A distributed fiber optic sensor based on cladding fluorescence
The fiber for the sensor is formed by cladding fused silica during drawing with polydimethyl siloxane into which an organic fluorescent dye, 9, 10-diphenylanthracene, has been dissolved. Upon side illumination at a wavelength within the excitation range of the dye, the cladding fluoresces; some of t...
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| Veröffentlicht in: | Journal of lightwave technology 1990-02, Vol.8 (2), p.212-220 |
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| container_title | Journal of lightwave technology |
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| creator | Lieberman, R.A. Blyler, L.L. Cohen, L.G. |
| description | The fiber for the sensor is formed by cladding fused silica during drawing with polydimethyl siloxane into which an organic fluorescent dye, 9, 10-diphenylanthracene, has been dissolved. Upon side illumination at a wavelength within the excitation range of the dye, the cladding fluoresces; some of this fluorescence is coupled into guided modes in the fiber core through the evanescent fields of these modes. In the presence of oxygen, fluorescent emission by the dye is diminished. For the sensor described, the rubbery liquidlike nature of the polydimethyl siloxane cladding allows rapid diffusion of gases, and the intensity of the guided fluorescence is observed to drop by 30% in less than 5 s when the ambient atmosphere changes from pure nitrogen to pure oxygen. The advantages of this sensing technique, and some of the possibilities for new sensors based on this principle, are discussed.< > |
| doi_str_mv | 10.1109/50.47873 |
| format | Article |
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Upon side illumination at a wavelength within the excitation range of the dye, the cladding fluoresces; some of this fluorescence is coupled into guided modes in the fiber core through the evanescent fields of these modes. In the presence of oxygen, fluorescent emission by the dye is diminished. For the sensor described, the rubbery liquidlike nature of the polydimethyl siloxane cladding allows rapid diffusion of gases, and the intensity of the guided fluorescence is observed to drop by 30% in less than 5 s when the ambient atmosphere changes from pure nitrogen to pure oxygen. The advantages of this sensing technique, and some of the possibilities for new sensors based on this principle, are discussed.< ></description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/50.47873</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Biological and medical sciences ; Biosensors ; Biotechnology ; Chemical sensors ; Fluorescence ; Fundamental and applied biological sciences. Psychology ; Methods. Procedures. 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Upon side illumination at a wavelength within the excitation range of the dye, the cladding fluoresces; some of this fluorescence is coupled into guided modes in the fiber core through the evanescent fields of these modes. In the presence of oxygen, fluorescent emission by the dye is diminished. For the sensor described, the rubbery liquidlike nature of the polydimethyl siloxane cladding allows rapid diffusion of gases, and the intensity of the guided fluorescence is observed to drop by 30% in less than 5 s when the ambient atmosphere changes from pure nitrogen to pure oxygen. The advantages of this sensing technique, and some of the possibilities for new sensors based on this principle, are discussed.< ></description><subject>Biological and medical sciences</subject><subject>Biosensors</subject><subject>Biotechnology</subject><subject>Chemical sensors</subject><subject>Fluorescence</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Methods. Procedures. Technologies</subject><subject>Optical fiber sensors</subject><subject>Optical fibers</subject><subject>Optical polymers</subject><subject>Optical sensors</subject><subject>Optical surface waves</subject><subject>Optical waveguides</subject><subject>Sensor phenomena and characterization</subject><subject>Silicon compounds</subject><subject>Various methods and equipments</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNqF0D1PwzAQBmALgUQpSKxsXkAsKfbZrp0JVRVfUiUWmCPbOSOjNCl2MvDvCaSCkemG99GruyPknLMF56y8UWwhtdHigMy4UqYA4OKQzJgWojAa5DE5yfmdMS6l0TNyu6J1zH2KbuixpiE6TLTb9dHTjG3uEnU2j0HXUt_Yuo7tGw3N0CXMHluPp-Qo2Cbj2X7Oyev93cv6sdg8PzytV5vCC6H6AgIr0TBExZwH8KzUTgvp0GsjJVhU2i11XQenMEirZAlegDfcAnpnUczJ1dS7S93HgLmvtnHcoGlsi92QKzCgAMYr_4VqKZSQ5QivJ-hTl3PCUO1S3Nr0WXFWfb-yUqz6eeVIL_edNnvbhGRbH_OfLwUwsVSju5hcRMTfeOr4AgSLetE</recordid><startdate>19900201</startdate><enddate>19900201</enddate><creator>Lieberman, R.A.</creator><creator>Blyler, L.L.</creator><creator>Cohen, L.G.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19900201</creationdate><title>A distributed fiber optic sensor based on cladding fluorescence</title><author>Lieberman, R.A. ; Blyler, L.L. ; Cohen, L.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-2f09e80ee50bc22c097b734bec78442ae57b67ddfb5ef4a5492c32c81a2ecbae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Biological and medical sciences</topic><topic>Biosensors</topic><topic>Biotechnology</topic><topic>Chemical sensors</topic><topic>Fluorescence</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Methods. Procedures. Technologies</topic><topic>Optical fiber sensors</topic><topic>Optical fibers</topic><topic>Optical polymers</topic><topic>Optical sensors</topic><topic>Optical surface waves</topic><topic>Optical waveguides</topic><topic>Sensor phenomena and characterization</topic><topic>Silicon compounds</topic><topic>Various methods and equipments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lieberman, R.A.</creatorcontrib><creatorcontrib>Blyler, L.L.</creatorcontrib><creatorcontrib>Cohen, L.G.</creatorcontrib><collection>Pascal-Francis</collection><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>Lieberman, R.A.</au><au>Blyler, L.L.</au><au>Cohen, L.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A distributed fiber optic sensor based on cladding fluorescence</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>1990-02-01</date><risdate>1990</risdate><volume>8</volume><issue>2</issue><spage>212</spage><epage>220</epage><pages>212-220</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>The fiber for the sensor is formed by cladding fused silica during drawing with polydimethyl siloxane into which an organic fluorescent dye, 9, 10-diphenylanthracene, has been dissolved. Upon side illumination at a wavelength within the excitation range of the dye, the cladding fluoresces; some of this fluorescence is coupled into guided modes in the fiber core through the evanescent fields of these modes. In the presence of oxygen, fluorescent emission by the dye is diminished. For the sensor described, the rubbery liquidlike nature of the polydimethyl siloxane cladding allows rapid diffusion of gases, and the intensity of the guided fluorescence is observed to drop by 30% in less than 5 s when the ambient atmosphere changes from pure nitrogen to pure oxygen. The advantages of this sensing technique, and some of the possibilities for new sensors based on this principle, are discussed.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/50.47873</doi><tpages>9</tpages></addata></record> |
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| ispartof | Journal of lightwave technology, 1990-02, Vol.8 (2), p.212-220 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Biological and medical sciences Biosensors Biotechnology Chemical sensors Fluorescence Fundamental and applied biological sciences. Psychology Methods. Procedures. Technologies Optical fiber sensors Optical fibers Optical polymers Optical sensors Optical surface waves Optical waveguides Sensor phenomena and characterization Silicon compounds Various methods and equipments |
| title | A distributed fiber optic sensor based on cladding fluorescence |
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