{"title":"Flashlamp-pumped Nd:KGW Laser at 1.06 and 135 μm in free-running and Q-switched mode. Results in MOPA configuration.","authors":"O. Musset, J. Boquillon","doi":"10.1364/cleo_europe.1998.cwf4","DOIUrl":null,"url":null,"abstract":"Neodimium-doped Potassium-Gadolinium Tungstate crystal KGd(W04)2 or Nd:KGW is a crystal whose structure allows high Nd doping (3 to 8%) without detrimental concentration quenching. In this way it can compete with Nd:YAG in terms of optical gain, despite a poorer thermal conductivity. We present here the results obtained at repetition rates up to 60 Hz. We tested several Nd:KGW rods from two different furnishers, with the same dimensions ( 6.35 x 76 mm) and different Nd dopant levels (from 2.8 to 8 at.%). The end faces were either flat/flat, parallel and AR-coated at 1.06 μm for the 1.06 μm emission or tilted (1°) and AR-coated for 1.06 and 1.35 μm for the 1.35 μm emission?","PeriodicalId":10610,"journal":{"name":"Conference on Lasers and Electro-Optics Europe","volume":"134 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference on Lasers and Electro-Optics Europe","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/cleo_europe.1998.cwf4","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Neodimium-doped Potassium-Gadolinium Tungstate crystal KGd(W04)2 or Nd:KGW is a crystal whose structure allows high Nd doping (3 to 8%) without detrimental concentration quenching. In this way it can compete with Nd:YAG in terms of optical gain, despite a poorer thermal conductivity. We present here the results obtained at repetition rates up to 60 Hz. We tested several Nd:KGW rods from two different furnishers, with the same dimensions ( 6.35 x 76 mm) and different Nd dopant levels (from 2.8 to 8 at.%). The end faces were either flat/flat, parallel and AR-coated at 1.06 μm for the 1.06 μm emission or tilted (1°) and AR-coated for 1.06 and 1.35 μm for the 1.35 μm emission?
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