后向散射Mueller矩陣數(shù)值模擬及實(shí)驗(yàn)方法在散射介質(zhì)光學(xué)特性識(shí)別中的應(yīng)用.pdf

1、Y’68784學(xué)校編號(hào)：!鰹2壘學(xué)號(hào)：—2002—271圖書(shū)分類(lèi)號(hào)：04_23福建師范大學(xué)碩士學(xué)位論文后向散射Mueller矩陣數(shù)值模擬及實(shí)驗(yàn)方法在散射介質(zhì)光學(xué)特性識(shí)別中的應(yīng)用SimulationandExperimentalMethodsofBackscatteredMuellerMatrixforDiscriminationofOpticalPropertyinTurbidMedia學(xué)科專(zhuān)業(yè)：研究方向：指導(dǎo)教師：申請(qǐng)學(xué)位級(jí)別：徐蘭青

2、塞堂生塹匡堂堂堂奎豎塾蕉遂撾盎熬攮墨堂塑論文提交日期；論文評(píng)閱人：論文答辯日期：答辯委員會(huì)主席：學(xué)位授予單位：學(xué)位授予日期：二oo五年五月星QQ晝生曼目握蕉趣煎太堂星魚(yú)Q曼璽墾旦ABSTRACTPolarmedpropertyofturbidmediacanbewelldescribedbyMueUermatrixInthisthesisthepropagationofpolarizedlightinturbidmediawasdisc

3、ussedusingStokesMuellerformalism，MiescatteringtheoryandMonteCarlo(MC)methodApplicationofbackscatteredMuellermatrixinpropertydiscriminationwareinvestigatedfirstbyMCsimulationandlatervalidatedbycorrespondingexperimentsMies

4、catteringtheorywasappliedtoacquirepolarizedscatteringmodel，StokesMuellerformalismwaschosetodescribepropagationcharacterofpolarizedlightThesetwotheorieswereimbeddedinstandardWangJacquesMCmodelandacalculationalgorithmwaspr

5、esentedtosimulatethepolarizedlightpropagationinturbidmediaRelationshipbetweenbackscatteredMuellermatrixandscatteringabsorption，layeredstructure，chiralenvironmentandhiddenobjectwerediscussedindetail，resulBshowedthateachpa

6、rameterhasindividualeffectsScatteringproduceaspatialredistributionoflight，whileabsorptiononlycauseauniformdecreaseinintensityThemajorcontributiontobackscaReredMueUermatrixconlesfromballisticandquasi—ballisticphotonsScatt

7、eringandabsorptionwereanalyzedatfirstAsscatteringenhancesthemajorityofthesephotonsexitfromaroundthecentre，resultinimageinteusityincreasearoundthecentreanddecreaseintheedgeForabsorptions仃engthenonlyinteusityweakeningWaSob

8、servedBothcartbeeasilydifferentiatedbyMuellermtrixdistributionpaaemsAtwolayermodelwasalsocalculatedMuellermatrixrepresentdisparatealterantruleforupperandlowerlayerwhichsuggestpossibilitiesfordiscriminatingsubtleepidermal

9、structureFurthermore，ahiddenobjectwithdifferentreflectionregionwasstudiedanddopdistributiongavecleardistinctnessbetweenregionsFinallytheinteractionofpolarizedlightandglnoosedissolvedchiralmediawerediscussed，Muellermatrix

10、presenthigheropticalrotationasglucoseaugmentedBasedontheaboveinvestigation，twovalidateexperimentswerecarriedoutBackscatteredMuellermatrixofintralit)idtissuephantomwasmeasuredanddifierentconcentrationgavedifferentpatterns

11、DopofbackscatteredlightfromthreehiddenobcotsintheintralipidphantomwerealSOcalculatedandcontrastsareclearBethexperimentalresultsshowedgoodagreementwithsimulationconclusionsKeywords：turbidmedia，polarizedlight，backscatterMu