Noncontact detection of ultrasound with rugged fiber-optic interferometer
An all-fiber-optic probe for noncontact detection of ultrasound in industrial settings is described. The probe consists of a path-matched interferometer built with polarization-maintaining optical fiber. The interferometer is maintained at its linear operating point (quadrature condition) without th...
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| creator | Alcoz, J.J. Duffer, C.E. Nair, S. |
| description | An all-fiber-optic probe for noncontact detection of ultrasound in industrial settings is described. The probe consists of a path-matched interferometer built with polarization-maintaining optical fiber. The interferometer is maintained at its linear operating point (quadrature condition) without the need of active feedback or modulation. Ultrasound was monitored on rough metallic surfaces achieving single-pulse subnanometer sensitivity with a 5 MHz bandwidth. Probes with surface clearances of about half a centimeter were investigated. This interferometer provides immunity to ambient disturbances and a very compact package. Measurements obtained in combination with laser-generated ultrasound are also presented. |
| doi_str_mv | 10.1109/ULTSYM.1996.584057 |
| format | Conference Proceeding |
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The probe consists of a path-matched interferometer built with polarization-maintaining optical fiber. The interferometer is maintained at its linear operating point (quadrature condition) without the need of active feedback or modulation. Ultrasound was monitored on rough metallic surfaces achieving single-pulse subnanometer sensitivity with a 5 MHz bandwidth. Probes with surface clearances of about half a centimeter were investigated. This interferometer provides immunity to ambient disturbances and a very compact package. Measurements obtained in combination with laser-generated ultrasound are also presented.</description><identifier>ISSN: 1051-0117</identifier><identifier>ISBN: 0780336151</identifier><identifier>ISBN: 9780780336155</identifier><identifier>DOI: 10.1109/ULTSYM.1996.584057</identifier><language>eng</language><publisher>IEEE</publisher><subject>Bandwidth ; Laser feedback ; Optical feedback ; Optical fiber polarization ; Optical interferometry ; Packaging ; Probes ; Rough surfaces ; Surface roughness ; Ultrasonic imaging</subject><ispartof>1996 IEEE Ultrasonics Symposium. 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The probe consists of a path-matched interferometer built with polarization-maintaining optical fiber. The interferometer is maintained at its linear operating point (quadrature condition) without the need of active feedback or modulation. Ultrasound was monitored on rough metallic surfaces achieving single-pulse subnanometer sensitivity with a 5 MHz bandwidth. Probes with surface clearances of about half a centimeter were investigated. This interferometer provides immunity to ambient disturbances and a very compact package. Measurements obtained in combination with laser-generated ultrasound are also presented.</description><subject>Bandwidth</subject><subject>Laser feedback</subject><subject>Optical feedback</subject><subject>Optical fiber polarization</subject><subject>Optical interferometry</subject><subject>Packaging</subject><subject>Probes</subject><subject>Rough surfaces</subject><subject>Surface roughness</subject><subject>Ultrasonic imaging</subject><issn>1051-0117</issn><isbn>0780336151</isbn><isbn>9780780336155</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>1996</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj8tKAzEYRgMq2FZfoKu8wNT_z32WUrwURl3YLlyVTCapkXZSMhnEt7fQrr6zOQc-QuYIC0SoHzbN-vPrbYF1rRbSCJD6ikxBG-BcocRrMkGQWAGiviXTYfgBYCCZmJDVe-pd6ot1hXa-eFdi6mkKdNyXbIc09h39jeWb5nG38x0NsfW5SscSHY198Tn4nA4nMd-Rm2D3g7-_7Ixsnp_Wy9eq-XhZLR-bKqJmpUIeBAolrA3qhBpdq13A0DJmgzUqcCZrphQ3rGbYgrSt0B61MsZZsIrPyPzcjd777THHg81_2_Nr_g8ggk0T</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>Alcoz, J.J.</creator><creator>Duffer, C.E.</creator><creator>Nair, S.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>1996</creationdate><title>Noncontact detection of ultrasound with rugged fiber-optic interferometer</title><author>Alcoz, J.J. ; Duffer, C.E. ; Nair, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i172t-13f41464aaf63f471cb7cf1fb22afa86f3259266382921b05ab47e17688ca0a63</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Bandwidth</topic><topic>Laser feedback</topic><topic>Optical feedback</topic><topic>Optical fiber polarization</topic><topic>Optical interferometry</topic><topic>Packaging</topic><topic>Probes</topic><topic>Rough surfaces</topic><topic>Surface roughness</topic><topic>Ultrasonic imaging</topic><toplevel>online_resources</toplevel><creatorcontrib>Alcoz, J.J.</creatorcontrib><creatorcontrib>Duffer, C.E.</creatorcontrib><creatorcontrib>Nair, S.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Alcoz, J.J.</au><au>Duffer, C.E.</au><au>Nair, S.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Noncontact detection of ultrasound with rugged fiber-optic interferometer</atitle><btitle>1996 IEEE Ultrasonics Symposium. Proceedings</btitle><stitle>ULTSYM</stitle><date>1996</date><risdate>1996</risdate><volume>1</volume><spage>639</spage><epage>642 vol.1</epage><pages>639-642 vol.1</pages><issn>1051-0117</issn><isbn>0780336151</isbn><isbn>9780780336155</isbn><abstract>An all-fiber-optic probe for noncontact detection of ultrasound in industrial settings is described. The probe consists of a path-matched interferometer built with polarization-maintaining optical fiber. The interferometer is maintained at its linear operating point (quadrature condition) without the need of active feedback or modulation. Ultrasound was monitored on rough metallic surfaces achieving single-pulse subnanometer sensitivity with a 5 MHz bandwidth. Probes with surface clearances of about half a centimeter were investigated. This interferometer provides immunity to ambient disturbances and a very compact package. Measurements obtained in combination with laser-generated ultrasound are also presented.</abstract><pub>IEEE</pub><doi>10.1109/ULTSYM.1996.584057</doi></addata></record> |
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| identifier | ISSN: 1051-0117 |
| ispartof | 1996 IEEE Ultrasonics Symposium. Proceedings, 1996, Vol.1, p.639-642 vol.1 |
| issn | 1051-0117 |
| language | eng |
| recordid | cdi_ieee_primary_584057 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Bandwidth Laser feedback Optical feedback Optical fiber polarization Optical interferometry Packaging Probes Rough surfaces Surface roughness Ultrasonic imaging |
| title | Noncontact detection of ultrasound with rugged fiber-optic interferometer |
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