氣體放電單重氧發(fā)生器的理論與實驗研究.pdf

1、華中科技大學(xué)博士學(xué)位論文氣體放電單重氧發(fā)生器的理論與實驗研究姓名：張學(xué)玲申請學(xué)位級別：博士專業(yè)：物理電子學(xué)指導(dǎo)教師：王新兵20100508IIAbstractRecentlyChemicalOxygenIodineLaser(COIL)hasraisedmuchmeattentionbecauseofitsshtwavelengthhighefficiencygoodperfmanceinfibertransmission.COILis

2、obtainedbythenearresonantenergytransferbetweensingletdeltaoxygenO2(1Δ)atomiciodinethegenerationofO2(1Δ)isoneoftheimptantparts.TraditionallyO2(1Δ)isproducedbyatypicalchemicalgasliquidreactionsystemwhilerecentefftshavebeen

3、putonthenewkindsofsingletdeltaoxygengeneratswhichareallgasphaseelectricaldisgeditisthegasdisgedsingletdeltaoxygengenerat.Inthisthesisboththeeticalexpermentalstudiesofgasdisgedsingletdeltaoxygengenerathavebeencarrieddetai

4、lsareasfollows:(1)ThetheeticalstudyofRFdisgedoxygenplasmainslabstructurehasbeencarriedout.Accdingtothecontinuityequationofelectrondensitytheelectronenergyequilibriumequationthecontinuityequationofcurrentdensitythespatial

5、distributionsofelectrondensity，electricfield，electronmeanenergyexcitationefficiencyofsingletdeltaoxygenareobtained.Theeffectsofcurrentdensityexcitationfrequencygaspressureondisgeacteristicshavebeenanalyzed.Wealsousedanot

6、hermodeltocalculatethespatialdistributionsofelectronpositiveionelectronenergywhichallchangewithRFperiod.(2)TheelectronmeanenergyintheRFdisgedoxygenplasmawerestudiedtheeticallyexperimentally.TheelectronmeanenergyinO2itsmi

7、xtureswasobtainedbysolvingBoltzmannequationtheeffectsofgasmixturehavebeenstudied.theexperimentsoftheLangmuirprobesystemspectralanalysisonelectronmeanenergywerecarriedout.(3)TheexperimentsofRFdisgedsingletdeltaoxygengener

8、atinslabstructurehavebeendone.TheO2(1Δ)’sspectralineat1268nmhasbeenobservedthefeasibilityofthisgeneratwasproved.AsO2(1Σ)atomicoxygenhavegreatinfluenceontheyieldofO2(1Δ)thevisiblespectrumofO2(1Σ)Ohavealsobeenmeasuredinpur