{"title":"两束耦合耦合波理论中的波束扇动","authors":"M. Ewbank, F. Vachss, R. A. Vazquez","doi":"10.1364/pmed.1991.mb3","DOIUrl":null,"url":null,"abstract":"Simple coupled-wave theory1,2 accounts for depletion of the pump beam due to energy transfer (i.e., amplification) to the probe beam. Ignoring absorption, the probe gain g can be expressed as1 where I1(0) is the incident probe intensity, Γ is the two-beam-coupling coefficient and rpp is the incident pump-to-probe beam ratio given by (2) with I2(0) being the incident pump intensity.","PeriodicalId":355924,"journal":{"name":"Photorefractive Materials, Effects, and Devices","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Beam Fanning in Coupled-Wave Theory of 2-Beam Coupling\",\"authors\":\"M. Ewbank, F. Vachss, R. A. Vazquez\",\"doi\":\"10.1364/pmed.1991.mb3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Simple coupled-wave theory1,2 accounts for depletion of the pump beam due to energy transfer (i.e., amplification) to the probe beam. Ignoring absorption, the probe gain g can be expressed as1 where I1(0) is the incident probe intensity, Γ is the two-beam-coupling coefficient and rpp is the incident pump-to-probe beam ratio given by (2) with I2(0) being the incident pump intensity.\",\"PeriodicalId\":355924,\"journal\":{\"name\":\"Photorefractive Materials, Effects, and Devices\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Photorefractive Materials, Effects, and Devices\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1364/pmed.1991.mb3\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Photorefractive Materials, Effects, and Devices","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/pmed.1991.mb3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Beam Fanning in Coupled-Wave Theory of 2-Beam Coupling
Simple coupled-wave theory1,2 accounts for depletion of the pump beam due to energy transfer (i.e., amplification) to the probe beam. Ignoring absorption, the probe gain g can be expressed as1 where I1(0) is the incident probe intensity, Γ is the two-beam-coupling coefficient and rpp is the incident pump-to-probe beam ratio given by (2) with I2(0) being the incident pump intensity.
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