{"title":"INVESTIGATION OF LOCALIZED ELECTROMAGNETIC FIELD IN A SUBWAVELENGTH METALLIC SLIT","authors":"Shant Arakelyan","doi":"10.46991/pysu:a/2017.51.3.269","DOIUrl":null,"url":null,"abstract":"Electromagnetic field localization in a subwavelength metallic slit by a thermo-elastic optical indicator microscope (TEOIM) was investigated. As an indicator for the TEOIM system a slide glass with sizes of $20\\times 20\\times0.5~(mm)$ was used, on the surface of which an $\\mathrm{Al}$ film of $20~nm$ thickness was vaporized using the vacuum evaporation technique, with various slit width $(10-50~\\mu m).$ Strongly localized electromagnetic field has been exited in the slits by $50~ GHz$ generator and was visualized by a TEOIM. The waveguide properties of the system were characterized by COMSOL Multiphysics$^{\\circledR}$ additionally. The simulation results are in good agreement with the visualization data set.","PeriodicalId":21146,"journal":{"name":"Proceedings of the YSU A: Physical and Mathematical Sciences","volume":"37 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2017-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the YSU A: Physical and Mathematical Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.46991/pysu:a/2017.51.3.269","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Electromagnetic field localization in a subwavelength metallic slit by a thermo-elastic optical indicator microscope (TEOIM) was investigated. As an indicator for the TEOIM system a slide glass with sizes of $20\times 20\times0.5~(mm)$ was used, on the surface of which an $\mathrm{Al}$ film of $20~nm$ thickness was vaporized using the vacuum evaporation technique, with various slit width $(10-50~\mu m).$ Strongly localized electromagnetic field has been exited in the slits by $50~ GHz$ generator and was visualized by a TEOIM. The waveguide properties of the system were characterized by COMSOL Multiphysics$^{\circledR}$ additionally. The simulation results are in good agreement with the visualization data set.
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