59, 10.46, 11.14 keV
Natural Energy Spread 4.45 x 10-4
Natural Emittance 56.3 nm rad
Tunes H/V 5.15 / 4.2
Damping Times H/V/L 27.9 / 30.7 / 16.2 ms
Number of Periods 6
Dipoles/Period 2
Quadrupoles/Period 6
Quadrupole Families 3
Sextupoles/Period 5
Sextupoles Families 3
Octupoles/Period (inside quads) 6
Octupoles Families 3
BPMs/Period 4
Correctors/Period H/V 4/4

When three values are presented, they are for the three example running modes shows in the Calculated Flux plot shown below: