Brillouin Optical Correlation Domain Analysis Enhanced by Time-Domain Data Processing for Concurrent Interrogation of Multiple Sensing Points
We propose and experimentally demonstrate a Brillouin optical correlation domain analysis system adopting time-domain data processing and differential measurement for simultaneous interrogation of multiple sensing points. Continuous probe and pulsed pump waves are simultaneously frequency-modulated...
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| Veröffentlicht in: | Journal of lightwave technology 2017-12, Vol.35 (24), p.5311-5316 |
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| container_issue | 24 |
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| container_title | Journal of lightwave technology |
| container_volume | 35 |
| creator | Ryu, Gukbeen Kim, Gyu-Tae Song, Kwang Yong Lee, Sang Bae Lee, Kwanil |
| description | We propose and experimentally demonstrate a Brillouin optical correlation domain analysis system adopting time-domain data processing and differential measurement for simultaneous interrogation of multiple sensing points. Continuous probe and pulsed pump waves are simultaneously frequency-modulated by a MHz-order sinusoidal RF wave so that multiple correlation peaks are sequentially generated according to the propagation of the pump along a fiber under test (FUT). The Brillouin gain spectrum of each correlation peak is obtained and interrogated by moving window averaging of the probe wave with a span of the period of the RF modulation, leading to the simultaneous monitoring of the multiple sensing points. In experiments, 148 correlation peaks are concurrently interrogated with a spatial resolution less than 3 cm along a 1530 m FUT. |
| doi_str_mv | 10.1109/JLT.2017.2750174 |
| format | Article |
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Continuous probe and pulsed pump waves are simultaneously frequency-modulated by a MHz-order sinusoidal RF wave so that multiple correlation peaks are sequentially generated according to the propagation of the pump along a fiber under test (FUT). The Brillouin gain spectrum of each correlation peak is obtained and interrogated by moving window averaging of the probe wave with a span of the period of the RF modulation, leading to the simultaneous monitoring of the multiple sensing points. 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(IEEE) 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-70270b7839a717f54bbe5d5cb5eee71354b1db889d1a017fad06494f8f02d54c3</citedby><cites>FETCH-LOGICAL-c357t-70270b7839a717f54bbe5d5cb5eee71354b1db889d1a017fad06494f8f02d54c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8030064$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8030064$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ryu, Gukbeen</creatorcontrib><creatorcontrib>Kim, Gyu-Tae</creatorcontrib><creatorcontrib>Song, Kwang Yong</creatorcontrib><creatorcontrib>Lee, Sang Bae</creatorcontrib><creatorcontrib>Lee, Kwanil</creatorcontrib><title>Brillouin Optical Correlation Domain Analysis Enhanced by Time-Domain Data Processing for Concurrent Interrogation of Multiple Sensing Points</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>We propose and experimentally demonstrate a Brillouin optical correlation domain analysis system adopting time-domain data processing and differential measurement for simultaneous interrogation of multiple sensing points. 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In experiments, 148 correlation peaks are concurrently interrogated with a spatial resolution less than 3 cm along a 1530 m FUT.</description><subject>Correlation analysis</subject><subject>Data processing</subject><subject>Detection</subject><subject>Frequency measurement</subject><subject>Frequency modulation</subject><subject>Interrogation</subject><subject>Interrogation window</subject><subject>Optical fiber sensors</subject><subject>Probes</subject><subject>Questioning</subject><subject>Scattering</subject><subject>Spatial resolution</subject><subject>stimulated Brillouin scattering</subject><subject>Time domain analysis</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFPAyEQhYnRxFq9m3gh8bwVFhD2WNuqNTVtYj1v2F2oNFuowB76I_zPUrfxNMnMey9vPgBuMRphjIqHt8V6lCPMRzlnadAzMMCMiSzPMTkHA8QJyQTP6SW4CmGLEKZU8AH4efKmbV1nLFzuo6llCyfOe9XKaJyFU7eT6TS2sj0EE-DMfklbqwZWB7g2O5WdBFMZJVx5V6sQjN1A7XzKsXWXomyEcxuV927ThzoN37s2mn2r4Ieyf4aVMzaGa3ChZRvUzWkOwefzbD15zRbLl_lkvMhqwnjMOMo5qrggheSYa0arSrGG1RVTSnFM0gI3lRBFg2VioWWDHmlBtdAobxityRDc97l77747FWK5dZ1PT4YSFwLnhSCEJxXqVbV3IXily703O-kPJUblEXqZoJdH6OUJerLc9RaTmvzLBSIoNSC_9tp_uA</recordid><startdate>20171215</startdate><enddate>20171215</enddate><creator>Ryu, Gukbeen</creator><creator>Kim, Gyu-Tae</creator><creator>Song, Kwang Yong</creator><creator>Lee, Sang Bae</creator><creator>Lee, Kwanil</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20171215</creationdate><title>Brillouin Optical Correlation Domain Analysis Enhanced by Time-Domain Data Processing for Concurrent Interrogation of Multiple Sensing Points</title><author>Ryu, Gukbeen ; Kim, Gyu-Tae ; Song, Kwang Yong ; Lee, Sang Bae ; Lee, Kwanil</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-70270b7839a717f54bbe5d5cb5eee71354b1db889d1a017fad06494f8f02d54c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Correlation analysis</topic><topic>Data processing</topic><topic>Detection</topic><topic>Frequency measurement</topic><topic>Frequency modulation</topic><topic>Interrogation</topic><topic>Interrogation window</topic><topic>Optical fiber sensors</topic><topic>Probes</topic><topic>Questioning</topic><topic>Scattering</topic><topic>Spatial resolution</topic><topic>stimulated Brillouin scattering</topic><topic>Time domain analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ryu, Gukbeen</creatorcontrib><creatorcontrib>Kim, Gyu-Tae</creatorcontrib><creatorcontrib>Song, Kwang Yong</creatorcontrib><creatorcontrib>Lee, Sang Bae</creatorcontrib><creatorcontrib>Lee, Kwanil</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><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ryu, Gukbeen</au><au>Kim, Gyu-Tae</au><au>Song, Kwang Yong</au><au>Lee, Sang Bae</au><au>Lee, Kwanil</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Brillouin Optical Correlation Domain Analysis Enhanced by Time-Domain Data Processing for Concurrent Interrogation of Multiple Sensing Points</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2017-12-15</date><risdate>2017</risdate><volume>35</volume><issue>24</issue><spage>5311</spage><epage>5316</epage><pages>5311-5316</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>We propose and experimentally demonstrate a Brillouin optical correlation domain analysis system adopting time-domain data processing and differential measurement for simultaneous interrogation of multiple sensing points. Continuous probe and pulsed pump waves are simultaneously frequency-modulated by a MHz-order sinusoidal RF wave so that multiple correlation peaks are sequentially generated according to the propagation of the pump along a fiber under test (FUT). The Brillouin gain spectrum of each correlation peak is obtained and interrogated by moving window averaging of the probe wave with a span of the period of the RF modulation, leading to the simultaneous monitoring of the multiple sensing points. In experiments, 148 correlation peaks are concurrently interrogated with a spatial resolution less than 3 cm along a 1530 m FUT.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JLT.2017.2750174</doi><tpages>6</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Correlation analysis Data processing Detection Frequency measurement Frequency modulation Interrogation Interrogation window Optical fiber sensors Probes Questioning Scattering Spatial resolution stimulated Brillouin scattering Time domain analysis |
| title | Brillouin Optical Correlation Domain Analysis Enhanced by Time-Domain Data Processing for Concurrent Interrogation of Multiple Sensing Points |
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