{"title":"基于氧化铟锡的单层光学透明反射阵列","authors":"Jun-Jie Peng, S. Qu","doi":"10.1109/IEEE-IWS.2019.8804105","DOIUrl":null,"url":null,"abstract":"Indium tin oxide (ITO) material is a practicable alternative to metal utilized in transparent antennas. However, the conductor loss of ITO material is the major obstacle to antenna design. In this work, a transparent ITO reflectarray based on glass substrate with ITO film operating at 28GHz is proposed. A single layer sub-wavelength element with 0.31 wavelength spacing is proposed in this reflectarray design. The peak loss of the proposed element is lower than 4dB while achieving a phase variation of 288° at 28GHz. A 30×30 elements reflectarray with a focus to diameter ratio (f/D) of 1 is designed and simulated for demonstration. It achieves more than 84% optical transparency and 75% radiation efficiency at the center frequency.","PeriodicalId":306297,"journal":{"name":"2019 IEEE MTT-S International Wireless Symposium (IWS)","volume":"382 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Single Layer Optically Transparent Reflectarray Based on Indium Tin Oxide\",\"authors\":\"Jun-Jie Peng, S. Qu\",\"doi\":\"10.1109/IEEE-IWS.2019.8804105\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Indium tin oxide (ITO) material is a practicable alternative to metal utilized in transparent antennas. However, the conductor loss of ITO material is the major obstacle to antenna design. In this work, a transparent ITO reflectarray based on glass substrate with ITO film operating at 28GHz is proposed. A single layer sub-wavelength element with 0.31 wavelength spacing is proposed in this reflectarray design. The peak loss of the proposed element is lower than 4dB while achieving a phase variation of 288° at 28GHz. A 30×30 elements reflectarray with a focus to diameter ratio (f/D) of 1 is designed and simulated for demonstration. It achieves more than 84% optical transparency and 75% radiation efficiency at the center frequency.\",\"PeriodicalId\":306297,\"journal\":{\"name\":\"2019 IEEE MTT-S International Wireless Symposium (IWS)\",\"volume\":\"382 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2019 IEEE MTT-S International Wireless Symposium (IWS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IEEE-IWS.2019.8804105\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2019 IEEE MTT-S International Wireless Symposium (IWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEEE-IWS.2019.8804105","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Single Layer Optically Transparent Reflectarray Based on Indium Tin Oxide
Indium tin oxide (ITO) material is a practicable alternative to metal utilized in transparent antennas. However, the conductor loss of ITO material is the major obstacle to antenna design. In this work, a transparent ITO reflectarray based on glass substrate with ITO film operating at 28GHz is proposed. A single layer sub-wavelength element with 0.31 wavelength spacing is proposed in this reflectarray design. The peak loss of the proposed element is lower than 4dB while achieving a phase variation of 288° at 28GHz. A 30×30 elements reflectarray with a focus to diameter ratio (f/D) of 1 is designed and simulated for demonstration. It achieves more than 84% optical transparency and 75% radiation efficiency at the center frequency.
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