High Brightness Electron Beam Diagnostics and their ... - CASA
High Brightness Electron Beam Diagnostics and their ... - CASA
High Brightness Electron Beam Diagnostics and their ... - CASA
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driveraccelerator Figure5.21:ExperimentalsetuptomeasurebunchlengthwithzerophasingmethodintheIR-FEL<br />
Cavities tuned off<br />
24 MeV dipole<br />
Quadrupole<br />
OTR<br />
To ER dump<br />
12<br />
10<br />
0.036 mm<br />
2 cavities -90 deg (SC OFF)<br />
2 cavities -90 deg (SC ON)<br />
2 cavities +90 deg (SC OFF)<br />
4<br />
8 2 cavities +90 deg (SC ON)<br />
Figure5.22:Horizontalbeamenvelopeevolutionfromtheexitofthefourcavitiesinthecryomodule<br />
3 cavities -90 deg (SC OFF)<br />
4 3<br />
3 cavities -90 deg (SC ON)<br />
uptothebeamprolestationinthespectrometertransportlinefordierentnumbersofzerophasing<br />
3 cavities +90 deg (SC OFF)<br />
3<br />
3 cavities +90 deg (SC ON)<br />
6<br />
cavities.Foreachcase,thespacechargeroutineinparmelaisturnedon<strong>and</strong>o.<br />
4 cavities -90 deg (SC OFF)<br />
2<br />
4 cavities -90 deg (SC ON)<br />
4 cavities +90 deg (SC OFF)<br />
2<br />
4 cavities +90 deg (SC ON)<br />
4<br />
1<br />
1<br />
2<br />
All cavity off<br />
0<br />
1600 1800 2000 2200 2400 2600<br />
Distance (cm)<br />
x (mm)<br />
cavities off (SC OFF)<br />
cavities off (SC ON)<br />
1 cavity -90 deg (SC OFF)<br />
1 cavity -90 deg (SC ON)<br />
1 cavity +90 deg (SC OFF)<br />
1 cavity +90 deg (SC ON)
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