High brilliant X-rays Source
Use of in-vacuum undulators with low phase errors can improve undulator radiation,a more intense coherent photon flux in the hard X-ray region can be obtained.
| Items |
Unit |
Values |
| Magnet structure |
|
Hybrid |
| Magnet material |
|
NdFeB (NMX-S38EH) |
| Remanence ( Br ) |
T |
1.20 |
| Coercivity ( Hcj ) |
kA/m |
>2500 |
| Pole material |
|
Vanadium Permendur |
| Period |
mm |
22 |
| Min. magnetic gap ,Gmag |
mm |
7 |
| Min. vacuum gap , Gvac |
mm |
6.6 |
| Effective magnetic field |
T |
0.76 |
| Deflection parameter |
|
1.56 |
| Number of periods |
|
140 |
| Magnetic force |
kN |
13.6 |
| Total device length |
m |
3.57 |
| Number of devices |
|
5 ( 1 錐形磁場) |
Standard undulator for TPS Phase-I X-ray beamlines