A PORTABLEELECTRON BEAM GENERATOR FOR RELATIVISTIC ELECTRONBEAM CHARACTERIZATIONEXPERIMENTS

alsobeusedifthepulsed forming lineiscapable of sustaining highvoltages forlonger durations unlike water A compact Pulsed Powersystem, whichisreported in line butthis isverycostly affair. thispaper,isdesigned forconducting Relativistic- Simpleconstruction, simplified switching, cost Electron-Beam characterization experiments inthespace-effectiveness and compactstructure isthemajor charge limited flow. Theexperiments areconducted for advantages ofusing tesla transformer forcharging pulsed various cathode materials likegraphite andvelvet and forming line. Whiledoingresearch inthedirection of alsoforvarious anodetransparencies andgeometries by miniaturization ofRelativistic Electron beamgenerators, making themofthin foil aswellasofmesh.Thereportedwehaveusedasolid dielectric pulsed forming line made Pulsed powersystemismadeverycompact aswellas ofcables ofveryhighvoltage ratings whichareusedin portable byusing solid dielectric pulsed forming line. The cascade togivematching impedance tothevacuumfield system consists ofatesla transformer, whichisofhelicalemission diode. secondary andcylindrical-sheet single-turn primary. Tesla Inthenextsection we havepresented thecircuit charges apulse forming line madeofcascade of50ohm modeling ofthewholeintegrated system onthePSPICE transmission lines, whichareofhighwattage aswellas student version andanalyzed theexpected results. After highvoltage ratings underpulsedoperation. Thenet thatwe havepresented thedesignprocedure and impedance ofthis cable cascade issuchthat itismatchedfabrication details ofcomponents whichareclose toour foradesigned diode asload. Theimpedance ofdesignedmodeling parameters. After giving design andfabrication diodeis13.5ohmandisdesigned tooperate at250kV details wehavepresented ourresults andputaconclusion andhencealmost 18.5kA current levels forlOOnspulseonthetopic. duration. Related designdetails aswellasallthe diagnostics, usedformeasurement ofcurrent, voltage and other parameters ofinterest, arereported andfinally the II.CIRCUITMODELING AND ANALYSIS results arecompiled inthis paper. ThePSPICEequivalent circuit ofwholeRelativistic Electron beamGenerating system isshowninfig. 1.A