1、南昌大學(xué)碩士學(xué)位論文激光等離子體中強(qiáng)朗繆爾激元對粒子的加速姓名：路飛飛申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：劉三秋20081216ABSTRACTWiththecontinuingdevelopmentofhilghintensityshortpulselasertechnologypeopleplaygreatinterestedinparticlesaccelerationinlaserplasmainteractionOneoft

2、heresultsoftheinteractiontheelectronaccelerationinthelaserplasmaisimportantforitsapplicationssuchascompactparticleacceleratorsandfastignitionforinertialconfinementfusionInadditionstudyoftheionaccelerationisalsoimportanta

3、sitcansupplyvaluableinformationofthefundamentalphysicsoftheinteractionofahighintensitylaserwithunderdenseplasmasuchasselffocusingandchannelingduetelativisticandchargedisplacementeffects，itisalsodirectlyrelatedtotheobserv

4、ationsofanomalouslyhighyieldsofneutronsresultingfromhotchannelformationSeveralmechanismsofelectronaccelerationhavebeensuggestedSOfarThoseare“l(fā)aserwakefieldaccelerationbeatwaveaccelerationinversebremsstrahlungelectronacce

5、lerationinverseCherenkovaccelerationandSOonAccelerationmechanismsforioriare：theionaccelerationbyanelectrostaticelectricfieldcreatedbyfastelectronsattherearandfrontsidesofthetarget；theinductiveelectricfieldandCoulombionex

6、plosioninducedbyasuperstronglaser℃pulse；andionaccderationintheelectrostatic丘eldofalaminarshockwaveandin也eelectric丘eldcreatedbythereturncurrentinthetargetAllthesemechanismscannotprovideallapproachtotheexplanationoftheexpo

7、nentialelectronorionenergyspectrameasuredexperimentallynepropagationoflaserinplasmamaydrivekindsofinstabilityofplasmaandproduceLangmuirwaveandionacousticwaveOntheonehand，therealefrequentinteractionsbetweenwavesandparticl

8、es；ontheotherhandtherearewidelyenergyexchangesbetweenwave熔，whichcomposeaverycompleximageofinteractionsTheresuRoftheseinteractionsisperformedasscatteroflaserandproductionofenergeticelectronsandionsInthispaperWestudyanalyt