小型潘寧離子源中子管離子光學(xué)系統(tǒng)的研究.pdf

1、小型潘寧離了源rf_f了管離了光學(xué)系統(tǒng)的研究獨(dú)創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)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(biāo)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(jī)構(gòu)的學(xué)位或讓I=c使用過的材料。與我一同工作的同志對(duì)qxq：究所做的任例貞獻(xiàn)均已在論文中作了明確的說明并表示謝意。學(xué)位論文作者簽名：百晦夏簽字日期：卅年辱月

2、礦日學(xué)位論文版權(quán)使用授權(quán)書本學(xué)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(xué)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(jī)構(gòu)，川mJ授杖【㈨Iih：拌物刖研究院研究牛部J。以將學(xué)位論文人1’’’l“J或部分I～容編入仃火數(shù)圳阼進(jìn)仃愉索，川‘以I夠[【J、約打【=fJ或手f“17i冬≠復(fù)；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(xué)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