高斯光束在孪晶界面上的反射与折射

《高斯光束在孪晶界面上的反射与折射》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、I：海人学硕．I：学位论文们的研究结果为孪晶光学器件的研制提供了有价值的参考。关键词：单轴介质，孪晶，负折射，负反射，全透射，全反射6卜海人学硕．Ij学位论文ABSTRACTForseveralyears，theresearchaboutthenegativerefractiveindexmediumhasbeenahot，attention—gettingforth—frontareaintheelectromagneticsocietyandmanyrelatedareas，anditstirsupmanypeople’Spassion．Peopleontheonehand

2、researchthenegativerefraction’Sprincipleanditsapplication，ontheotherhandlookforthemetamaterialthathasnegativerefractiveindexorhasnegativerefractioneffect．Such鹪：splitresonancering,transmissionline，photoniccrystals，soniccrystals．Forthesekindsofmaterials，thenegativerefractionoccursatmicrowave，i

3、nfraredandthespecialopticalspectrum．Atthewholerangeofvisiblelightandultravioletspectrum，bicrystalhasmanypotentialandrelevantapplications．WechosethebicystalwhichthesampleisrelativelyeasytomakeandthetheoryofuniaxialmediaWasintensiveresearched,astheresearchobjectandcarryoutsomeresearchworktheor

4、eticallyaboutitsrefractiveandreflectionperformancebasedonthealreadyexistedexperimentaland0111"primaryresearchresult．ThispaperfirstUSesconstant一∞contour(k-surface)toanalyzethenegativerefractionandthenegativereflectionphenomenononthebicrystalinterfaceabouttheextraordinarylightandthengiveoutthe

5、incidentwavevectorkastheconditionwhenthenegativerefractionandthenegativereflectionemerge．Thenwederivetheelectro—magneticdistributionwhentheGaussianbeamincidentsintothebierystalstructure，andtherefractionandtransmissioncoefficientsofextraordinarylightattheinterfaceofauniaxialbicrystalarederive

6、d．Accordingtodispersionrelations，the7j：海人学硕I：学位论文relationsbetweentheincidenceangle，thereflectionangleandtherefractionangleequationsCanbeobtainedrespectively．SotherelationsbetweenthereflectionangleandtherefractionanglevaryingwiththeincidenceangleCanbeshowed．Theuniquepropertyofamphotericrefrac

7、tion,negativerefraction,totaltransmissionandtotalreflectionareanalyzedandthecrystalparametersandtheincidenceangleconditionforthesepropertiesaleanalyzed．Atthesametimethetime-averagedpowerdensitydistributioninthestructurebyusingthenumericalanalysisme