ALS Photon Source parameters
Flux and Brightness Curves for Bend Magnets and Insertion Devices*
Operational
Elliptical Polarization Undulator
Proposed
*U5, U8, U10, EPU, and W16 curves were calculated with the following source parameters:
| machine energy | 1.9 GeV |
| current | 400 mA |
| vertical emittance | 6x10-11 m·rad |
| vertical beta | 4.2 m |
| horizontal emittance | 6x10-9 m·rad |
| horizontal beta | 11.2 m |
Insertion Device Parameters
| Device | Beamline | Energy Range (at 1.5 GeV) | Energy Range (at 1.9 GeV) | Period Length | No. of Periods | Operating Gap Range | Peak Effective Field Range |
|---|---|---|---|---|---|---|---|
| U5 Undulator | 8.0 | 130-1900 eV | 210-3000 eV | 5.0 cm | 89 | 1.4-4.5 cm | 0.46-0.10 T |
| U5 Undulator | 7.0 | 50-1900 eV | 80-3000 eV | 5.0 cm | 89 | 1.4-4.5 cm | 0.85-0.10 T |
| U8 Undulator | 12.0 | 18-1200 eV | 30-1900 eV | 8.0 cm | 55 | 2.5-8.3 cm | 0.80-0.07 T |
| U10 Undulator | 9.0 | 5-950 eV | 8-1500 eV | 10.0 cm | 43 | 2.4-11.6 cm | 0.98-0.05 T |
| U10 Undulator | 10.0.1 | 8-950 eV | 12-1500 eV | 10.0 cm | 43 | 2.4-11.6 cm | 0.80-0.05 T |
| EPU5 Elliptical Polarization Undulator | 4.0 | 60-1000 eV1 | 100-1500 eV1 | 5.0 cm | 37 | 1.45-5.5 cm | 0.79-0.10 T2 0.54-0.10 T3 |
| W16 Wiggler | 5.0 | 5-13 keV | 5-21 keV | 16.0 cm | 19 | 1.4-18.0 cm | 2.1-0.03 T |
1Elliptical polarization mode.
2Vertical field.
3Horizontal field.