Sensing combustion intermediates by femtosecond filament excitation
Simultaneous monitoring of multiple combustion intermediates using femtosecond filament-induced nonlinear spectroscopy is demonstrated. Clean fluorescence emissions from free radicals CH, CN, NH, OH, and C(2), as well as atomic C and H, are observed when a femtosecond filament is formed in the lamin...
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Veröffentlicht in: | Optics letters 2013-04, Vol.38 (8), p.1250-1252 |
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creator | Li, He-Long Xu, Huai-Liang Yang, Bo-Si Chen, Qi-Dai Zhang, Tao Sun, Hong-Bo |
description | Simultaneous monitoring of multiple combustion intermediates using femtosecond filament-induced nonlinear spectroscopy is demonstrated. Clean fluorescence emissions from free radicals CH, CN, NH, OH, and C(2), as well as atomic C and H, are observed when a femtosecond filament is formed in the laminar ethanol/air flame on an alcohol burner. The fluorescence signals of these species are found to vary as functions of the position of interaction of the filament with the flame along the vertical axis of the central combusting flow, opening up a possibility for remote combustion diagnostic in engines by the excitation of femtosecond laser filament. |
doi_str_mv | 10.1364/OL.38.001250 |
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Clean fluorescence emissions from free radicals CH, CN, NH, OH, and C(2), as well as atomic C and H, are observed when a femtosecond filament is formed in the laminar ethanol/air flame on an alcohol burner. The fluorescence signals of these species are found to vary as functions of the position of interaction of the filament with the flame along the vertical axis of the central combusting flow, opening up a possibility for remote combustion diagnostic in engines by the excitation of femtosecond laser filament.</description><identifier>ISSN: 0146-9592</identifier><identifier>EISSN: 1539-4794</identifier><identifier>DOI: 10.1364/OL.38.001250</identifier><identifier>PMID: 23595448</identifier><language>eng</language><publisher>United States</publisher><subject>Combustion ; Diagnostic systems ; Ethyl alcohol ; Excitation ; Femtosecond ; Filaments ; Fluorescence ; Free radicals</subject><ispartof>Optics letters, 2013-04, Vol.38 (8), p.1250-1252</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-6b72010ac217cdd54f32e05f7b44960a9bfa2309c41045c3feff9a544ab27bd33</citedby><cites>FETCH-LOGICAL-c390t-6b72010ac217cdd54f32e05f7b44960a9bfa2309c41045c3feff9a544ab27bd33</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/23595448$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, He-Long</creatorcontrib><creatorcontrib>Xu, Huai-Liang</creatorcontrib><creatorcontrib>Yang, Bo-Si</creatorcontrib><creatorcontrib>Chen, Qi-Dai</creatorcontrib><creatorcontrib>Zhang, Tao</creatorcontrib><creatorcontrib>Sun, Hong-Bo</creatorcontrib><title>Sensing combustion intermediates by femtosecond filament excitation</title><title>Optics letters</title><addtitle>Opt Lett</addtitle><description>Simultaneous monitoring of multiple combustion intermediates using femtosecond filament-induced nonlinear spectroscopy is demonstrated. Clean fluorescence emissions from free radicals CH, CN, NH, OH, and C(2), as well as atomic C and H, are observed when a femtosecond filament is formed in the laminar ethanol/air flame on an alcohol burner. The fluorescence signals of these species are found to vary as functions of the position of interaction of the filament with the flame along the vertical axis of the central combusting flow, opening up a possibility for remote combustion diagnostic in engines by the excitation of femtosecond laser filament.</description><subject>Combustion</subject><subject>Diagnostic systems</subject><subject>Ethyl alcohol</subject><subject>Excitation</subject><subject>Femtosecond</subject><subject>Filaments</subject><subject>Fluorescence</subject><subject>Free radicals</subject><issn>0146-9592</issn><issn>1539-4794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkDtPwzAUhS0EoqWwMaOMDKRc-9pxPKKKlxSpAzBbjmMjozxK7Ejw72nVwsx0lu8cHX2EXFJYUiz47bpaYrkEoEzAEZlTgSrnUvFjMgfKi1wJxWbkLMYPACgk4imZMRRKcF7OyerF9TH075kdunqKKQx9Fvrkxs41wSQXs_o7865LQ3R26JvMh9Z0rk-Z-7IhmV3hnJx400Z3ccgFeXu4f1095dX68Xl1V-UWFaS8qCUDCsYyKm3TCO6RORBe1pyrAoyqvWEIynIKXFj0zntltjdNzWTdIC7I9X53Mw6fk4tJdyFa17amd8MUNUXJClZISv-BIoVSItuhN3vUjkOMo_N6M4bOjN-agt4Z1utKY6n3hrf41WF5qreO_uBfpfgDWfF1_A</recordid><startdate>20130415</startdate><enddate>20130415</enddate><creator>Li, He-Long</creator><creator>Xu, Huai-Liang</creator><creator>Yang, Bo-Si</creator><creator>Chen, Qi-Dai</creator><creator>Zhang, Tao</creator><creator>Sun, Hong-Bo</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20130415</creationdate><title>Sensing combustion intermediates by femtosecond filament excitation</title><author>Li, He-Long ; Xu, Huai-Liang ; Yang, Bo-Si ; Chen, Qi-Dai ; Zhang, Tao ; Sun, Hong-Bo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-6b72010ac217cdd54f32e05f7b44960a9bfa2309c41045c3feff9a544ab27bd33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Combustion</topic><topic>Diagnostic systems</topic><topic>Ethyl alcohol</topic><topic>Excitation</topic><topic>Femtosecond</topic><topic>Filaments</topic><topic>Fluorescence</topic><topic>Free radicals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, He-Long</creatorcontrib><creatorcontrib>Xu, Huai-Liang</creatorcontrib><creatorcontrib>Yang, Bo-Si</creatorcontrib><creatorcontrib>Chen, Qi-Dai</creatorcontrib><creatorcontrib>Zhang, Tao</creatorcontrib><creatorcontrib>Sun, Hong-Bo</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</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>Optics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, He-Long</au><au>Xu, Huai-Liang</au><au>Yang, Bo-Si</au><au>Chen, Qi-Dai</au><au>Zhang, Tao</au><au>Sun, Hong-Bo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sensing combustion intermediates by femtosecond filament excitation</atitle><jtitle>Optics letters</jtitle><addtitle>Opt Lett</addtitle><date>2013-04-15</date><risdate>2013</risdate><volume>38</volume><issue>8</issue><spage>1250</spage><epage>1252</epage><pages>1250-1252</pages><issn>0146-9592</issn><eissn>1539-4794</eissn><abstract>Simultaneous monitoring of multiple combustion intermediates using femtosecond filament-induced nonlinear spectroscopy is demonstrated. Clean fluorescence emissions from free radicals CH, CN, NH, OH, and C(2), as well as atomic C and H, are observed when a femtosecond filament is formed in the laminar ethanol/air flame on an alcohol burner. The fluorescence signals of these species are found to vary as functions of the position of interaction of the filament with the flame along the vertical axis of the central combusting flow, opening up a possibility for remote combustion diagnostic in engines by the excitation of femtosecond laser filament.</abstract><cop>United States</cop><pmid>23595448</pmid><doi>10.1364/OL.38.001250</doi><tpages>3</tpages></addata></record> |
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subjects | Combustion Diagnostic systems Ethyl alcohol Excitation Femtosecond Filaments Fluorescence Free radicals |
title | Sensing combustion intermediates by femtosecond filament excitation |
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