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公开(公告)号:US08941912B2
公开(公告)日:2015-01-27
申请号:US13020604
申请日:2011-02-03
申请人: Shoji Tanigawa , Teruno Nakaguma , Tomofumi Arai , Kentaro Ichii
发明人: Shoji Tanigawa , Teruno Nakaguma , Tomofumi Arai , Kentaro Ichii
CPC分类号: G02B6/02 , C03C13/046 , G02B6/02395 , G02B6/024 , G02B6/0285 , G02B6/03611 , G02B6/03633 , G02B6/03638 , G02B6/03644 , G02B6/0365 , G02B6/03661 , H01S3/06708 , H01S3/06716 , H01S3/0672 , H01S3/06729 , H01S3/06737 , H01S3/1618 , H01S3/1691 , H01S3/1693
摘要: An ytterbium-doped optical fiber includes: a core which contains at least ytterbium, aluminum, and phosphorus; and a cladding which encircles the core, wherein an aluminum oxide equivalent concentration of the aluminum in the core is 0.2 mol % or more, a diphosphorus pentaoxide equivalent concentration of the phosphorus is higher than the aluminum oxide equivalent concentration, and the core either does not contain germanium or contains less than 1.1 mol % of germanium in a germanium dioxide equivalent concentration.
摘要翻译: 镱掺杂光纤包括:至少包含镱,铝和磷的芯; 以及围绕芯的包层,芯中的铝的氧化铝当量浓度为0.2摩尔%以上,磷的五氧化二磷当量浓度高于氧化铝当量浓度,芯不会 含有锗或含有少于1.1摩尔%的二氧化锗当量浓度的锗。
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公开(公告)号:US08774590B2
公开(公告)日:2014-07-08
申请号:US13097563
申请日:2011-04-29
申请人: Kentaro Ichii , Shoji Tanigawa , Tomofumi Arai
发明人: Kentaro Ichii , Shoji Tanigawa , Tomofumi Arai
CPC分类号: H01S3/06716 , C03C2201/28 , H01S3/06733 , H01S3/06754 , H01S3/1618 , H01S3/1693 , H01S3/175 , H01S3/302
摘要: Provided is an ytterbium-doped optical fiber including a core containing at least ytterbium, aluminum and phosphorous and a clad surrounding the core, wherein a molar concentration of diphosphorus pentoxide with respect to phosphorus in the core is equal to a molar concentration of aluminum oxide with respect to aluminum in the core, wherein a ratio of a molar concentration of diphosphorus pentoxide with respect to phosphorus in the core to the molar concentration of ytterbium oxide with respect to ytterbium in the core is higher than or equal to 10 and lower than or equal to 30, and wherein a relative refractive index difference between the core and the clad is higher than or equal to 0.05% and lower than or equal to 0.30%.
摘要翻译: 提供了一种掺镱光纤,其包括至少含有镱,铝和磷的芯和围绕芯的包层,其中五氧化二磷相对于芯中的磷的摩尔浓度等于氧化铝与 相对于芯中的铝,其中五氧化二磷的摩尔浓度相对于芯中的磷的比例相对于芯中的镱的氧化镱的摩尔浓度的比例高于或等于10并且小于或等于 至30,并且其中所述芯和所述包层之间的相对折射率差高于或等于0.05%且低于或等于0.30%。
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