F. Marc, I. Moldovan, H. G. D. Chatellus, V. Fesquet, J. Pique
{"title":"High power modeless lasers for sodium laser guide stars","authors":"F. Marc, I. Moldovan, H. G. D. Chatellus, V. Fesquet, J. Pique","doi":"10.1051/ANPHYS:2008013","DOIUrl":null,"url":null,"abstract":"An increasing number of adaptive optics systems in astronomy uses a sodium Laser Guide Star (LGS). The analysis of the distorsion of the return fluorescence requires high power lasers. We expose here two modeless laser amplifiers, based on a longitudinaly pumped 1 cm-long dye cell: the first one is a 4-pass amplifier at 589 nm pumped at 532 nm and the second one is a 4-pass amplifier at 660 nm pomped at 511 and 578 nm. These systems correspond respectively to the monochromatic and the polychromatic laser guide stars.","PeriodicalId":50779,"journal":{"name":"Annales De Physique","volume":"27 1","pages":"83-85"},"PeriodicalIF":0.0000,"publicationDate":"2007-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annales De Physique","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1051/ANPHYS:2008013","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
An increasing number of adaptive optics systems in astronomy uses a sodium Laser Guide Star (LGS). The analysis of the distorsion of the return fluorescence requires high power lasers. We expose here two modeless laser amplifiers, based on a longitudinaly pumped 1 cm-long dye cell: the first one is a 4-pass amplifier at 589 nm pumped at 532 nm and the second one is a 4-pass amplifier at 660 nm pomped at 511 and 578 nm. These systems correspond respectively to the monochromatic and the polychromatic laser guide stars.
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