Micromachined low-finesse Fabry-Perot interferometer for the measurement of DC and AC electrical currents
A micromachined low finesse Fabry-Perot interferometer for measuring DC and AC electrical current is presented. Interrogation of the microcavity is achieved by a dual-wavelength fiber Bragg grating technique working in quadrature. A linear relation between the DC electrical current and the optical p...
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| Veröffentlicht in: | IEEE sensors journal 2003-02, Vol.3 (1), p.13-18 |
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| creator | Heredero, R.L. Santos, J.L. Ferndndez de Caleya, R. Guerrero, H. |
| description | A micromachined low finesse Fabry-Perot interferometer for measuring DC and AC electrical current is presented. Interrogation of the microcavity is achieved by a dual-wavelength fiber Bragg grating technique working in quadrature. A linear relation between the DC electrical current and the optical phase defined by the microcavity was detected. Large enhancement of the sensitivity of the microcavities is presented with the use of a planar coil instead of a power line. The sensitivity of the sensor with the planar coil configuration is 7.9 rad/A and resolution of /spl sim/0.18 mA//spl radic/Hz is achieved when the distance between the planar coil and the transducer head is 2 mm. The response of the sensor for AC measurements is 0.14 V/A with a resolution of 6 mA//spl radic/Hz when the distance between the power line and the transducer head is 5.5 cm. |
| doi_str_mv | 10.1109/JSEN.2003.810112 |
| format | Article |
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Interrogation of the microcavity is achieved by a dual-wavelength fiber Bragg grating technique working in quadrature. A linear relation between the DC electrical current and the optical phase defined by the microcavity was detected. Large enhancement of the sensitivity of the microcavities is presented with the use of a planar coil instead of a power line. The sensitivity of the sensor with the planar coil configuration is 7.9 rad/A and resolution of /spl sim/0.18 mA//spl radic/Hz is achieved when the distance between the planar coil and the transducer head is 2 mm. 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(IEEE) 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-b0c6a1ec3aeb9981e7375bc4758fc9291164f836dafa86671010719304ef0b243</citedby><cites>FETCH-LOGICAL-c382t-b0c6a1ec3aeb9981e7375bc4758fc9291164f836dafa86671010719304ef0b243</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1194389$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1194389$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Heredero, R.L.</creatorcontrib><creatorcontrib>Santos, J.L.</creatorcontrib><creatorcontrib>Ferndndez de Caleya, R.</creatorcontrib><creatorcontrib>Guerrero, H.</creatorcontrib><title>Micromachined low-finesse Fabry-Perot interferometer for the measurement of DC and AC electrical currents</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description>A micromachined low finesse Fabry-Perot interferometer for measuring DC and AC electrical current is presented. Interrogation of the microcavity is achieved by a dual-wavelength fiber Bragg grating technique working in quadrature. A linear relation between the DC electrical current and the optical phase defined by the microcavity was detected. Large enhancement of the sensitivity of the microcavities is presented with the use of a planar coil instead of a power line. The sensitivity of the sensor with the planar coil configuration is 7.9 rad/A and resolution of /spl sim/0.18 mA//spl radic/Hz is achieved when the distance between the planar coil and the transducer head is 2 mm. The response of the sensor for AC measurements is 0.14 V/A with a resolution of 6 mA//spl radic/Hz when the distance between the power line and the transducer head is 5.5 cm.</description><subject>Alternating current</subject><subject>Coiling</subject><subject>Coils</subject><subject>Current measurement</subject><subject>Direct current</subject><subject>Electric variables measurement</subject><subject>Fabry-Perot interferometers</subject><subject>Microcavities</subject><subject>Micromachining</subject><subject>Micromechanics</subject><subject>Optical interferometry</subject><subject>Optical sensors</subject><subject>Phase detection</subject><subject>Power measurement</subject><subject>Sensors</subject><subject>Transducers</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqNkUtr3TAQhU1poGnSfaEb0UWy8s2MJFvSMtw8Sx6FJJCdkHVHxMGPVLIp-feVuYVAF6GrOTDfDHPmFMVXhBUimKMfd6c3Kw4gVhoBkX8odrGqdIlK6o-LFlBKoR4_FZ9TegZAoyq1W7TXrY9j7_xTO9CGdePvMmSVErEz18TX8ifFcWLtMFEMWfaUBQtjZNMTsZ5cmiP1NExsDOxkzdywYcdrRh35KbbedczPMeZ-2i92gusSfflb94qHs9P79UV5dXt-uT6-Kr3QfCob8LVD8sJRY4xGUkJVjZeq0sEbbhBrGbSoNy44XdcqmwWFRoCkAA2XYq843O59ieOvmdJk-zZ56jo30DgnawBrgxwX8uBdkmtVCW3gP0BRgZY6g9__AZ_HOQ7ZrtVacl6bWmUItlB-fEqRgn2Jbe_iq0WwS5Z2ydIuWdptlnnk23akJaI3HI3M94k_8XKZ0Q</recordid><startdate>20030201</startdate><enddate>20030201</enddate><creator>Heredero, R.L.</creator><creator>Santos, J.L.</creator><creator>Ferndndez de Caleya, R.</creator><creator>Guerrero, H.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>H8D</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20030201</creationdate><title>Micromachined low-finesse Fabry-Perot interferometer for the measurement of DC and AC electrical currents</title><author>Heredero, R.L. ; Santos, J.L. ; Ferndndez de Caleya, R. ; Guerrero, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-b0c6a1ec3aeb9981e7375bc4758fc9291164f836dafa86671010719304ef0b243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Alternating current</topic><topic>Coiling</topic><topic>Coils</topic><topic>Current measurement</topic><topic>Direct current</topic><topic>Electric variables measurement</topic><topic>Fabry-Perot interferometers</topic><topic>Microcavities</topic><topic>Micromachining</topic><topic>Micromechanics</topic><topic>Optical interferometry</topic><topic>Optical sensors</topic><topic>Phase detection</topic><topic>Power measurement</topic><topic>Sensors</topic><topic>Transducers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Heredero, R.L.</creatorcontrib><creatorcontrib>Santos, J.L.</creatorcontrib><creatorcontrib>Ferndndez de Caleya, R.</creatorcontrib><creatorcontrib>Guerrero, H.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Aerospace Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE sensors journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Heredero, R.L.</au><au>Santos, J.L.</au><au>Ferndndez de Caleya, R.</au><au>Guerrero, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Micromachined low-finesse Fabry-Perot interferometer for the measurement of DC and AC electrical currents</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2003-02-01</date><risdate>2003</risdate><volume>3</volume><issue>1</issue><spage>13</spage><epage>18</epage><pages>13-18</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract>A micromachined low finesse Fabry-Perot interferometer for measuring DC and AC electrical current is presented. Interrogation of the microcavity is achieved by a dual-wavelength fiber Bragg grating technique working in quadrature. A linear relation between the DC electrical current and the optical phase defined by the microcavity was detected. Large enhancement of the sensitivity of the microcavities is presented with the use of a planar coil instead of a power line. The sensitivity of the sensor with the planar coil configuration is 7.9 rad/A and resolution of /spl sim/0.18 mA//spl radic/Hz is achieved when the distance between the planar coil and the transducer head is 2 mm. The response of the sensor for AC measurements is 0.14 V/A with a resolution of 6 mA//spl radic/Hz when the distance between the power line and the transducer head is 5.5 cm.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSEN.2003.810112</doi><tpages>6</tpages></addata></record> |
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| ispartof | IEEE sensors journal, 2003-02, Vol.3 (1), p.13-18 |
| issn | 1530-437X 1558-1748 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Alternating current Coiling Coils Current measurement Direct current Electric variables measurement Fabry-Perot interferometers Microcavities Micromachining Micromechanics Optical interferometry Optical sensors Phase detection Power measurement Sensors Transducers |
| title | Micromachined low-finesse Fabry-Perot interferometer for the measurement of DC and AC electrical currents |
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