High Brightness Electron Beam Diagnostics and their ... - CASA
High Brightness Electron Beam Diagnostics and their ... - CASA High Brightness Electron Beam Diagnostics and their ... - CASA
REPORTJLAB-TN-00-0699 ThisWorkhasbeenpreparedundertheUS-DOEcontractnumberDE-AC05-84ER40150,theOce ofNavalResearch,theCommonwealthofVirginiaandtheLaserProcessingConsortium. correspondingelectronicaddress:philippe.piot@desy.de
eratedupto48MeVpriortothelasingsystemconsistinginaplanarwigglerwhosespontaneousingacceleratorhasbeenbuiltandcommissionedatThomasJeersonNationalAcceleratorFacility. Thesystemisprincipallycomposedofa10MeVphotoinjectorcapableofdeliveringahighcharged (60pC)shortbunch(1ps)electronbeamwhichisinjectedinasuperconductinglinacandaccel- Abstract radiationisampliedwitharesonantcavity. ThepresentreportdetailsthediagnosticsthathavebeendevelopedandimplementedintheIRFEL driver-acceleratorforcharacterizingbothtransverseandlongitudinalphasespace.Wealsoreport Ahighpowerinfraredfree-electronlaser(IRFEL)facilitydrivenbyarecirculatingsuperconduct- ontheuseofthedevelopedinstrumentandrelatedtechniquestostudyandtrytounderstandsome BeamDynamicsproblemsinthedriver-accelerator.Whenpossible,wehavetriedtobenchmark laser,Bunchlengthcharacterization,Coherentradiation,Opticaltransitionradiation. measurementswithnumericalsimulations. Keywords:Electronbeamdynamics,Phasespace,Emittance,High-brightnessbeam,Free-electron temederecuperationd'energieaeteconstruitetrecemmentmisenrouteaThomasJeerson Resume Unlaseraelectronslibresinfrarouge(IRFEL)utilisantunaccelerateursupraconducteuravecsys- |||||{ NationalAcceleratorFacility.Lesystemesecomposeprincipalementd'uninjecteur,dontlasource lesapplicationsdecesdiagnosticsaquelquesproblemesdedynamiquedefaisceau.Quandcelafut phasetransversauxetlongitudinaldufaisceaud'electrondel'accelerateur.Nousdecrivonsaussi pouvantatteindre48MeV.Lesystemedeproductiondelumieresecomposed'unonduleurplan dontl'emissionspontaneeestamplieegr^aceaunecaviteoptiqueresonnante. Lepresentrapportdecritlesdiagnosticsquiontetedeveloppesandecaracteriserlesespacesde tronssontensuiteinjectesdansunaccelerateurlineaireouilssontacceleresjusqu'auneenergie d'electronsestbaseesurl'eetphotoelectrique.Cettesourcepeutproduiredespaquetsd'electron possiblenousavonstentedecomparerlesresultatsdenosmesuresavecdessimulationsnumeriques. fortementcharges(60pC)ultra-court(1ps),ayantuneenergiedel'ordrede10MeV.Ceselec- Mots-Clefs:Dynamiquedefaisceaud'electrons,Espacedephase,Emittance,Faisceaud'electrons afortebrillance,Laseraelectronslibres,Mesuredelalongueurdepaquetsd'electrons,Rayonnementcoherent,Rayonnementdetransitionoptique. |||||{
- Page 1: HighBrightnessElectronBeamDiagnosti
- Page 5 and 6: IthanktheCEBAFmachineoperators,with
- Page 7 and 8: 3.4MeasurementoftheLongitudinalResp
- Page 9 and 10: 5.6ZerophasingTechniqueforBunchLeng
- Page 11 and 12: ListofTables 3.2Comparisonofcoecien
- Page 13 and 14: ListofFigures 1.1Comparisonoftheexp
- Page 15 and 16: 3.11Momentumcompactionandnonlinearm
- Page 17 and 18: 4.18Overviewofthephasespacesampling
- Page 19 and 20: 5.16Interferogrammeasuredfordierent
- Page 21 and 22: 6.10Comparisonofthermstransversehor
- Page 23 and 24: Chapter1 UVdomainandareplannedtogen
- Page 25 and 26: space-chargeinthelowenergyregime,an
- Page 27 and 28: !Vjitsthevelocity,and!Xjisthepositi
- Page 29 and 30: equation boundarybetweenvacuumandam
- Page 31 and 32: 10 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.
- Page 33 and 34: 1.0 0.8 0.6 0.4 0.2 E=10 MeV E=42 M
- Page 35 and 36: 00000000000000000000000000000000000
- Page 37 and 38: harmonicwithproperchoiceoftheKvalue
- Page 39 and 40: Bu(rms)0.28T ParameterValueUnit Nu
- Page 41: 2.7TheJeersonLabIRproject usedasexp
- Page 44 and 45: Study TheFELdriveraccelerator:Latti
- Page 46 and 47: ParameterValue x -0.178 x(m) 8.331
- Page 48 and 49: Thepurposeofmeasuringthetransverser
- Page 50 and 51: computedusingthelatticeset-upuseddu
eratedupto48MeVpriortothelasingsystemconsistinginaplanarwigglerwhosespontaneousingacceleratorhasbeenbuilt<strong>and</strong>commissionedatThomasJeersonNationalAcceleratorFacility. Thesystemisprincipallycomposedofa10MeVphotoinjectorcapableofdeliveringahighcharged (60pC)shortbunch(1ps)electronbeamwhichisinjectedinasuperconductinglinac<strong>and</strong>accel- Abstract<br />
radiationisampliedwitharesonantcavity. Thepresentreportdetailsthediagnosticsthathavebeendeveloped<strong>and</strong>implementedintheIRFEL driver-acceleratorforcharacterizingbothtransverse<strong>and</strong>longitudinalphasespace.Wealsoreport Ahighpowerinfraredfree-electronlaser(IRFEL)facilitydrivenbyarecirculatingsuperconduct-<br />
ontheuseofthedevelopedinstrument<strong>and</strong>relatedtechniquestostudy<strong>and</strong>trytounderst<strong>and</strong>some <strong>Beam</strong>Dynamicsproblemsinthedriver-accelerator.Whenpossible,wehavetriedtobenchmark laser,Bunchlengthcharacterization,Coherentradiation,Opticaltransitionradiation. measurementswithnumericalsimulations. Keywords:<strong>Electron</strong>beamdynamics,Phasespace,Emittance,<strong>High</strong>-brightnessbeam,Free-electron<br />
temederecuperationd'energieaeteconstruitetrecemmentmisenrouteaThomasJeerson Resume Unlaseraelectronslibresinfrarouge(IRFEL)utilisantunaccelerateursupraconducteuravecsys- |||||{<br />
NationalAcceleratorFacility.Lesystemesecomposeprincipalementd'uninjecteur,dontlasource<br />
lesapplicationsdecesdiagnosticsaquelquesproblemesdedynamiquedefaisceau.Qu<strong>and</strong>celafut phasetransversauxetlongitudinaldufaisceaud'electrondel'accelerateur.Nousdecrivonsaussi pouvantatteindre48MeV.Lesystemedeproductiondelumieresecomposed'unonduleurplan dontl'emissionspontaneeestamplieegr^aceaunecaviteoptiqueresonnante. Lepresentrapportdecritlesdiagnosticsquiontetedeveloppes<strong>and</strong>ecaracteriserlesespacesde tronssontensuiteinjectesdansunaccelerateurlineaireouilssontacceleresjusqu'auneenergie d'electronsestbaseesurl'eetphotoelectrique.Cettesourcepeutproduiredespaquetsd'electron<br />
possiblenousavonstentedecomparerlesresultatsdenosmesuresavecdessimulationsnumeriques. fortementcharges(60pC)ultra-court(1ps),ayantuneenergiedel'ordrede10MeV.Ceselec-<br />
Mots-Clefs:Dynamiquedefaisceaud'electrons,Espacedephase,Emittance,Faisceaud'electrons afortebrillance,Laseraelectronslibres,Mesuredelalongueurdepaquetsd'electrons,Rayonnementcoherent,Rayonnementdetransitionoptique. |||||{