Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths
Extinction by a cloud consisting of many aerosol particles has been found to fall into two distinct wavelength regions which are adequately described by the geometric optics theory and the Rayleigh theory. Because the cloud consists of many different particles, the narrow extinction resonance struct...
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description | Extinction by a cloud consisting of many aerosol particles has been found to fall into two distinct wavelength regions which are adequately described by the geometric optics theory and the Rayleigh theory. Because the cloud consists of many different particles, the narrow extinction resonance structure of individual particles is lost, and extinction is governed by shape and size as predicted by geometric optics. At longer wavelengths, particles are in the Rayleigh region, and extinction for a large variety of particle shapes is predicted by the Rayleigh ellipsoidal theory. The transition region lying between the applicability of these two simple theories occupies only about one wavelength decade. |
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fullrecord | <record><control><sourceid>dtic_1RU</sourceid><recordid>TN_cdi_dtic_stinet_ADA113535</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>ADA113535</sourcerecordid><originalsourceid>FETCH-dtic_stinet_ADA1135353</originalsourceid><addsrcrecordid>eNrjZPB3rSjJzEsuyczPU0iqVHBMLcovzs9RcM7JL00pVshPU_DLzysuyEgtykxOzFEISCwqyUzOSS1WSCxRcCxKyiwpSiyqVAhPLEvNSc1LL8ko5mFgTUvMKU7lhdLcDDJuriHOHropQI3xxUC7UkviHV0cDQ2NTYGQgDQAOTM0JA</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>report</recordtype></control><display><type>report</type><title>Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths</title><source>DTIC Technical Reports</source><creator>Embury,Janon F</creator><creatorcontrib>Embury,Janon F ; ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND ABERDEEN PROVING GROUND MD CHEMICAL SYSTEMS LAB</creatorcontrib><description>Extinction by a cloud consisting of many aerosol particles has been found to fall into two distinct wavelength regions which are adequately described by the geometric optics theory and the Rayleigh theory. Because the cloud consists of many different particles, the narrow extinction resonance structure of individual particles is lost, and extinction is governed by shape and size as predicted by geometric optics. At longer wavelengths, particles are in the Rayleigh region, and extinction for a large variety of particle shapes is predicted by the Rayleigh ellipsoidal theory. The transition region lying between the applicability of these two simple theories occupies only about one wavelength decade.</description><language>eng</language><subject>Aerosols ; AS554 ; Clouds ; Ellipsoids ; Extinction ; Geometry ; Optics ; Particles ; PE62622A ; Rayleigh scattering ; Refractive index ; Wavelength</subject><creationdate>1982</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,27567,27568</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA113535$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Embury,Janon F</creatorcontrib><creatorcontrib>ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND ABERDEEN PROVING GROUND MD CHEMICAL SYSTEMS LAB</creatorcontrib><title>Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths</title><description>Extinction by a cloud consisting of many aerosol particles has been found to fall into two distinct wavelength regions which are adequately described by the geometric optics theory and the Rayleigh theory. Because the cloud consists of many different particles, the narrow extinction resonance structure of individual particles is lost, and extinction is governed by shape and size as predicted by geometric optics. At longer wavelengths, particles are in the Rayleigh region, and extinction for a large variety of particle shapes is predicted by the Rayleigh ellipsoidal theory. The transition region lying between the applicability of these two simple theories occupies only about one wavelength decade.</description><subject>Aerosols</subject><subject>AS554</subject><subject>Clouds</subject><subject>Ellipsoids</subject><subject>Extinction</subject><subject>Geometry</subject><subject>Optics</subject><subject>Particles</subject><subject>PE62622A</subject><subject>Rayleigh scattering</subject><subject>Refractive index</subject><subject>Wavelength</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1982</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZPB3rSjJzEsuyczPU0iqVHBMLcovzs9RcM7JL00pVshPU_DLzysuyEgtykxOzFEISCwqyUzOSS1WSCxRcCxKyiwpSiyqVAhPLEvNSc1LL8ko5mFgTUvMKU7lhdLcDDJuriHOHropQI3xxUC7UkviHV0cDQ2NTYGQgDQAOTM0JA</recordid><startdate>198203</startdate><enddate>198203</enddate><creator>Embury,Janon F</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>198203</creationdate><title>Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths</title><author>Embury,Janon F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA1135353</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Aerosols</topic><topic>AS554</topic><topic>Clouds</topic><topic>Ellipsoids</topic><topic>Extinction</topic><topic>Geometry</topic><topic>Optics</topic><topic>Particles</topic><topic>PE62622A</topic><topic>Rayleigh scattering</topic><topic>Refractive index</topic><topic>Wavelength</topic><toplevel>online_resources</toplevel><creatorcontrib>Embury,Janon F</creatorcontrib><creatorcontrib>ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND ABERDEEN PROVING GROUND MD CHEMICAL SYSTEMS LAB</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Embury,Janon F</au><aucorp>ARMY ARMAMENT RESEARCH AND DEVELOPMENT COMMAND ABERDEEN PROVING GROUND MD CHEMICAL SYSTEMS LAB</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths</btitle><date>1982-03</date><risdate>1982</risdate><abstract>Extinction by a cloud consisting of many aerosol particles has been found to fall into two distinct wavelength regions which are adequately described by the geometric optics theory and the Rayleigh theory. Because the cloud consists of many different particles, the narrow extinction resonance structure of individual particles is lost, and extinction is governed by shape and size as predicted by geometric optics. At longer wavelengths, particles are in the Rayleigh region, and extinction for a large variety of particle shapes is predicted by the Rayleigh ellipsoidal theory. The transition region lying between the applicability of these two simple theories occupies only about one wavelength decade.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | Aerosols AS554 Clouds Ellipsoids Extinction Geometry Optics Particles PE62622A Rayleigh scattering Refractive index Wavelength |
title | Extinction by Aerosol Clouds of Nonspherical Particles at Arbitrary Wavelengths |
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