{"title":"基于多孔几何结构的三维打印双频微波吸收器","authors":"Bhukya Shiridinath, Saptarshi Ghosh","doi":"10.1109/IMaRC49196.2021.9714528","DOIUrl":null,"url":null,"abstract":"In this paper, a three dimensional (3-D) printed dual-band microwave absorber is presented. The proposed geometry is designed on a perforated dielectric substrate to reduce the overall volume as well as weight of the device. Lowcost Polylactic acid (PLA) material is used in 3-D printing technology to realize the perforated structure, on top of which a conductive ink is deposited in annular ring patterns. The proposed structure exhibits two discrete absorption peaks at 6.86 GHz and 11.26 GHz with corresponding absorptivities of 98.42% and 99.92%. In addition, the topology is angularly stable as well as polarization-insensitive. Parametric variations and surface current distributions are also studied to investigate the operating principle of the proposed 3-D printed absorber.","PeriodicalId":226787,"journal":{"name":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"3-D Printed Dual-Band Microwave Absorber based on Perforated Geometry\",\"authors\":\"Bhukya Shiridinath, Saptarshi Ghosh\",\"doi\":\"10.1109/IMaRC49196.2021.9714528\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a three dimensional (3-D) printed dual-band microwave absorber is presented. The proposed geometry is designed on a perforated dielectric substrate to reduce the overall volume as well as weight of the device. Lowcost Polylactic acid (PLA) material is used in 3-D printing technology to realize the perforated structure, on top of which a conductive ink is deposited in annular ring patterns. The proposed structure exhibits two discrete absorption peaks at 6.86 GHz and 11.26 GHz with corresponding absorptivities of 98.42% and 99.92%. In addition, the topology is angularly stable as well as polarization-insensitive. Parametric variations and surface current distributions are also studied to investigate the operating principle of the proposed 3-D printed absorber.\",\"PeriodicalId\":226787,\"journal\":{\"name\":\"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-12-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IMaRC49196.2021.9714528\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE MTT-S International Microwave and RF Conference (IMARC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IMaRC49196.2021.9714528","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
3-D Printed Dual-Band Microwave Absorber based on Perforated Geometry
In this paper, a three dimensional (3-D) printed dual-band microwave absorber is presented. The proposed geometry is designed on a perforated dielectric substrate to reduce the overall volume as well as weight of the device. Lowcost Polylactic acid (PLA) material is used in 3-D printing technology to realize the perforated structure, on top of which a conductive ink is deposited in annular ring patterns. The proposed structure exhibits two discrete absorption peaks at 6.86 GHz and 11.26 GHz with corresponding absorptivities of 98.42% and 99.92%. In addition, the topology is angularly stable as well as polarization-insensitive. Parametric variations and surface current distributions are also studied to investigate the operating principle of the proposed 3-D printed absorber.
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