Advantage of multi-mode sapphire optical fiber for evanescent-field SERS sensing
An unclad, multi-mode single crystal sapphire fiber was used as a platform, and immobilized colloidal Ag nanoparticles (NPs) were used as enabler, for evanescent-field fiber-optic sensing via surface-enhanced Raman scattering (SERS) of Rhodamine 6G (R6G) solution. The dependence of the measured Rama...
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| Veröffentlicht in: | Optics letters 2014-10, Vol.39 (20), p.5822-5825 |
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| container_title | Optics letters |
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| creator | Chen, Hui Tian, Fei Chi, Jingmao Kanka, Jiri Du, Henry |
| description | An unclad, multi-mode single crystal sapphire fiber was used as a platform, and immobilized colloidal Ag nanoparticles (NPs) were used as enabler, for evanescent-field fiber-optic sensing via surface-enhanced Raman scattering (SERS) of Rhodamine 6G (R6G) solution. The dependence of the measured Raman intensity on NP coverage density (to a maximum of 120 particles/μm²) as well as the coverage length (to a maximum of 6 cm) was investigated. We demonstrate the utility of SERS-active sapphire fibers for sensitive measurements (10⁻⁸ M R6G). We further reveal, with the aid of theoretical analysis, that multi-mode fiber offers a significant advantage compared to its single-mode counterpart because the former allows two orders of magnitude higher particle coverage density than the latter to maximize SERS benefit, while maintaining the dominance of Raman gain despite the competitive interplay of NP-induced absorption and scattering loss along the interaction path length. |
| doi_str_mv | 10.1364/OL.39.005822 |
| format | Article |
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The dependence of the measured Raman intensity on NP coverage density (to a maximum of 120 particles/μm²) as well as the coverage length (to a maximum of 6 cm) was investigated. We demonstrate the utility of SERS-active sapphire fibers for sensitive measurements (10⁻⁸ M R6G). We further reveal, with the aid of theoretical analysis, that multi-mode fiber offers a significant advantage compared to its single-mode counterpart because the former allows two orders of magnitude higher particle coverage density than the latter to maximize SERS benefit, while maintaining the dominance of Raman gain despite the competitive interplay of NP-induced absorption and scattering loss along the interaction path length.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.39.005822</identifier><identifier>PMID: 25361094</identifier><language>eng</language><publisher>United States</publisher><subject>Aluminum Oxide ; Density ; Detection ; Dominance ; Fibers ; Metal Nanoparticles - chemistry ; Nanoparticles ; Optical Fibers ; Raman scattering ; Rhodamines - chemistry ; Sapphire ; Silver - chemistry ; Spectrum Analysis, Raman - instrumentation</subject><ispartof>Optics letters, 2014-10, Vol.39 (20), p.5822-5825</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c324t-6bf6e5eb7aadd16c74d5788a9b5baac5daa6a00e40a576e552eb2330b1f639703</citedby><cites>FETCH-LOGICAL-c324t-6bf6e5eb7aadd16c74d5788a9b5baac5daa6a00e40a576e552eb2330b1f639703</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,3245,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25361094$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Hui</creatorcontrib><creatorcontrib>Tian, Fei</creatorcontrib><creatorcontrib>Chi, Jingmao</creatorcontrib><creatorcontrib>Kanka, Jiri</creatorcontrib><creatorcontrib>Du, Henry</creatorcontrib><title>Advantage of multi-mode sapphire optical fiber for evanescent-field SERS sensing</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>An unclad, multi-mode single crystal sapphire fiber was used as a platform, and immobilized colloidal Ag nanoparticles (NPs) were used as enabler, for evanescent-field fiber-optic sensing via surface-enhanced Raman scattering (SERS) of Rhodamine 6G (R6G) solution. The dependence of the measured Raman intensity on NP coverage density (to a maximum of 120 particles/μm²) as well as the coverage length (to a maximum of 6 cm) was investigated. We demonstrate the utility of SERS-active sapphire fibers for sensitive measurements (10⁻⁸ M R6G). We further reveal, with the aid of theoretical analysis, that multi-mode fiber offers a significant advantage compared to its single-mode counterpart because the former allows two orders of magnitude higher particle coverage density than the latter to maximize SERS benefit, while maintaining the dominance of Raman gain despite the competitive interplay of NP-induced absorption and scattering loss along the interaction path length.</description><subject>Aluminum Oxide</subject><subject>Density</subject><subject>Detection</subject><subject>Dominance</subject><subject>Fibers</subject><subject>Metal Nanoparticles - chemistry</subject><subject>Nanoparticles</subject><subject>Optical Fibers</subject><subject>Raman scattering</subject><subject>Rhodamines - chemistry</subject><subject>Sapphire</subject><subject>Silver - chemistry</subject><subject>Spectrum Analysis, Raman - instrumentation</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLAzEURoMotlZ3riVLF07NO82ySH3AQMXqOiSTpI7My2RG8N87pdWtcOHC5dyPjwPAJUZzTAW7XedzquYI8QUhR2CKOVUZk4odgynCTGSKKzIBZyl9IISEpPQUTAinAiPFpuB56b5M05uth22A9VD1ZVa3zsNkuu69jOO568vCVDCU1kcY2gj9-OFT4Zs-C6WvHNysXjYw-SaVzfYcnARTJX9x2DPwdr96vXvM8vXD090yzwpKWJ8JG4Tn3kpjnMOikMxxuVgYZbk1puDOGGEQ8gwZLkeSE28JpcjiIKiSiM7A9T63i-3n4FOv63LsVFVjt3ZIGkukJCN0nH9RgRXFiokderNHi9imFH3QXSxrE781RnqnW69zTZXe6x7xq0PyYGvv_uBfv_QHh2B6Eg</recordid><startdate>20141015</startdate><enddate>20141015</enddate><creator>Chen, Hui</creator><creator>Tian, Fei</creator><creator>Chi, Jingmao</creator><creator>Kanka, Jiri</creator><creator>Du, Henry</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QF</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20141015</creationdate><title>Advantage of multi-mode sapphire optical fiber for evanescent-field SERS sensing</title><author>Chen, Hui ; Tian, Fei ; Chi, Jingmao ; Kanka, Jiri ; Du, Henry</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c324t-6bf6e5eb7aadd16c74d5788a9b5baac5daa6a00e40a576e552eb2330b1f639703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Aluminum Oxide</topic><topic>Density</topic><topic>Detection</topic><topic>Dominance</topic><topic>Fibers</topic><topic>Metal Nanoparticles - chemistry</topic><topic>Nanoparticles</topic><topic>Optical Fibers</topic><topic>Raman scattering</topic><topic>Rhodamines - chemistry</topic><topic>Sapphire</topic><topic>Silver - chemistry</topic><topic>Spectrum Analysis, Raman - instrumentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Hui</creatorcontrib><creatorcontrib>Tian, Fei</creatorcontrib><creatorcontrib>Chi, Jingmao</creatorcontrib><creatorcontrib>Kanka, Jiri</creatorcontrib><creatorcontrib>Du, Henry</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aluminium Industry Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Hui</au><au>Tian, Fei</au><au>Chi, Jingmao</au><au>Kanka, Jiri</au><au>Du, Henry</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Advantage of multi-mode sapphire optical fiber for evanescent-field SERS sensing</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2014-10-15</date><risdate>2014</risdate><volume>39</volume><issue>20</issue><spage>5822</spage><epage>5825</epage><pages>5822-5825</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>An unclad, multi-mode single crystal sapphire fiber was used as a platform, and immobilized colloidal Ag nanoparticles (NPs) were used as enabler, for evanescent-field fiber-optic sensing via surface-enhanced Raman scattering (SERS) of Rhodamine 6G (R6G) solution. The dependence of the measured Raman intensity on NP coverage density (to a maximum of 120 particles/μm²) as well as the coverage length (to a maximum of 6 cm) was investigated. We demonstrate the utility of SERS-active sapphire fibers for sensitive measurements (10⁻⁸ M R6G). We further reveal, with the aid of theoretical analysis, that multi-mode fiber offers a significant advantage compared to its single-mode counterpart because the former allows two orders of magnitude higher particle coverage density than the latter to maximize SERS benefit, while maintaining the dominance of Raman gain despite the competitive interplay of NP-induced absorption and scattering loss along the interaction path length.</abstract><cop>United States</cop><pmid>25361094</pmid><doi>10.1364/OL.39.005822</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | MEDLINE; Optica Publishing Group Journals |
| subjects | Aluminum Oxide Density Detection Dominance Fibers Metal Nanoparticles - chemistry Nanoparticles Optical Fibers Raman scattering Rhodamines - chemistry Sapphire Silver - chemistry Spectrum Analysis, Raman - instrumentation |
| title | Advantage of multi-mode sapphire optical fiber for evanescent-field SERS sensing |
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