Intracavity laser absorption spectroscopy of sooting acetylene/air flames
Intracavity laser absorption spectroscopy (ICLAS) is used to measure the absolute concentration profiles of HCO and C 2 in low-pressure acetylene/oxygen/nitrogen flames with equivalence ratios ϕ=0.8, 1.0, 1.5, 2.0 and 2.5. The flames with ϕ=2.0 and 2.5 are soot-producing, with light extinction reach...
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| Veröffentlicht in: | Applied physics. B, Lasers and optics Lasers and optics, 2008-08, Vol.92 (2), p.281-286 |
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| container_title | Applied physics. B, Lasers and optics |
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| creator | Goldman, A. Cheskis, S. |
| description | Intracavity laser absorption spectroscopy (ICLAS) is used to measure the absolute concentration profiles of HCO and C
2
in low-pressure acetylene/oxygen/nitrogen flames with equivalence ratios ϕ=0.8, 1.0, 1.5, 2.0 and 2.5. The flames with ϕ=2.0 and 2.5 are soot-producing, with light extinction reaching 0.1% per pass in the flame with ϕ=2.5. This strong broadband extinction does not affect the sensitivity of ICLAS, however. The temperature profiles of the flames were measured using laser-induced fluorescence of the OH radicals. For C
2
concentration measurements, the (0–2) vibronic transition of the
Swan band is used. The lines of this transition are located close to the HCO lines, making it possible to measure the two radical concentrations simultaneously. The C
2
concentration is highest in the ϕ=1.5 flame, and lower in the lean and heavily sooted ϕ=2.5 flames. |
| doi_str_mv | 10.1007/s00340-008-3084-5 |
| format | Article |
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2
in low-pressure acetylene/oxygen/nitrogen flames with equivalence ratios ϕ=0.8, 1.0, 1.5, 2.0 and 2.5. The flames with ϕ=2.0 and 2.5 are soot-producing, with light extinction reaching 0.1% per pass in the flame with ϕ=2.5. This strong broadband extinction does not affect the sensitivity of ICLAS, however. The temperature profiles of the flames were measured using laser-induced fluorescence of the OH radicals. For C
2
concentration measurements, the (0–2) vibronic transition of the
Swan band is used. The lines of this transition are located close to the HCO lines, making it possible to measure the two radical concentrations simultaneously. The C
2
concentration is highest in the ϕ=1.5 flame, and lower in the lean and heavily sooted ϕ=2.5 flames.</description><identifier>ISSN: 0946-2171</identifier><identifier>EISSN: 1432-0649</identifier><identifier>DOI: 10.1007/s00340-008-3084-5</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Absorption spectroscopy ; Acetylene ; Atomic and molecular physics ; Biological and medical applications ; Broadband ; Engineering ; Exact sciences and technology ; Extinction ; Fluorescence ; Fundamental areas of phenomenology (including applications) ; Laser spectroscopy ; Lasers ; Molecular properties and interactions with photons ; Molecular spectra ; Optical Devices ; Optics ; Photonics ; Physical Chemistry ; Physics ; Physics and Astronomy ; Quantum Optics ; Radicals ; Temperature profiles ; Visible spectra</subject><ispartof>Applied physics. B, Lasers and optics, 2008-08, Vol.92 (2), p.281-286</ispartof><rights>Springer-Verlag 2008</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c351t-3c8aac1db620a3fabee20325a179953dd1966a6bbd631268f317559892f92d903</citedby><cites>FETCH-LOGICAL-c351t-3c8aac1db620a3fabee20325a179953dd1966a6bbd631268f317559892f92d903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00340-008-3084-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00340-008-3084-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20539149$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Goldman, A.</creatorcontrib><creatorcontrib>Cheskis, S.</creatorcontrib><title>Intracavity laser absorption spectroscopy of sooting acetylene/air flames</title><title>Applied physics. B, Lasers and optics</title><addtitle>Appl. Phys. B</addtitle><description>Intracavity laser absorption spectroscopy (ICLAS) is used to measure the absolute concentration profiles of HCO and C
2
in low-pressure acetylene/oxygen/nitrogen flames with equivalence ratios ϕ=0.8, 1.0, 1.5, 2.0 and 2.5. The flames with ϕ=2.0 and 2.5 are soot-producing, with light extinction reaching 0.1% per pass in the flame with ϕ=2.5. This strong broadband extinction does not affect the sensitivity of ICLAS, however. The temperature profiles of the flames were measured using laser-induced fluorescence of the OH radicals. For C
2
concentration measurements, the (0–2) vibronic transition of the
Swan band is used. The lines of this transition are located close to the HCO lines, making it possible to measure the two radical concentrations simultaneously. The C
2
concentration is highest in the ϕ=1.5 flame, and lower in the lean and heavily sooted ϕ=2.5 flames.</description><subject>Absorption spectroscopy</subject><subject>Acetylene</subject><subject>Atomic and molecular physics</subject><subject>Biological and medical applications</subject><subject>Broadband</subject><subject>Engineering</subject><subject>Exact sciences and technology</subject><subject>Extinction</subject><subject>Fluorescence</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Laser spectroscopy</subject><subject>Lasers</subject><subject>Molecular properties and interactions with photons</subject><subject>Molecular spectra</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Optics</subject><subject>Radicals</subject><subject>Temperature profiles</subject><subject>Visible spectra</subject><issn>0946-2171</issn><issn>1432-0649</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsFZ_gLdcBC-xM7vJJnuU4keh4EXPy2SzKSlpNu6kQv-9KS0encsc5nlfmEeIe4QnBCgWDKAySAHKVEGZpfmFmGGmZAo6M5diBibTqcQCr8UN8xam0WU5E6tVP0Zy9NOOh6Qj9jGhikMcxjb0CQ_ejTGwC8MhCU3CIYxtv0nI-fHQ-d4vqI1J09HO8624aqhjf3fec_H1-vK5fE_XH2-r5fM6dSrHMVWuJHJYV1oCqYYq7yUomRMWxuSqrtFoTbqqaq1Q6rJRWOS5KY1sjKwNqLl4PPUOMXzvPY9217LzXUe9D3u2qAtUShvACcUT6qYfOPrGDrHdUTxYBHvUZk_a7KTNHrXZfMo8nOuJHXVNpN61_BeUkCuDmZk4eeJ4OvUbH-027GM_ff5P-S9bh3z3</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Goldman, A.</creator><creator>Cheskis, S.</creator><general>Springer-Verlag</general><general>Springer</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20080801</creationdate><title>Intracavity laser absorption spectroscopy of sooting acetylene/air flames</title><author>Goldman, A. ; Cheskis, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-3c8aac1db620a3fabee20325a179953dd1966a6bbd631268f317559892f92d903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Absorption spectroscopy</topic><topic>Acetylene</topic><topic>Atomic and molecular physics</topic><topic>Biological and medical applications</topic><topic>Broadband</topic><topic>Engineering</topic><topic>Exact sciences and technology</topic><topic>Extinction</topic><topic>Fluorescence</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Laser spectroscopy</topic><topic>Lasers</topic><topic>Molecular properties and interactions with photons</topic><topic>Molecular spectra</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Photonics</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Optics</topic><topic>Radicals</topic><topic>Temperature profiles</topic><topic>Visible spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goldman, A.</creatorcontrib><creatorcontrib>Cheskis, S.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</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>Applied physics. B, Lasers and optics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goldman, A.</au><au>Cheskis, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intracavity laser absorption spectroscopy of sooting acetylene/air flames</atitle><jtitle>Applied physics. B, Lasers and optics</jtitle><stitle>Appl. Phys. B</stitle><date>2008-08-01</date><risdate>2008</risdate><volume>92</volume><issue>2</issue><spage>281</spage><epage>286</epage><pages>281-286</pages><issn>0946-2171</issn><eissn>1432-0649</eissn><abstract>Intracavity laser absorption spectroscopy (ICLAS) is used to measure the absolute concentration profiles of HCO and C
2
in low-pressure acetylene/oxygen/nitrogen flames with equivalence ratios ϕ=0.8, 1.0, 1.5, 2.0 and 2.5. The flames with ϕ=2.0 and 2.5 are soot-producing, with light extinction reaching 0.1% per pass in the flame with ϕ=2.5. This strong broadband extinction does not affect the sensitivity of ICLAS, however. The temperature profiles of the flames were measured using laser-induced fluorescence of the OH radicals. For C
2
concentration measurements, the (0–2) vibronic transition of the
Swan band is used. The lines of this transition are located close to the HCO lines, making it possible to measure the two radical concentrations simultaneously. The C
2
concentration is highest in the ϕ=1.5 flame, and lower in the lean and heavily sooted ϕ=2.5 flames.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00340-008-3084-5</doi><tpages>6</tpages></addata></record> |
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| ispartof | Applied physics. B, Lasers and optics, 2008-08, Vol.92 (2), p.281-286 |
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| source | SpringerNature Journals |
| subjects | Absorption spectroscopy Acetylene Atomic and molecular physics Biological and medical applications Broadband Engineering Exact sciences and technology Extinction Fluorescence Fundamental areas of phenomenology (including applications) Laser spectroscopy Lasers Molecular properties and interactions with photons Molecular spectra Optical Devices Optics Photonics Physical Chemistry Physics Physics and Astronomy Quantum Optics Radicals Temperature profiles Visible spectra |
| title | Intracavity laser absorption spectroscopy of sooting acetylene/air flames |
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