Design of Quasi-Optical Mode Converter for 170-GHz TE32,9-Mode High-Power Gyrotron
In this paper, a design of quasi-optical mode converter for 170-GHz TE 32,9 -mode high-power gyrotron is presented in detail. The quasi-optical mode converter consists of a launcher and a mirror system. A MATLAB code for analysis of the electromagnetic fields at the launcher wall and in mirror syste...
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| Veröffentlicht in: | IEEE transactions on plasma science 2019-05, Vol.47 (5), p.2582-2589 |
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| container_title | IEEE transactions on plasma science |
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| creator | Zhao, Guohui Xue, Qianzhong Wang, Yong Wang, Xuewei Zhang, Shan Liu, Gaofeng Feng, Jinjun Zhang, Lianzheng |
| description | In this paper, a design of quasi-optical mode converter for 170-GHz TE 32,9 -mode high-power gyrotron is presented in detail. The quasi-optical mode converter consists of a launcher and a mirror system. A MATLAB code for analysis of the electromagnetic fields at the launcher wall and in mirror systems has been developed. The numerically optimized launcher can generate a Gaussian-like mode with a scalar correlation coefficient of 99.6% and a vector correlation coefficient of 99.1% at the launcher aperture. The radiation fields of the launcher are analyzed in the free space. The mirror system consists of four analytic surface mirrors and a phase-correction mirror. After the phase correction, the scalar Gaussian mode content and vector Gaussian mode content on the output window are 99.1% and 97.1%, respectively. The performance of the mirrors is calculated and analyzed. The power transmission efficiency of each mirror is above 99.8%, and the efficiency of the quasi-optical mode converter is 96.77%. |
| doi_str_mv | 10.1109/TPS.2019.2908503 |
| format | Article |
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The quasi-optical mode converter consists of a launcher and a mirror system. A MATLAB code for analysis of the electromagnetic fields at the launcher wall and in mirror systems has been developed. The numerically optimized launcher can generate a Gaussian-like mode with a scalar correlation coefficient of 99.6% and a vector correlation coefficient of 99.1% at the launcher aperture. The radiation fields of the launcher are analyzed in the free space. The mirror system consists of four analytic surface mirrors and a phase-correction mirror. After the phase correction, the scalar Gaussian mode content and vector Gaussian mode content on the output window are 99.1% and 97.1%, respectively. The performance of the mirrors is calculated and analyzed. The power transmission efficiency of each mirror is above 99.8%, and the efficiency of the quasi-optical mode converter is 96.77%.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/TPS.2019.2908503</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Apertures ; Converters ; Correlation ; Correlation coefficient ; Correlation coefficients ; Electromagnetic fields ; Electromagnetic waveguides ; Energy conversion efficiency ; Gyrotrons ; launcher ; Manganese ; mirror system ; Mirrors ; Perturbation methods ; quasi-optical mode converter ; Radiation ; Transmission efficiency</subject><ispartof>IEEE transactions on plasma science, 2019-05, Vol.47 (5), p.2582-2589</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8689076$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8689076$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Zhao, Guohui</creatorcontrib><creatorcontrib>Xue, Qianzhong</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Wang, Xuewei</creatorcontrib><creatorcontrib>Zhang, Shan</creatorcontrib><creatorcontrib>Liu, Gaofeng</creatorcontrib><creatorcontrib>Feng, Jinjun</creatorcontrib><creatorcontrib>Zhang, Lianzheng</creatorcontrib><title>Design of Quasi-Optical Mode Converter for 170-GHz TE32,9-Mode High-Power Gyrotron</title><title>IEEE transactions on plasma science</title><addtitle>TPS</addtitle><description>In this paper, a design of quasi-optical mode converter for 170-GHz TE 32,9 -mode high-power gyrotron is presented in detail. The quasi-optical mode converter consists of a launcher and a mirror system. A MATLAB code for analysis of the electromagnetic fields at the launcher wall and in mirror systems has been developed. The numerically optimized launcher can generate a Gaussian-like mode with a scalar correlation coefficient of 99.6% and a vector correlation coefficient of 99.1% at the launcher aperture. The radiation fields of the launcher are analyzed in the free space. The mirror system consists of four analytic surface mirrors and a phase-correction mirror. After the phase correction, the scalar Gaussian mode content and vector Gaussian mode content on the output window are 99.1% and 97.1%, respectively. The performance of the mirrors is calculated and analyzed. The power transmission efficiency of each mirror is above 99.8%, and the efficiency of the quasi-optical mode converter is 96.77%.</description><subject>Apertures</subject><subject>Converters</subject><subject>Correlation</subject><subject>Correlation coefficient</subject><subject>Correlation coefficients</subject><subject>Electromagnetic fields</subject><subject>Electromagnetic waveguides</subject><subject>Energy conversion efficiency</subject><subject>Gyrotrons</subject><subject>launcher</subject><subject>Manganese</subject><subject>mirror system</subject><subject>Mirrors</subject><subject>Perturbation methods</subject><subject>quasi-optical mode converter</subject><subject>Radiation</subject><subject>Transmission efficiency</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNotj0FPAjEUhBujiYjeTbxs4tXie63d9h0NIphgQMXzpiwtluAWu4sGf72rOJc5zJeZDGPnCD1EoOvZ9KUnAKknCIwCecA6SJI4Sa0OWQeAJJcG5TE7qesVAN4oEB32fOfqsKyy6LOnra0Dn2yaUNp19hgXLuvH6tOlxqXMx5ShBj4cfWezgRRXxP-IUVi-8Wn8apHhLsUmxeqUHXm7rt3Zv3fZ6_1g1h_x8WT40L8d84BoGo5zQuHJUO5yjfPSgrfoNSkr2kR57YwSyi5IWylzIE2l0iUJQihzX0rZZZf73k2KH1tXN8UqblPVThbiV-1HAy11saeCc67YpPBu064wuSHQufwBPnxXcQ</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Zhao, Guohui</creator><creator>Xue, Qianzhong</creator><creator>Wang, Yong</creator><creator>Wang, Xuewei</creator><creator>Zhang, Shan</creator><creator>Liu, Gaofeng</creator><creator>Feng, Jinjun</creator><creator>Zhang, Lianzheng</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The quasi-optical mode converter consists of a launcher and a mirror system. A MATLAB code for analysis of the electromagnetic fields at the launcher wall and in mirror systems has been developed. The numerically optimized launcher can generate a Gaussian-like mode with a scalar correlation coefficient of 99.6% and a vector correlation coefficient of 99.1% at the launcher aperture. The radiation fields of the launcher are analyzed in the free space. The mirror system consists of four analytic surface mirrors and a phase-correction mirror. After the phase correction, the scalar Gaussian mode content and vector Gaussian mode content on the output window are 99.1% and 97.1%, respectively. The performance of the mirrors is calculated and analyzed. The power transmission efficiency of each mirror is above 99.8%, and the efficiency of the quasi-optical mode converter is 96.77%.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPS.2019.2908503</doi><tpages>8</tpages></addata></record> |
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| subjects | Apertures Converters Correlation Correlation coefficient Correlation coefficients Electromagnetic fields Electromagnetic waveguides Energy conversion efficiency Gyrotrons launcher Manganese mirror system Mirrors Perturbation methods quasi-optical mode converter Radiation Transmission efficiency |
| title | Design of Quasi-Optical Mode Converter for 170-GHz TE32,9-Mode High-Power Gyrotron |
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