{"title":"超辐射对光抽运分子红外吸收和振动温度的影响","authors":"Gyeong-il Kweon , N.M. Lawandy , A.S.L. Gomes","doi":"10.1016/0020-0891(93)90121-M","DOIUrl":null,"url":null,"abstract":"<div><p>Using controlled feedback and coincident far infrared absorption, we have shown that the superradiant emission process in NH<sub>3</sub> pumped by the 9R16 line of a CO<sub>2</sub> TEA laser has a marked effect on the absorption of laser energy and vibrational heating of the gas. Since many polyatomic molecules pumped by IR laser are efficient superradiant far infrared sources, the effect is important for laser induced fluorescence studies in these polyatomics.</p></div>","PeriodicalId":81524,"journal":{"name":"Infrared physics","volume":"34 6","pages":"Pages 629-634"},"PeriodicalIF":0.0000,"publicationDate":"1993-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-0891(93)90121-M","citationCount":"0","resultStr":"{\"title\":\"Superradiance effects on the infrared absorption and vibrational temperature of optically pumped molecules\",\"authors\":\"Gyeong-il Kweon , N.M. Lawandy , A.S.L. Gomes\",\"doi\":\"10.1016/0020-0891(93)90121-M\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Using controlled feedback and coincident far infrared absorption, we have shown that the superradiant emission process in NH<sub>3</sub> pumped by the 9R16 line of a CO<sub>2</sub> TEA laser has a marked effect on the absorption of laser energy and vibrational heating of the gas. Since many polyatomic molecules pumped by IR laser are efficient superradiant far infrared sources, the effect is important for laser induced fluorescence studies in these polyatomics.</p></div>\",\"PeriodicalId\":81524,\"journal\":{\"name\":\"Infrared physics\",\"volume\":\"34 6\",\"pages\":\"Pages 629-634\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0020-0891(93)90121-M\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Infrared physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/002008919390121M\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Infrared physics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/002008919390121M","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Superradiance effects on the infrared absorption and vibrational temperature of optically pumped molecules
Using controlled feedback and coincident far infrared absorption, we have shown that the superradiant emission process in NH3 pumped by the 9R16 line of a CO2 TEA laser has a marked effect on the absorption of laser energy and vibrational heating of the gas. Since many polyatomic molecules pumped by IR laser are efficient superradiant far infrared sources, the effect is important for laser induced fluorescence studies in these polyatomics.
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