A Broadband Circular TE } Mode Converter Using Highly Deformed Circular Waveguide
A method for broadening the operating bandwidth of circular TE _{\text{01}} mode converter is proposed by using highly deformed circular waveguide (CW). The influence of deformation on the field patterns and the mode spectrum is investigated, and the maximum mode spectral gap between the TE _{\text...
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| Veröffentlicht in: | IEEE transactions on electron devices 2024-10, p.1-7 |
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| container_title | IEEE transactions on electron devices |
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| creator | Liu, Zhenwei Wu, Zewei Zhang, Ran Liu, Guo Wang, Jianxun Wang, Tieyang Song, Fangfang Fang, Shuanzhu Luo, Yong |
| description | A method for broadening the operating bandwidth of circular TE _{\text{01}} mode converter is proposed by using highly deformed circular waveguide (CW). The influence of deformation on the field patterns and the mode spectrum is investigated, and the maximum mode spectral gap between the TE _{\text{01}} mode and the undesired modes is deduced. According to the analysis, a K -band circular TE _{\text{01}} mode converter using highly deformed CW is designed, fabricated, and measured. The results show that conversion efficiency of a single mode converter higher than 89.1%, the reflection better than - 20 dB, and the mode purity exceeds 98.7% within a relative bandwidth of 40.35%. The angle-independent transmissions demonstrating high mode purity and the appearance of TE _{\text{01}} mode is confirmed by the near-field pattern measurement. The mode converter features broad bandwidth, high mode purity, and compactness, which can be applied to cold-test experiments of gyro-TWT components and the high-power transmission line devices. |
| doi_str_mv | 10.1109/TED.2024.3478195 |
| format | Article |
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The influence of deformation on the field patterns and the mode spectrum is investigated, and the maximum mode spectral gap between the TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode and the undesired modes is deduced. According to the analysis, a K -band circular TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode converter using highly deformed CW is designed, fabricated, and measured. The results show that conversion efficiency of a single mode converter higher than 89.1%, the reflection better than <inline-formula> <tex-math notation="LaTeX">-</tex-math> </inline-formula>20 dB, and the mode purity exceeds 98.7% within a relative bandwidth of 40.35%. The angle-independent transmissions demonstrating high mode purity and the appearance of TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode is confirmed by the near-field pattern measurement. The mode converter features broad bandwidth, high mode purity, and compactness, which can be applied to cold-test experiments of gyro-TWT components and the high-power transmission line devices.]]></description><identifier>ISSN: 0018-9383</identifier><identifier>DOI: 10.1109/TED.2024.3478195</identifier><identifier>CODEN: IETDAI</identifier><language>eng</language><publisher>IEEE</publisher><subject>Bandwidth ; Broadband ; Broadband communication ; circular TE<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{\text{01}}</tex-math> </inline-formula> mode ; Circular waveguides ; Couplings ; Deformation ; Electric fields ; gyro-TWTs ; highly deformed circular waveguide (CW) ; mode converter ; mode purity ; Perturbation methods ; Power dividers ; Propagation losses ; Testing</subject><ispartof>IEEE transactions on electron devices, 2024-10, p.1-7</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>liuguo.uestc@gmail.com ; jxunwang@uestc.edu.cn ; 805388728@qq.com ; wzw.198704@163.com ; fangshuanzhu@163.com</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10731567$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10731567$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Liu, Zhenwei</creatorcontrib><creatorcontrib>Wu, Zewei</creatorcontrib><creatorcontrib>Zhang, Ran</creatorcontrib><creatorcontrib>Liu, Guo</creatorcontrib><creatorcontrib>Wang, Jianxun</creatorcontrib><creatorcontrib>Wang, Tieyang</creatorcontrib><creatorcontrib>Song, Fangfang</creatorcontrib><creatorcontrib>Fang, Shuanzhu</creatorcontrib><creatorcontrib>Luo, Yong</creatorcontrib><title>A Broadband Circular TE } Mode Converter Using Highly Deformed Circular Waveguide</title><title>IEEE transactions on electron devices</title><addtitle>TED</addtitle><description><![CDATA[A method for broadening the operating bandwidth of circular TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode converter is proposed by using highly deformed circular waveguide (CW). The influence of deformation on the field patterns and the mode spectrum is investigated, and the maximum mode spectral gap between the TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode and the undesired modes is deduced. According to the analysis, a K -band circular TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode converter using highly deformed CW is designed, fabricated, and measured. The results show that conversion efficiency of a single mode converter higher than 89.1%, the reflection better than <inline-formula> <tex-math notation="LaTeX">-</tex-math> </inline-formula>20 dB, and the mode purity exceeds 98.7% within a relative bandwidth of 40.35%. The angle-independent transmissions demonstrating high mode purity and the appearance of TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode is confirmed by the near-field pattern measurement. The mode converter features broad bandwidth, high mode purity, and compactness, which can be applied to cold-test experiments of gyro-TWT components and the high-power transmission line devices.]]></description><subject>Bandwidth</subject><subject>Broadband</subject><subject>Broadband communication</subject><subject>circular TE<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{\text{01}}</tex-math> </inline-formula> mode</subject><subject>Circular waveguides</subject><subject>Couplings</subject><subject>Deformation</subject><subject>Electric fields</subject><subject>gyro-TWTs</subject><subject>highly deformed circular waveguide (CW)</subject><subject>mode converter</subject><subject>mode purity</subject><subject>Perturbation methods</subject><subject>Power dividers</subject><subject>Propagation losses</subject><subject>Testing</subject><issn>0018-9383</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFi7sOgjAUQDtoIj52B4f7A2BLeY4KGBcHE4wjqXLBGqCmCAmD_66Dg5vTycnJIWTJqMUYDddpEls2tR2LO37AQndEDEpZYIY84BMybdv7Rz3HsQ1y3MBWK5FfRJNDJPW1q4SGNIEXHFSOEKmmR_1EDadWNiXsZXmrBoixULrGn-Useiw7meOcjAtRtbj4ckZWuySN9qZExOyhZS30kDHqc-Z6Pv-T3wHUPSc</recordid><startdate>20241022</startdate><enddate>20241022</enddate><creator>Liu, Zhenwei</creator><creator>Wu, Zewei</creator><creator>Zhang, Ran</creator><creator>Liu, Guo</creator><creator>Wang, Jianxun</creator><creator>Wang, Tieyang</creator><creator>Song, Fangfang</creator><creator>Fang, Shuanzhu</creator><creator>Luo, Yong</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><orcidid>https://orcid.org/liuguo.uestc@gmail.com</orcidid><orcidid>https://orcid.org/jxunwang@uestc.edu.cn</orcidid><orcidid>https://orcid.org/805388728@qq.com</orcidid><orcidid>https://orcid.org/wzw.198704@163.com</orcidid><orcidid>https://orcid.org/fangshuanzhu@163.com</orcidid></search><sort><creationdate>20241022</creationdate><title>A Broadband Circular TE } Mode Converter Using Highly Deformed Circular Waveguide</title><author>Liu, Zhenwei ; Wu, Zewei ; Zhang, Ran ; Liu, Guo ; Wang, Jianxun ; Wang, Tieyang ; Song, Fangfang ; Fang, Shuanzhu ; Luo, Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-ieee_primary_107315673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Bandwidth</topic><topic>Broadband</topic><topic>Broadband communication</topic><topic>circular TE<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{\text{01}}</tex-math> </inline-formula> mode</topic><topic>Circular waveguides</topic><topic>Couplings</topic><topic>Deformation</topic><topic>Electric fields</topic><topic>gyro-TWTs</topic><topic>highly deformed circular waveguide (CW)</topic><topic>mode converter</topic><topic>mode purity</topic><topic>Perturbation methods</topic><topic>Power dividers</topic><topic>Propagation losses</topic><topic>Testing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Zhenwei</creatorcontrib><creatorcontrib>Wu, Zewei</creatorcontrib><creatorcontrib>Zhang, Ran</creatorcontrib><creatorcontrib>Liu, Guo</creatorcontrib><creatorcontrib>Wang, Jianxun</creatorcontrib><creatorcontrib>Wang, Tieyang</creatorcontrib><creatorcontrib>Song, Fangfang</creatorcontrib><creatorcontrib>Fang, Shuanzhu</creatorcontrib><creatorcontrib>Luo, Yong</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><jtitle>IEEE transactions on electron devices</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Liu, Zhenwei</au><au>Wu, Zewei</au><au>Zhang, Ran</au><au>Liu, Guo</au><au>Wang, Jianxun</au><au>Wang, Tieyang</au><au>Song, Fangfang</au><au>Fang, Shuanzhu</au><au>Luo, Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Broadband Circular TE } Mode Converter Using Highly Deformed Circular Waveguide</atitle><jtitle>IEEE transactions on electron devices</jtitle><stitle>TED</stitle><date>2024-10-22</date><risdate>2024</risdate><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>0018-9383</issn><coden>IETDAI</coden><abstract><![CDATA[A method for broadening the operating bandwidth of circular TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode converter is proposed by using highly deformed circular waveguide (CW). The influence of deformation on the field patterns and the mode spectrum is investigated, and the maximum mode spectral gap between the TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode and the undesired modes is deduced. According to the analysis, a K -band circular TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode converter using highly deformed CW is designed, fabricated, and measured. The results show that conversion efficiency of a single mode converter higher than 89.1%, the reflection better than <inline-formula> <tex-math notation="LaTeX">-</tex-math> </inline-formula>20 dB, and the mode purity exceeds 98.7% within a relative bandwidth of 40.35%. The angle-independent transmissions demonstrating high mode purity and the appearance of TE<inline-formula> <tex-math notation="LaTeX">_{\text{01}}</tex-math> </inline-formula> mode is confirmed by the near-field pattern measurement. The mode converter features broad bandwidth, high mode purity, and compactness, which can be applied to cold-test experiments of gyro-TWT components and the high-power transmission line devices.]]></abstract><pub>IEEE</pub><doi>10.1109/TED.2024.3478195</doi><orcidid>https://orcid.org/liuguo.uestc@gmail.com</orcidid><orcidid>https://orcid.org/jxunwang@uestc.edu.cn</orcidid><orcidid>https://orcid.org/805388728@qq.com</orcidid><orcidid>https://orcid.org/wzw.198704@163.com</orcidid><orcidid>https://orcid.org/fangshuanzhu@163.com</orcidid></addata></record> |
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| subjects | Bandwidth Broadband Broadband communication circular TE<inline-formula xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tex-math notation="LaTeX"> _{\text{01}}</tex-math> </inline-formula> mode Circular waveguides Couplings Deformation Electric fields gyro-TWTs highly deformed circular waveguide (CW) mode converter mode purity Perturbation methods Power dividers Propagation losses Testing |
| title | A Broadband Circular TE } Mode Converter Using Highly Deformed Circular Waveguide |
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