The Sagnac interferometer as a two-parameter sensor
We show the Sagnac interferometer as a two-parameter sensing device where nonreciprocal and reciprocal effects can be independently and simultaneously monitored. Phase shifts induced by nonreciprocal effects affect differently the counterpropagating beams in the loop and are accurately detected by a...
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| Veröffentlicht in: | Journal of lightwave technology 1995-07, Vol.13 (7), p.1250-1255 |
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| container_title | Journal of lightwave technology |
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| creator | de Carvalho, R.T. Blake, J. |
| description | We show the Sagnac interferometer as a two-parameter sensing device where nonreciprocal and reciprocal effects can be independently and simultaneously monitored. Phase shifts induced by nonreciprocal effects affect differently the counterpropagating beams in the loop and are accurately detected by a phase sensitive detection scheme. A probe for reciprocal effects is built by introducing a birefringence modulator inside the polarization-maintaining loop with its axes rotated with respect to the axes of the loop fiber. The resulting quadrature component of the demodulated signal is proportional to the phase shift induced by reciprocal effects at the probe site, making the interferometer suitable for dual parameter sensing. Demonstration of a electric/magnetic field sensor is presented.< > |
| doi_str_mv | 10.1109/50.400691 |
| format | Article |
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Phase shifts induced by nonreciprocal effects affect differently the counterpropagating beams in the loop and are accurately detected by a phase sensitive detection scheme. A probe for reciprocal effects is built by introducing a birefringence modulator inside the polarization-maintaining loop with its axes rotated with respect to the axes of the loop fiber. The resulting quadrature component of the demodulated signal is proportional to the phase shift induced by reciprocal effects at the probe site, making the interferometer suitable for dual parameter sensing. Demonstration of a electric/magnetic field sensor is presented.< ></description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/50.400691</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>IEEE</publisher><subject>Birefringence ; Circuits ; Frequency ; Optical fiber polarization ; Optical fiber sensors ; Phase detection ; Phase modulation ; Phase shifting interferometry ; Probes ; Sagnac interferometers</subject><ispartof>Journal of lightwave technology, 1995-07, Vol.13 (7), p.1250-1255</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c192t-db41969b501ef8d5fc665ad1ac6cb88c46d8bda021bbc436ff78b231f6742ef23</citedby><cites>FETCH-LOGICAL-c192t-db41969b501ef8d5fc665ad1ac6cb88c46d8bda021bbc436ff78b231f6742ef23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/400691$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/400691$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>de Carvalho, R.T.</creatorcontrib><creatorcontrib>Blake, J.</creatorcontrib><title>The Sagnac interferometer as a two-parameter sensor</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>We show the Sagnac interferometer as a two-parameter sensing device where nonreciprocal and reciprocal effects can be independently and simultaneously monitored. Phase shifts induced by nonreciprocal effects affect differently the counterpropagating beams in the loop and are accurately detected by a phase sensitive detection scheme. A probe for reciprocal effects is built by introducing a birefringence modulator inside the polarization-maintaining loop with its axes rotated with respect to the axes of the loop fiber. The resulting quadrature component of the demodulated signal is proportional to the phase shift induced by reciprocal effects at the probe site, making the interferometer suitable for dual parameter sensing. Demonstration of a electric/magnetic field sensor is presented.< ></description><subject>Birefringence</subject><subject>Circuits</subject><subject>Frequency</subject><subject>Optical fiber polarization</subject><subject>Optical fiber sensors</subject><subject>Phase detection</subject><subject>Phase modulation</subject><subject>Phase shifting interferometry</subject><subject>Probes</subject><subject>Sagnac interferometers</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNo90EtLxDAQB_AgCtbVg1dPPQkeumbyanqUxRcseHA9hySdaKUvky7it7fSxdMMMz8G5k_IJdA1AK1uJV0LSlUFRyQDKXXBGPBjktGS80KXTJySs5Q-KQUhdJkRvvvA_NW-99bnTT9hDBiHDucmtym3-fQ9FKONdhkl7NMQz8lJsG3Ci0NdkbeH-93mqdi-PD5v7raFh4pNRe0EVKpykgIGXcvglZK2BuuVd1p7oWrtaksZOOcFVyGU2jEOQZWCYWB8Ra6Xu2McvvaYJtM1yWPb2h6HfTJs_kcDq2Z4s0Afh5QiBjPGprPxxwA1f7EYSc0Sy2yvFtsg4r87LH8BZNtclQ</recordid><startdate>19950701</startdate><enddate>19950701</enddate><creator>de Carvalho, R.T.</creator><creator>Blake, J.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19950701</creationdate><title>The Sagnac interferometer as a two-parameter sensor</title><author>de Carvalho, R.T. ; Blake, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c192t-db41969b501ef8d5fc665ad1ac6cb88c46d8bda021bbc436ff78b231f6742ef23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Birefringence</topic><topic>Circuits</topic><topic>Frequency</topic><topic>Optical fiber polarization</topic><topic>Optical fiber sensors</topic><topic>Phase detection</topic><topic>Phase modulation</topic><topic>Phase shifting interferometry</topic><topic>Probes</topic><topic>Sagnac interferometers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Carvalho, R.T.</creatorcontrib><creatorcontrib>Blake, J.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research 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>de Carvalho, R.T.</au><au>Blake, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Sagnac interferometer as a two-parameter sensor</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>1995-07-01</date><risdate>1995</risdate><volume>13</volume><issue>7</issue><spage>1250</spage><epage>1255</epage><pages>1250-1255</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>We show the Sagnac interferometer as a two-parameter sensing device where nonreciprocal and reciprocal effects can be independently and simultaneously monitored. Phase shifts induced by nonreciprocal effects affect differently the counterpropagating beams in the loop and are accurately detected by a phase sensitive detection scheme. A probe for reciprocal effects is built by introducing a birefringence modulator inside the polarization-maintaining loop with its axes rotated with respect to the axes of the loop fiber. The resulting quadrature component of the demodulated signal is proportional to the phase shift induced by reciprocal effects at the probe site, making the interferometer suitable for dual parameter sensing. Demonstration of a electric/magnetic field sensor is presented.< ></abstract><pub>IEEE</pub><doi>10.1109/50.400691</doi><tpages>6</tpages></addata></record> |
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| ispartof | Journal of lightwave technology, 1995-07, Vol.13 (7), p.1250-1255 |
| issn | 0733-8724 1558-2213 |
| language | eng |
| recordid | cdi_crossref_primary_10_1109_50_400691 |
| source | IEEE Electronic Library (IEL) |
| subjects | Birefringence Circuits Frequency Optical fiber polarization Optical fiber sensors Phase detection Phase modulation Phase shifting interferometry Probes Sagnac interferometers |
| title | The Sagnac interferometer as a two-parameter sensor |
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