Detection of Air Pollutants with Tunable Diode Lasers
Preliminary experiments indicate that tunable Pb(1-x)Sn(x)Te diode lasers will be useful in the identification and sensitive detection of most of the atmospheric pollutant gases. For point-sampling applications, concentrations in the parts-per-billion range should be measurable with very high specif...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 1971-02, Vol.171 (3972), p.635-639 |
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| container_issue | 3972 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Hinkley, E. D. Kelley, P. L. |
| description | Preliminary experiments indicate that tunable Pb(1-x)Sn(x)Te diode lasers will be useful in the identification and sensitive detection of most of the atmospheric pollutant gases. For point-sampling applications, concentrations in the parts-per-billion range should be measurable with very high specificity. For long-range atmospheric transmission techniques, the improved resolution capability and tunability of these diode lasers make them attractive replacements for spectrometers and fixed-frequency laser sources where operation at cryogenic temperatures is not a serious impediment. By using these lasers as tunable local oscillators in the infrared heterodyne configuration, remote passive detection of gases present in smokestack effluent appears possible. Finally, pulsed operation at temperatures available with simple cryogenic coolers permits immediate application to the fast detection of gases present in automobile exhaust and in chemical processing plants. |
| doi_str_mv | 10.1126/science.171.3972.635 |
| format | Article |
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D. ; Kelley, P. L.</creator><creatorcontrib>Hinkley, E. D. ; Kelley, P. L. ; Massachusetts Institute of Technology, Lexington</creatorcontrib><description>Preliminary experiments indicate that tunable Pb(1-x)Sn(x)Te diode lasers will be useful in the identification and sensitive detection of most of the atmospheric pollutant gases. For point-sampling applications, concentrations in the parts-per-billion range should be measurable with very high specificity. For long-range atmospheric transmission techniques, the improved resolution capability and tunability of these diode lasers make them attractive replacements for spectrometers and fixed-frequency laser sources where operation at cryogenic temperatures is not a serious impediment. By using these lasers as tunable local oscillators in the infrared heterodyne configuration, remote passive detection of gases present in smokestack effluent appears possible. 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D.</creatorcontrib><creatorcontrib>Kelley, P. L.</creatorcontrib><creatorcontrib>Massachusetts Institute of Technology, Lexington</creatorcontrib><title>Detection of Air Pollutants with Tunable Diode Lasers</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Preliminary experiments indicate that tunable Pb(1-x)Sn(x)Te diode lasers will be useful in the identification and sensitive detection of most of the atmospheric pollutant gases. For point-sampling applications, concentrations in the parts-per-billion range should be measurable with very high specificity. For long-range atmospheric transmission techniques, the improved resolution capability and tunability of these diode lasers make them attractive replacements for spectrometers and fixed-frequency laser sources where operation at cryogenic temperatures is not a serious impediment. By using these lasers as tunable local oscillators in the infrared heterodyne configuration, remote passive detection of gases present in smokestack effluent appears possible. Finally, pulsed operation at temperatures available with simple cryogenic coolers permits immediate application to the fast detection of gases present in automobile exhaust and in chemical processing plants.</description><subject>500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989)</subject><subject>AIR POLLUTION</subject><subject>Air Pollution - analysis</subject><subject>AIR POLLUTION MONITORING</subject><subject>Ammonia</subject><subject>Atmospheric Pressure</subject><subject>AUTOMOBILES</subject><subject>Carbon dioxide emissions</subject><subject>CHEMICAL INDUSTRY</subject><subject>Cold Temperature</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>Ethylenes</subject><subject>EXHAUST GASES</subject><subject>FLUIDS</subject><subject>Fluorides</subject><subject>GASEOUS WASTES</subject><subject>GASES</subject><subject>Gases - analysis</subject><subject>INDUSTRY</subject><subject>Infrared Rays</subject><subject>LASERS</subject><subject>Lead</subject><subject>Methods</subject><subject>Micrometers</subject><subject>Pollutant emissions</subject><subject>Pollutants</subject><subject>POLLUTION</subject><subject>Pollution monitoring</subject><subject>REMOTE SENSING</subject><subject>SAMPLING</subject><subject>SEMICONDUCTOR DEVICES</subject><subject>Semiconductor diodes</subject><subject>SEMICONDUCTOR LASERS</subject><subject>Spectrum Analysis</subject><subject>Telluric lines</subject><subject>Tellurium</subject><subject>Tin</subject><subject>USES</subject><subject>VEHICLES</subject><subject>WASTES</subject><issn>0036-8075</issn><issn>1095-9203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1971</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9j8tqwzAUREVpSdO0f5CC6N6upKuHtQxJXxBoF-nayNINUXDsYCmU_n0NCV3N4gzDHELmnJWcC_2cfMTOY8kNL8EaUWpQV2TKmVWFFQyuyZQx0EXFjLoldyntGRuZhQmZKCUZMDElaoUZfY59R_stXcSBfvVte8quy4n-xLyjm1PnmhbpKvYB6dolHNI9udm6NuHDJWfk-_Vls3wv1p9vH8vFuvAAKhc-WJRMc9047nzjBQcWpABpNRPBCOVF8BadA9SIxlSuUsa5CllQGBzCjDydd_uUYz0Kj193vu-68XKthbXamrH0eC4dT80BQ30c4sENv_XFceTzM9-n3A__mBvgUkr4A1NOXec</recordid><startdate>19710219</startdate><enddate>19710219</enddate><creator>Hinkley, E. D.</creator><creator>Kelley, P. L.</creator><general>American Association for the Advancement of Science</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>OTOTI</scope></search><sort><creationdate>19710219</creationdate><title>Detection of Air Pollutants with Tunable Diode Lasers</title><author>Hinkley, E. D. ; Kelley, P. L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-cd9e40616ba1acbc2130d42349602d725c2dc9eaa3e6ee778a857aa8e0d5edae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1971</creationdate><topic>500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989)</topic><topic>AIR POLLUTION</topic><topic>Air Pollution - analysis</topic><topic>AIR POLLUTION MONITORING</topic><topic>Ammonia</topic><topic>Atmospheric Pressure</topic><topic>AUTOMOBILES</topic><topic>Carbon dioxide emissions</topic><topic>CHEMICAL INDUSTRY</topic><topic>Cold Temperature</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Ethylenes</topic><topic>EXHAUST GASES</topic><topic>FLUIDS</topic><topic>Fluorides</topic><topic>GASEOUS WASTES</topic><topic>GASES</topic><topic>Gases - analysis</topic><topic>INDUSTRY</topic><topic>Infrared Rays</topic><topic>LASERS</topic><topic>Lead</topic><topic>Methods</topic><topic>Micrometers</topic><topic>Pollutant emissions</topic><topic>Pollutants</topic><topic>POLLUTION</topic><topic>Pollution monitoring</topic><topic>REMOTE SENSING</topic><topic>SAMPLING</topic><topic>SEMICONDUCTOR DEVICES</topic><topic>Semiconductor diodes</topic><topic>SEMICONDUCTOR LASERS</topic><topic>Spectrum Analysis</topic><topic>Telluric lines</topic><topic>Tellurium</topic><topic>Tin</topic><topic>USES</topic><topic>VEHICLES</topic><topic>WASTES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hinkley, E. D.</creatorcontrib><creatorcontrib>Kelley, P. L.</creatorcontrib><creatorcontrib>Massachusetts Institute of Technology, Lexington</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>OSTI.GOV</collection><jtitle>Science (American Association for the Advancement of Science)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hinkley, E. D.</au><au>Kelley, P. L.</au><aucorp>Massachusetts Institute of Technology, Lexington</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Detection of Air Pollutants with Tunable Diode Lasers</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>1971-02-19</date><risdate>1971</risdate><volume>171</volume><issue>3972</issue><spage>635</spage><epage>639</epage><pages>635-639</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><abstract>Preliminary experiments indicate that tunable Pb(1-x)Sn(x)Te diode lasers will be useful in the identification and sensitive detection of most of the atmospheric pollutant gases. For point-sampling applications, concentrations in the parts-per-billion range should be measurable with very high specificity. For long-range atmospheric transmission techniques, the improved resolution capability and tunability of these diode lasers make them attractive replacements for spectrometers and fixed-frequency laser sources where operation at cryogenic temperatures is not a serious impediment. By using these lasers as tunable local oscillators in the infrared heterodyne configuration, remote passive detection of gases present in smokestack effluent appears possible. Finally, pulsed operation at temperatures available with simple cryogenic coolers permits immediate application to the fast detection of gases present in automobile exhaust and in chemical processing plants.</abstract><cop>United States</cop><pub>American Association for the Advancement of Science</pub><pmid>5540302</pmid><doi>10.1126/science.171.3972.635</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 1971-02, Vol.171 (3972), p.635-639 |
| issn | 0036-8075 1095-9203 |
| language | eng |
| recordid | cdi_pubmed_primary_5540302 |
| source | American Association for the Advancement of Science; Jstor Complete Legacy; MEDLINE |
| subjects | 500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989) AIR POLLUTION Air Pollution - analysis AIR POLLUTION MONITORING Ammonia Atmospheric Pressure AUTOMOBILES Carbon dioxide emissions CHEMICAL INDUSTRY Cold Temperature ENVIRONMENTAL SCIENCES Ethylenes EXHAUST GASES FLUIDS Fluorides GASEOUS WASTES GASES Gases - analysis INDUSTRY Infrared Rays LASERS Lead Methods Micrometers Pollutant emissions Pollutants POLLUTION Pollution monitoring REMOTE SENSING SAMPLING SEMICONDUCTOR DEVICES Semiconductor diodes SEMICONDUCTOR LASERS Spectrum Analysis Telluric lines Tellurium Tin USES VEHICLES WASTES |
| title | Detection of Air Pollutants with Tunable Diode Lasers |
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