{"title":"Diode-Pumped Passively Q-switched Nd: YLF 1.053μm Laser by Using Cr4+:YAG as a Saturable Absorber","authors":"Dal-Young Kim, Wentao Hu","doi":"10.1364/sslma.1997.fb5","DOIUrl":null,"url":null,"abstract":"Q-switching of the solid-state lasers is important because it provides short duration optical pulses required for laser ranging, nonlinear studies, medicine, and other important applications. The method chosen to switch the Q of the laser cavity greatly influences the size and complexity of the system. Passive Q-switch employing a solid-state saturable absorber is economical, simple and practical. Recently, tetravalent-chromium doped crystals such as Cr4+:YAG, Cr4+:GSGG, Cr4+:Mg2SiO4 and Cr4+:YSGG have been developed, some of them can replace conventional color-center crystals as the saturable absorbers for neodymium lasers.1-4 Unlike the F2- center in LiF crystal, Cr4+ in these crystalline hosts is formed in the specific growth process, therefore it has better long-term stability.","PeriodicalId":348889,"journal":{"name":"Solid State Lasers: Materials and Applications","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Solid State Lasers: Materials and Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/sslma.1997.fb5","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
Q-switching of the solid-state lasers is important because it provides short duration optical pulses required for laser ranging, nonlinear studies, medicine, and other important applications. The method chosen to switch the Q of the laser cavity greatly influences the size and complexity of the system. Passive Q-switch employing a solid-state saturable absorber is economical, simple and practical. Recently, tetravalent-chromium doped crystals such as Cr4+:YAG, Cr4+:GSGG, Cr4+:Mg2SiO4 and Cr4+:YSGG have been developed, some of them can replace conventional color-center crystals as the saturable absorbers for neodymium lasers.1-4 Unlike the F2- center in LiF crystal, Cr4+ in these crystalline hosts is formed in the specific growth process, therefore it has better long-term stability.
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