{"title":"粉末的拉曼光谱:光吸收和散射的影响","authors":"David N. Waters","doi":"10.1016/0584-8539(94)80196-7","DOIUrl":null,"url":null,"abstract":"<div><p>New expressions are derived from Kubelka—Munk theory to describe the Raman intensities observed by back-scattering from powder samples. The equations relate the Raman intensity to the diffuse reflectance <em>R</em><sub>∞</sub> of the sample for two cases: (i) for a series of samples having constant values of the scattering coefficient, <em>s</em>, but which vary in their values of the absorption coefficient, <em>k</em>; and (ii) for a series of samples having constant values of <em>k</em>, but differing in their values of <em>s</em>. The predicted intensity dependences are compared with the results of experiment.</p></div>","PeriodicalId":82782,"journal":{"name":"Spectrochimica acta. Part A: Molecular spectroscopy","volume":"50 11","pages":"Pages 1833-1840"},"PeriodicalIF":0.0000,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0584-8539(94)80196-7","citationCount":"33","resultStr":"{\"title\":\"Raman spectroscopy of powders: Effects of light absorption and scattering\",\"authors\":\"David N. Waters\",\"doi\":\"10.1016/0584-8539(94)80196-7\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>New expressions are derived from Kubelka—Munk theory to describe the Raman intensities observed by back-scattering from powder samples. The equations relate the Raman intensity to the diffuse reflectance <em>R</em><sub>∞</sub> of the sample for two cases: (i) for a series of samples having constant values of the scattering coefficient, <em>s</em>, but which vary in their values of the absorption coefficient, <em>k</em>; and (ii) for a series of samples having constant values of <em>k</em>, but differing in their values of <em>s</em>. The predicted intensity dependences are compared with the results of experiment.</p></div>\",\"PeriodicalId\":82782,\"journal\":{\"name\":\"Spectrochimica acta. Part A: Molecular spectroscopy\",\"volume\":\"50 11\",\"pages\":\"Pages 1833-1840\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0584-8539(94)80196-7\",\"citationCount\":\"33\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Spectrochimica acta. Part A: Molecular spectroscopy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0584853994801967\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Spectrochimica acta. Part A: Molecular spectroscopy","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0584853994801967","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Raman spectroscopy of powders: Effects of light absorption and scattering
New expressions are derived from Kubelka—Munk theory to describe the Raman intensities observed by back-scattering from powder samples. The equations relate the Raman intensity to the diffuse reflectance R∞ of the sample for two cases: (i) for a series of samples having constant values of the scattering coefficient, s, but which vary in their values of the absorption coefficient, k; and (ii) for a series of samples having constant values of k, but differing in their values of s. The predicted intensity dependences are compared with the results of experiment.
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