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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space-chargeinthelowenergyregime,<strong>and</strong>wakeeld(forshortbunch)canleadtobeaminstabil-<br />
density,thetransverseemittance<strong>and</strong>thebeamenergyspread.Thepresentreportdealswithseveral phase-spaceyieldinganemittancegrowthinthebendingplane. Thebeamparametersweneedtomeasureacuratelyare:thebunchlength,thebeamtransverse CSRleadstoanincreaseinenergyspreadwhichinturncoupleviadispersiontothetransverse ity.Anotherpotentialproblemthatcanarisewithsuchbeamparametersistheselfinteractionof<br />
aspectsconcerningthedevelopmentofthe<strong>Beam</strong>Instrumentationrequiredtoproperlycharacterize abunchviacoherentsynchrotronradiation(CSR)emittedasthebunchpassesthroughdipoles.<br />
opedtocharacterizebeaminbothemittance<strong>and</strong>space-charge-dominatedregime.TheChapter theelectronbeam<strong>and</strong>performsome<strong>Beam</strong>PhysicsstudiesintheJeersonLabIRFEL.InChapter<br />
willpresentsomebeamdynamicsstudiesoftheinjector,<strong>and</strong>intherecirculatorwithanattempt electronbeamparameters.ChapterThreepresentstheFEL-driveracceleratoralongwithsomeopticallatticecharacterizationthatwerecrucialforunderst<strong>and</strong>ing<strong>and</strong>settinguptheenergyrecoveryscheme.InChapterFour,wedescribethetransversephasespaceinstrumentationwehavedevel- Fivepresentsourworkforcharacterizingultra-short(sub-picosecond)bunch.InChapterSixwe Twowewillreviewradiationsemittedbyelectrons<strong>and</strong>explaintheprincipleofFELoscillatorby usingasanexampletheIRFEL<strong>and</strong>trytounderst<strong>and</strong>whatarethespecicationontheIRFEL tomeasuretheemittancegrowthintherecirculationarcoftheIRFEL.Wewillthenconcludein aChapterSeven.
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