{"title":"有源介质中相位共轭Nd:GGG激光器","authors":"A. Fedin, T. Basiev, A. Rulev, Ye. A. Chaschin","doi":"10.1117/12.464150","DOIUrl":null,"url":null,"abstract":"An opportunity to compensate phase and polarizing distortions of the laser radiation directly in Nd:GGG active medium and also in phototropic LiF:F2- crystal is investigated. We found that an application of modified Sagnac interferometer with passive LiF:F2- Q- switcher, located inside it, allows not only to increase stability and power of laser pulses, but also to narrow the laser oscillation spectrum. The possibility is demonstrated of generating single-mode radiation with an energy in a train of laser pulses higher than 7 J, a peak power of a single pulse in a train up to 50 kW, the spatial brightness exceeding 5 x 1010 W/cm2 x sr, and the coherence length in excess of 13 m.","PeriodicalId":194489,"journal":{"name":"International Conference on Laser and Laser Information Technologies","volume":" 30","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Perspective Nd:GGG laser with phase conjugation in active medium\",\"authors\":\"A. Fedin, T. Basiev, A. Rulev, Ye. A. Chaschin\",\"doi\":\"10.1117/12.464150\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An opportunity to compensate phase and polarizing distortions of the laser radiation directly in Nd:GGG active medium and also in phototropic LiF:F2- crystal is investigated. We found that an application of modified Sagnac interferometer with passive LiF:F2- Q- switcher, located inside it, allows not only to increase stability and power of laser pulses, but also to narrow the laser oscillation spectrum. The possibility is demonstrated of generating single-mode radiation with an energy in a train of laser pulses higher than 7 J, a peak power of a single pulse in a train up to 50 kW, the spatial brightness exceeding 5 x 1010 W/cm2 x sr, and the coherence length in excess of 13 m.\",\"PeriodicalId\":194489,\"journal\":{\"name\":\"International Conference on Laser and Laser Information Technologies\",\"volume\":\" 30\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-04-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Conference on Laser and Laser Information Technologies\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1117/12.464150\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Laser and Laser Information Technologies","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.464150","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Perspective Nd:GGG laser with phase conjugation in active medium
An opportunity to compensate phase and polarizing distortions of the laser radiation directly in Nd:GGG active medium and also in phototropic LiF:F2- crystal is investigated. We found that an application of modified Sagnac interferometer with passive LiF:F2- Q- switcher, located inside it, allows not only to increase stability and power of laser pulses, but also to narrow the laser oscillation spectrum. The possibility is demonstrated of generating single-mode radiation with an energy in a train of laser pulses higher than 7 J, a peak power of a single pulse in a train up to 50 kW, the spatial brightness exceeding 5 x 1010 W/cm2 x sr, and the coherence length in excess of 13 m.
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