{"title":"倒置布拉格反射器上纳米天线的近场强度增强","authors":"A. L. Torla, S. Khamas","doi":"10.1109/IWAT.2017.7915386","DOIUrl":null,"url":null,"abstract":"The Near-Field Intensity Enhancement (NFIE) of a Distributed Bragg Reflector has been calculated at the presence of a constructive interference at the surface of a Bragg reflector. The Bragg reflector has been constructed using SiO2/GaAs with respective refractive indices of n1=1.5 and n2=3.6. A reflectivity of 0.99986 has been simulated with an electric field enhancement approaching 2. The Bragg reflector is coupled with a Gold dipole nanoantenna to obtain a significant NFIE that is 14 times stronger than that of a Gold dipole nanoantenna above a pure silica (SiO2) surface. This significant increase is shown to be the result of the coupling effect between the Gold dipole and its mirror image.","PeriodicalId":289886,"journal":{"name":"2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Near-Field Intensity Enhancement of a nano-antenna above an inverted Bragg Reflector\",\"authors\":\"A. L. Torla, S. Khamas\",\"doi\":\"10.1109/IWAT.2017.7915386\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Near-Field Intensity Enhancement (NFIE) of a Distributed Bragg Reflector has been calculated at the presence of a constructive interference at the surface of a Bragg reflector. The Bragg reflector has been constructed using SiO2/GaAs with respective refractive indices of n1=1.5 and n2=3.6. A reflectivity of 0.99986 has been simulated with an electric field enhancement approaching 2. The Bragg reflector is coupled with a Gold dipole nanoantenna to obtain a significant NFIE that is 14 times stronger than that of a Gold dipole nanoantenna above a pure silica (SiO2) surface. This significant increase is shown to be the result of the coupling effect between the Gold dipole and its mirror image.\",\"PeriodicalId\":289886,\"journal\":{\"name\":\"2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT)\",\"volume\":\"42 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWAT.2017.7915386\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 International Workshop on Antenna Technology: Small Antennas, Innovative Structures, and Applications (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2017.7915386","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Near-Field Intensity Enhancement of a nano-antenna above an inverted Bragg Reflector
The Near-Field Intensity Enhancement (NFIE) of a Distributed Bragg Reflector has been calculated at the presence of a constructive interference at the surface of a Bragg reflector. The Bragg reflector has been constructed using SiO2/GaAs with respective refractive indices of n1=1.5 and n2=3.6. A reflectivity of 0.99986 has been simulated with an electric field enhancement approaching 2. The Bragg reflector is coupled with a Gold dipole nanoantenna to obtain a significant NFIE that is 14 times stronger than that of a Gold dipole nanoantenna above a pure silica (SiO2) surface. This significant increase is shown to be the result of the coupling effect between the Gold dipole and its mirror image.
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