{"title":"基于1位液晶移相器的太赫兹发射阵列设计与分析","authors":"Xiangxiang Li, Zhe Li, Cong Wan, Shiqiqan Song","doi":"10.1109/APCAP50217.2020.9246116","DOIUrl":null,"url":null,"abstract":"This paper presents a 1-bit terahertz liquid crystal (LC) beam-steering antenna. It consists of a feed horn antenna and a flat rectangular transmitarray with 20×20 LC phase shifter unit cells. The unit cell could achieve phase difference within 180°±20° from 329 to 366.4GHz using double-layer of LC when the permittivity of the LC varies between 2.37 (state 0) and 3.29 (state 1). The full wave simulation results indicate that it can realize beam scanning over ±40° at 340GHz. The gain of the transmitarray is more than 21.4dBi.","PeriodicalId":146561,"journal":{"name":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Design and Analysis of Terahertz Transmitarray Using 1-bit Liquid Crystal Phase Shifter\",\"authors\":\"Xiangxiang Li, Zhe Li, Cong Wan, Shiqiqan Song\",\"doi\":\"10.1109/APCAP50217.2020.9246116\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper presents a 1-bit terahertz liquid crystal (LC) beam-steering antenna. It consists of a feed horn antenna and a flat rectangular transmitarray with 20×20 LC phase shifter unit cells. The unit cell could achieve phase difference within 180°±20° from 329 to 366.4GHz using double-layer of LC when the permittivity of the LC varies between 2.37 (state 0) and 3.29 (state 1). The full wave simulation results indicate that it can realize beam scanning over ±40° at 340GHz. The gain of the transmitarray is more than 21.4dBi.\",\"PeriodicalId\":146561,\"journal\":{\"name\":\"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-08-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APCAP50217.2020.9246116\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCAP50217.2020.9246116","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design and Analysis of Terahertz Transmitarray Using 1-bit Liquid Crystal Phase Shifter
This paper presents a 1-bit terahertz liquid crystal (LC) beam-steering antenna. It consists of a feed horn antenna and a flat rectangular transmitarray with 20×20 LC phase shifter unit cells. The unit cell could achieve phase difference within 180°±20° from 329 to 366.4GHz using double-layer of LC when the permittivity of the LC varies between 2.37 (state 0) and 3.29 (state 1). The full wave simulation results indicate that it can realize beam scanning over ±40° at 340GHz. The gain of the transmitarray is more than 21.4dBi.
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