A Compact Two-Frequency Notch Filter for Millimeter Wave Plasma Diagnostics
Sensitive millimeter wave diagnostics in magnetic confinement plasma fusion experiments need protection from gyrotron stray radiation in the plasma vessel. Modern electron cyclotron resonance heating (ECRH) systems take advantage of multi-frequency gyrotrons. This means that the frequency band of so...
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| Veröffentlicht in: | Journal of infrared, millimeter and terahertz waves millimeter and terahertz waves, 2020-07, Vol.41 (7), p.741-749 |
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| container_issue | 7 |
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| container_title | Journal of infrared, millimeter and terahertz waves |
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| creator | Wagner, D. Kasparek, W. Leuterer, F. Monaco, F. Ruess, T. Stober, J. Thumm, M. |
| description | Sensitive millimeter wave diagnostics in magnetic confinement plasma fusion experiments need protection from gyrotron stray radiation in the plasma vessel. Modern electron cyclotron resonance heating (ECRH) systems take advantage of multi-frequency gyrotrons. This means that the frequency band of some millimeter wave diagnostics contains more than one narrow-band gyrotron-frequency line, which needs to be effectively suppressed. A compact standard waveguide notch filter based on coupled waveguide resonators with rectangular cross-section is presented which can provide very high suppression of several gyrotron frequencies and has low insertion loss of the passband. |
| doi_str_mv | 10.1007/s10762-020-00701-6 |
| format | Article |
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Modern electron cyclotron resonance heating (ECRH) systems take advantage of multi-frequency gyrotrons. This means that the frequency band of some millimeter wave diagnostics contains more than one narrow-band gyrotron-frequency line, which needs to be effectively suppressed. A compact standard waveguide notch filter based on coupled waveguide resonators with rectangular cross-section is presented which can provide very high suppression of several gyrotron frequencies and has low insertion loss of the passband.</description><identifier>ISSN: 1866-6892</identifier><identifier>EISSN: 1866-6906</identifier><identifier>DOI: 10.1007/s10762-020-00701-6</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Classical Electrodynamics ; Cyclotron resonance ; Cyclotron resonance devices ; Electrical Engineering ; Electron cyclotron resonance ; Electronics and Microelectronics ; Engineering ; Frequencies ; Insertion loss ; Instrumentation ; Millimeter waves ; Notch filters ; Plasma diagnostics ; Waveguides</subject><ispartof>Journal of infrared, millimeter and terahertz waves, 2020-07, Vol.41 (7), p.741-749</ispartof><rights>The Author(s) 2020</rights><rights>The Author(s) 2020. 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A compact standard waveguide notch filter based on coupled waveguide resonators with rectangular cross-section is presented which can provide very high suppression of several gyrotron frequencies and has low insertion loss of the passband.</description><subject>Classical Electrodynamics</subject><subject>Cyclotron resonance</subject><subject>Cyclotron resonance devices</subject><subject>Electrical Engineering</subject><subject>Electron cyclotron resonance</subject><subject>Electronics and Microelectronics</subject><subject>Engineering</subject><subject>Frequencies</subject><subject>Insertion loss</subject><subject>Instrumentation</subject><subject>Millimeter waves</subject><subject>Notch filters</subject><subject>Plasma diagnostics</subject><subject>Waveguides</subject><issn>1866-6892</issn><issn>1866-6906</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kM1OwzAQhC0EEqXwApwscTbYjruxj1WhBVF-DkUcLddxSqokLnYK6tvjEhA3TrsrzczufgidM3rJKM2vIqM5cEI5JWmkjMABGjAJQEBROPztpeLH6CTGNaUghIIBuh_jiW82xnZ48enJNLj3rWvtDj_6zr7haVV3LuDSB_xQ1XXVuP34aj4cfq5NbAy-rsyq9bGrbDxFR6Wpozv7qUP0Mr1ZTG7J_Gl2NxnPic0g64i0LOfUFba0dMS4GBnhwFFbSGaUcpnIiiVfUllIa6XKGQijQNqlNZBzBzIboos-dxN8ujZ2eu23oU0rNRdciTy9LJKK9yobfIzBlXoTqsaEnWZU76HpHppO0PQ3NA3JlPWmmMTtyoW_6H9cX8mJbog</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Wagner, D.</creator><creator>Kasparek, W.</creator><creator>Leuterer, F.</creator><creator>Monaco, F.</creator><creator>Ruess, T.</creator><creator>Stober, J.</creator><creator>Thumm, M.</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0001-8403-6155</orcidid></search><sort><creationdate>20200701</creationdate><title>A Compact Two-Frequency Notch Filter for Millimeter Wave Plasma Diagnostics</title><author>Wagner, D. ; 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| issn | 1866-6892 1866-6906 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Classical Electrodynamics Cyclotron resonance Cyclotron resonance devices Electrical Engineering Electron cyclotron resonance Electronics and Microelectronics Engineering Frequencies Insertion loss Instrumentation Millimeter waves Notch filters Plasma diagnostics Waveguides |
| title | A Compact Two-Frequency Notch Filter for Millimeter Wave Plasma Diagnostics |
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