Broadband coaxial cavity resonator for complex permittivity measurements of liquids
A novel cavity perturbation technique using coaxial cavity resonators for the measurement of complex permittivity of liquids is presented. The method employs two types of resonators (Resonator I and Resonator II). Resonator I operates in the frequency range 600 MHz-7 GHz and resonator II operates in...
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| Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2000-12, Vol.49 (6), p.1305-1312 |
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| container_title | IEEE transactions on instrumentation and measurement |
| container_volume | 49 |
| creator | Raveendranath, U. Bijukumar, S. Mathew, K.T. |
| description | A novel cavity perturbation technique using coaxial cavity resonators for the measurement of complex permittivity of liquids is presented. The method employs two types of resonators (Resonator I and Resonator II). Resonator I operates in the frequency range 600 MHz-7 GHz and resonator II operates in the frequency range 4 GHz-14 GHz. The introduction of the capillary tube filled with the sample liquid into the coaxial resonator causes shifts in the resonance frequency and loaded Q-factor of the resonator. The shifts in the resonance frequency and loaded Q-factor are used to determine the real and imaginary parts of the complex permittivity of the sample liquid, respectively. Using this technique, the dielectric parameters of water and nitrobenzene are measured. The results are compared with those obtained using other standard methods. The sources of errors are analyzed. |
| doi_str_mv | 10.1109/19.893275 |
| format | Article |
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The method employs two types of resonators (Resonator I and Resonator II). Resonator I operates in the frequency range 600 MHz-7 GHz and resonator II operates in the frequency range 4 GHz-14 GHz. The introduction of the capillary tube filled with the sample liquid into the coaxial resonator causes shifts in the resonance frequency and loaded Q-factor of the resonator. The shifts in the resonance frequency and loaded Q-factor are used to determine the real and imaginary parts of the complex permittivity of the sample liquid, respectively. Using this technique, the dielectric parameters of water and nitrobenzene are measured. The results are compared with those obtained using other standard methods. The sources of errors are analyzed.</description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/19.893275</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cavity resonators ; Coaxial components ; Dielectric measurements ; Error analysis ; Liquids ; Permittivity measurement ; Perturbation methods ; Q factor ; Resonance ; Resonant frequency</subject><ispartof>IEEE transactions on instrumentation and measurement, 2000-12, Vol.49 (6), p.1305-1312</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The method employs two types of resonators (Resonator I and Resonator II). Resonator I operates in the frequency range 600 MHz-7 GHz and resonator II operates in the frequency range 4 GHz-14 GHz. The introduction of the capillary tube filled with the sample liquid into the coaxial resonator causes shifts in the resonance frequency and loaded Q-factor of the resonator. The shifts in the resonance frequency and loaded Q-factor are used to determine the real and imaginary parts of the complex permittivity of the sample liquid, respectively. Using this technique, the dielectric parameters of water and nitrobenzene are measured. The results are compared with those obtained using other standard methods. The sources of errors are analyzed.</description><subject>Cavity resonators</subject><subject>Coaxial components</subject><subject>Dielectric measurements</subject><subject>Error analysis</subject><subject>Liquids</subject><subject>Permittivity measurement</subject><subject>Perturbation methods</subject><subject>Q factor</subject><subject>Resonance</subject><subject>Resonant frequency</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpd0L9LxDAUB_AgCp6ng6tTcRAceiZN0jSjHv6CAwd1DrnkBXK0TS9p5e6_t9rDweHxhu-Hx-OL0CXBC0KwvCNyUUlaCH6EZoRzkcuyLI7RDGNS5ZLx8hSdpbTBGIuSiRl6f4hB27VubWaC3nldZ0Z_-X6fRUih1X2ImRvHhKarYZd1EBvf9_6XNKDTEKGBtk9ZcFntt4O36RydOF0nuDjsOfp8evxYvuSrt-fX5f0qN5TKPpeYaUvsmrGKMkc1sYIXbi20LLQzVpvSOGqsBQPC4jEyBedOOFI6w0pa0Tm6me52MWwHSL1qfDJQ17qFMCRVVITiipIRXv-DmzDEdvxNVRUvKOOSj-h2QiaGlCI41UXf6LhXBKufbhWRaup2tFeT9QDw5w7hNy58dh0</recordid><startdate>20001201</startdate><enddate>20001201</enddate><creator>Raveendranath, U.</creator><creator>Bijukumar, S.</creator><creator>Mathew, K.T.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The method employs two types of resonators (Resonator I and Resonator II). Resonator I operates in the frequency range 600 MHz-7 GHz and resonator II operates in the frequency range 4 GHz-14 GHz. The introduction of the capillary tube filled with the sample liquid into the coaxial resonator causes shifts in the resonance frequency and loaded Q-factor of the resonator. The shifts in the resonance frequency and loaded Q-factor are used to determine the real and imaginary parts of the complex permittivity of the sample liquid, respectively. Using this technique, the dielectric parameters of water and nitrobenzene are measured. The results are compared with those obtained using other standard methods. The sources of errors are analyzed.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/19.893275</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Cavity resonators Coaxial components Dielectric measurements Error analysis Liquids Permittivity measurement Perturbation methods Q factor Resonance Resonant frequency |
| title | Broadband coaxial cavity resonator for complex permittivity measurements of liquids |
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