{"title":"走向用于核磁共振成像的金属介质内窥镜","authors":"Xavier Radu , Didier Garray , Christophe Craeye","doi":"10.1016/j.metmat.2009.07.005","DOIUrl":null,"url":null,"abstract":"<div><p><span>This paper shows, numerically and experimentally, that imaging is realizable with a strongly curved wire medium. In a first part, simulation results obtained for various curvatures are presented and sub-wavelength imaging on a wide bandwidth is demonstrated. It is also shown that the collimation phenomenon remains very effective for structures having a cross-section corresponding to about a hundredth of the wavelength. In a second part, experimental results are shown for transmission of a medical image through a </span><span><math><mn>63</mn><mo>°</mo></math></span> curved wire medium in which the receiving antenna has been inserted.</p></div>","PeriodicalId":100920,"journal":{"name":"Metamaterials","volume":"3 2","pages":"Pages 90-99"},"PeriodicalIF":0.0000,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.metmat.2009.07.005","citationCount":"87","resultStr":"{\"title\":\"Toward a wire medium endoscope for MRI imaging\",\"authors\":\"Xavier Radu , Didier Garray , Christophe Craeye\",\"doi\":\"10.1016/j.metmat.2009.07.005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p><span>This paper shows, numerically and experimentally, that imaging is realizable with a strongly curved wire medium. In a first part, simulation results obtained for various curvatures are presented and sub-wavelength imaging on a wide bandwidth is demonstrated. It is also shown that the collimation phenomenon remains very effective for structures having a cross-section corresponding to about a hundredth of the wavelength. In a second part, experimental results are shown for transmission of a medical image through a </span><span><math><mn>63</mn><mo>°</mo></math></span> curved wire medium in which the receiving antenna has been inserted.</p></div>\",\"PeriodicalId\":100920,\"journal\":{\"name\":\"Metamaterials\",\"volume\":\"3 2\",\"pages\":\"Pages 90-99\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.metmat.2009.07.005\",\"citationCount\":\"87\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metamaterials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S187319880900022X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metamaterials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S187319880900022X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper shows, numerically and experimentally, that imaging is realizable with a strongly curved wire medium. In a first part, simulation results obtained for various curvatures are presented and sub-wavelength imaging on a wide bandwidth is demonstrated. It is also shown that the collimation phenomenon remains very effective for structures having a cross-section corresponding to about a hundredth of the wavelength. In a second part, experimental results are shown for transmission of a medical image through a curved wire medium in which the receiving antenna has been inserted.
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