{"title":"一种提高光导天线辐射性能的理论","authors":"Di Li, Yi Huang","doi":"10.1109/IWAT.2007.370183","DOIUrl":null,"url":null,"abstract":"The photoconductive antenna is the most widely used device to generate and detect the terahertz (THz) wave but it has a limitation that the generated power is very low. There have been some investigations into how to increase the radiated THz power and it was found that to excite at a point is a practical method to improve the efficiency. In this paper, a theory is developed to support this idea. The analysis shows the reason why excitation at a point can generate higher THz power than the whole gap excitation of photoconductive antenna.","PeriodicalId":446281,"journal":{"name":"2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications","volume":"207 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A Theory of How to Improve the Radiation of the Photoconductive Antenna\",\"authors\":\"Di Li, Yi Huang\",\"doi\":\"10.1109/IWAT.2007.370183\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The photoconductive antenna is the most widely used device to generate and detect the terahertz (THz) wave but it has a limitation that the generated power is very low. There have been some investigations into how to increase the radiated THz power and it was found that to excite at a point is a practical method to improve the efficiency. In this paper, a theory is developed to support this idea. The analysis shows the reason why excitation at a point can generate higher THz power than the whole gap excitation of photoconductive antenna.\",\"PeriodicalId\":446281,\"journal\":{\"name\":\"2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications\",\"volume\":\"207 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-03-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IWAT.2007.370183\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2007.370183","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Theory of How to Improve the Radiation of the Photoconductive Antenna
The photoconductive antenna is the most widely used device to generate and detect the terahertz (THz) wave but it has a limitation that the generated power is very low. There have been some investigations into how to increase the radiated THz power and it was found that to excite at a point is a practical method to improve the efficiency. In this paper, a theory is developed to support this idea. The analysis shows the reason why excitation at a point can generate higher THz power than the whole gap excitation of photoconductive antenna.
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