固體浸沒透鏡近場光場的邊界波和角譜分析方法.pdf

1、中國科學技術(shù)大學碩士學位論文固體浸沒透鏡近場光場的邊界波和角譜分析方法姓名：張曉世申請學位級別：碩士專業(yè)：光學指導(dǎo)教師：謝建平許立新2001.5.1AbstractHigh—densitynearfieldopticalstorageisakindofadvanceddatarecordingtechnologyItcanberealizedbytwoways：ScanNearfieldOpticalMicroscopyandSolid

2、ImmersionlensBythesepromisingways，super—resolutioninthenacrometerorsub—wavelengthregion，whichisbeyondtheclassicaldiffractionlimit，isachievedInthisarticle，wefocusontheanalysesofthenearfielddistributionbelowthesolidimmersi

3、onlensInrecentyears，somepeoplehavealreadyanalyzedthenearfielddistributionnearthefocusofahighNAobjectivebyusingvectordiffractiontheorywhichistootediousandunapplicabletopracticaluseBecauseofthese，basedonpreviousresearchofo

4、urlabwedevelopedboundarydiffractiontheoryandscalarangularspectrumtheoryandapplythemintotheanalysesofthenear—fielddistributionbelowthesolidimmersionlensBythesetheories，twoclearerfasterandmorepracticalwaysareachievedThisar

5、ticleiscomposedmainlyoftwoparts：1BoundarydiffractiontheoryissuccessfullyappliedintotheanalysesofnearfielddistributionbelowthesolidimmersionlensByusingthistheorywenumericallysimulatedthenearfielddistributionandmanymeaning

6、fulresultsareobtainedBycomparingthemwithMMansuipurandDGGlagello’S，ourresultsareapprovedrightFurthermore，weanalyzedthecharacteristicsofthefaculabelowSILWeobtained：thelongertheobservingdistance，thebiggerthesizeofthefacula；

7、Supposingpolarizationdirectionisalongxaxis，thefacularadiusalongXaxisislargerthanthatalongYaxis；thelargertheNAofobjectivelens，thesmallerthesizeoffaculaTheseresultsarehighlypracticalThemeritsofthiswayareitsphysicalclariwan

8、dconvenience2Bysuccessfullyvectorizedtheangularspectrumtheoryangularspectrumtheoryareappliedintotheanalysesofnear—fielddistributionbelowthesolidimmersionlensthesameandconsistentresultsasthosebyusingboundarydiffractionthe