小型潘寧離子源中子管離子光學系統(tǒng)的研究.pdf

1、小型潘寧離了源rf_f了管離了光學系統(tǒng)的研究獨創(chuàng)性聲明本人聲明所呈交的學位論文是本人在導師指導下進行的研究一f作及取得的研究成果。據(jù)我所知，除了文中特別加以標注和致謝的地方外，論文中1≮包含其他人已經(jīng)發(fā)表或抄E。EI。，過的研究成果，也不包含為獲得t中匡1]二程物理研究院或其他教育機構的學位或讓I=c使用過的材料。與我一同工作的同志對qxq：究所做的任例貞獻均已在論文中作了明確的說明并表示謝意。學位論文作者簽名：百晦夏簽字日期：卅年辱月

2、礦日學位論文版權使用授權書本學位論文作者完全了解并接受孫I：科物理研究院研究生部彳j火保存、使用學似淪文I，i勺規(guī)定，允許淪文被查閱、fiS：1j8和送交凼家有天部『J或機構，川mJ授杖【㈨Iih：拌物刖研究院研究牛部J。以將學位論文人1’’’l“J或部分I～容編入仃火數(shù)圳阼進仃愉索，川‘以I夠[【J、約打【=fJ或手f“17i冬≠復；64于段fj：硝i、j卜約fIj。j!j位淪文。引ti侖姍凇彩：巧齜7∥川州：鉬礦i釧f川，贏熱肇日≯

3、j’’jI㈨p卯“厶j小型潘寧離子源中子管離子光學系統(tǒng)的研究AbstractTheneutrongeneratorisakindofneutronsourcethathasbeenwidelyappliedinmanyareasItproduces25MeV(DD)or14MeV(DT)neutronIonsource，IonopticssystemandtargetareimportantpartsofaneutrontubeIons

4、whicharegeneratedintheionsource，areextractedandfocusedordispersedbytheionopticssystem，finallyimpingethetargetandproduceneutronsItistheionopticssystemthatdeterminesthetransfercharacteristicofbeam，andultimatelyaffectsthene

5、utronyield，stabilityandlifeoftheneutrontubeHence，theresearchworkofionopticssystemisanecessarilypartintheneutrontubedesignTheprincipleofbeamoptiCSisreviewedfirstinthispaperThetransfercharacteristicsofionbeamofaxisymmetric

6、staticlensandsomesimplelensaredescribedinphasespacewithtransfermatrixTheequationofenvelopingcurveofbeamisdeducted，andtheinfluenceofspacechargeonbeamtransferisdiscussedsimplyEspecially，thecharacteristicsofionopticssystemo

7、fneutrontubeanditseffectontheperformanceofneutrontubeareintroducedTheaperturefilmmodeisusedtosimplifytheionopticssystemofneurontube，andtocalculateitstransfermatrixTheworkingmechanismofPenningionsourceisstudiedbyanalyzing

8、factorswhicheffectonPenningdischargeElectrontemperatureandplasmadensityofPenningionsource，whenairpressureis1xlO3Pa，anodepotentialis1400V，ismeasuredindoubleprobeexperimentThesoftwareIGUNisusedtocalculateandsimulatethetran

9、sfercharacteristicofbeaminionopticssystemofasmallPenningionsourceneutrontubeTheemittances，focusingcharacteristicsandbeamspotsofdifferentelectricparameters，differentplasmadensitiesarecalculatedTheresultofXraymeasurementon

10、surfaceofausedtritiumtargetshowsthedistributionofbeamthatimpingedonsurfaceofthetritiumtargetcomplywiththedistributionofbeamofunderfocusNeutrontubesofdifferentusesaskfordifferentbeamsTherefore，ionopticssystemalsohascorres