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000171168 0247_ $$2datacite_doi$$a10.3204/DESY-THESIS-2014-021
000171168 0247_ $$2Inspire$$a1315050
000171168 037__ $$aDESY-2014-03183
000171168 041__ $$aEnglish
000171168 0881_ $$aDESY-THESIS-2014-021
000171168 088__ $$2DESY$$aDESY-THESIS-2014-021
000171168 1001_ $$0P:(DE-H253)PIP1011663$$aMalyutin, Dmitriy$$b0$$eCorresponding Author$$gmale$$udesy
000171168 245__ $$aTime Resolved Transverse and Longitudinal Phase Space Measurements at the High Brightness Photo Injector PITZ$$f2010-04-01 - 2014-08-19
000171168 260__ $$aHamburg$$c2014
000171168 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis$$bphd$$mphd$$s1424269821_21747
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000171168 3367_ $$0PUB:(DE-HGF)15$$2PUB:(DE-HGF)$$aInternal Report$$mintrep
000171168 4900_ $$0PERI:(DE-600)1437131-5$$aDESY-THESIS$$x1435-8085
000171168 502__ $$aUniversity of Hamburg, Diss., 2014$$bDr.$$cUniversity of Hamburg$$d2014
000171168 500__ $$aPITZ facility
000171168 520__ $$aShort wavelength, high intensity Free Electron Lasers (FELs) require a high brightness electron beam, i.e. the beam should have small transverse and longitudinal sizes, small divergence and energy spread and high peak current. Therefore, the detailed characterization of the beam is required.The Photo Injector Test facility at DESY, Zeuthen site (PITZ), was established as a test stand of the electron source for Free electron Laser in Hamburg (FLASH) and the European X ray Free Electron Laser (XFEL). The PITZ beamline consists of various types of diagnostic devices for the detailed bunch characterization. Mainly, the transverse phase space characterization is performed at PITZ, but longitudinal phase space measurements are also of great importance for full characterization of high brightness electron bunches from the photo injector.One of the ways to measure the longitudinal phase space of electron bunch is an RF deflector. It deflects particles transversely with respect to the movement direction of the bunch in a linear dependence on their longitudinal coordinates within the bunch. As a result it gives the possibility to perform measurements of the bunch longitudinal properties in combination with a following transverse beam characterization. Using additionally a dispersive section the longitudinal phase space can be obtained as well.Another approach to measure the longitudinal phase space of the bunch is a tomographic method based on measurements of the momentum spectra while varying the electron bunch energy chirp. The energy chirp at PITZ can be applied and changed by varying the RF phase of the CDS booster – the accelerating structure installed downstream the gun. The resulting momentum distribution can be measured with a dipole spectrometer downstream. As a result, the longitudinal phase space at the entrance and exit of the CDS booster can be reconstructed over a wide range of bunch charges. In this thesis both methods for longitudinal phase space measurements are described in detail. Measurement techniques are introduced. Numerical simulations of the measurements are performed and studied. Results of the first longitudinal phase space measurements at PITZ using the tomographic technique are presented.
000171168 536__ $$0G:(DE-HGF)POF2-541$$a541 - Photons (POF2-541)$$cPOF2-541$$fPOF II$$x0
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000171168 773__ $$y2014
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000171168 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1011663$$aDeutsches Elektronen-Synchrotron$$b0$$kDESY
000171168 9132_ $$0G:(DE-HGF)POF3-631$$1G:(DE-HGF)POF3-630$$2G:(DE-HGF)POF3-600$$aDE-HGF$$bForschungsbereich Materie$$lMaterie und Technologie$$vAccelerator R & D$$x0
000171168 9131_ $$0G:(DE-HGF)POF2-541$$1G:(DE-HGF)POF2-540$$2G:(DE-HGF)POF2-500$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bStruktur der Materie$$lForschung mit Photonen, Neutronen, Ionen$$vPhotons$$x0
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