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公开(公告)号：US09075183B2
公开(公告)日：2015-07-07
申请号：US13031722
申请日：2011-02-22
申请人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun , Durgesh S. Vaidya , Man F. Yan
发明人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun , Durgesh S. Vaidya , Man F. Yan
CPC分类号： G02B6/02023 , G02B6/0288 , G02B6/0365 , G02B6/14
摘要： Optical fiber designs are depicted with a core having an alpha profile inner portion and a steep vertical step between the core and a cladding with no shoulder, referred to herein as a truncated core. A further aspect of this invention can include a trench between the truncated core and cladding. In this embodiment, the core performs as not only as the primary light guiding structure, but now also functions essentially the same as that of a trench structure. Thus, what was formally a trench can now be much less negative or even positive. Another embodiment of the present invention includes an optical fiber having a truncated core with the addition of a ledge or shoulder between the core and vertical step, followed directly by a cladding.
摘要翻译： 光纤设计被描绘成具有一个具有α轮廓内部部分的芯部和在芯部和没有肩部的包层之间的陡峭的垂直台阶，在本文中称为截头的芯部。 本发明的另一方面可以包括在截顶的芯和包层之间的沟槽。 在本实施例中，芯不仅与主光导结构相同，而且与沟槽结构基本相同。 因此，正式的沟渠现在可以减少甚至是积极的。 本发明的另一实施例包括具有截头铁芯的光纤，在芯和垂直台阶之间加上凸缘或肩部，然后直接由包层。
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公开(公告)号：US20110243519A1
公开(公告)日：2011-10-06
申请号：US13031722
申请日：2011-02-22
申请人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun , Durgesh S. Vaidya , Man F. Yan
发明人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun , Durgesh S. Vaidya , Man F. Yan
CPC分类号： G02B6/02023 , G02B6/0288 , G02B6/0365 , G02B6/14
摘要： Optical fiber designs are depicted with a core having an alpha profile inner portion and a steep vertical step between the core and a cladding with no shoulder, referred to herein as a truncated core. A further aspect of this invention can include a trench between the truncated core and cladding. In this embodiment, the core performs as not only as the primary light guiding structure, but now also functions essentially the same as that of a trench structure. Thus, what was formally a trench can now be much less negative or even positive.Another embodiment of the present invention includes an optical fiber having a truncated core with the addition of a ledge or shoulder between the core and vertical step, followed directly by a cladding.
摘要翻译： 光纤设计被描绘成具有一个具有α轮廓内部部分的芯部和在芯部和没有肩部的包层之间的陡峭的垂直台阶，在本文中称为截头的芯部。 本发明的另一方面可以包括在截顶的芯和包层之间的沟槽。 在本实施例中，芯不仅与主光导结构相同，而且与沟槽结构基本相同。 因此，正式的沟渠现在可以减少甚至是积极的。 本发明的另一实施例包括具有截头铁芯的光纤，在芯和垂直台阶之间加上凸缘或肩部，然后直接由包层。
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公开(公告)号：US08737791B2
公开(公告)日：2014-05-27
申请号：US13023938
申请日：2011-02-09
申请人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun
发明人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun
CPC分类号： G02B6/0281 , G02B6/02042 , G02B6/028 , G02B6/0288 , G02B6/03616 , G02B6/03638 , G02B6/0365 , G02B6/03661
摘要： Optical fiber refractive index profile designs having an alpha core profile and a negative index trench to control bend loss, are modified by truncating the edge of the alpha core profile and adding a ledge to the truncated core. The result is low bend loss and preservation of low differential mode delay and high bandwidth.
摘要翻译： 通过截断α核心轮廓的边缘并向突出的核心添加凸缘来修改具有α芯轮廓和负折射率沟槽以控制弯曲损耗的光纤折射率分布图。 结果是低弯曲损耗和低差模延迟和高带宽的保留。
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公开(公告)号：US20110194827A1
公开(公告)日：2011-08-11
申请号：US13023938
申请日：2011-02-09
申请人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun
发明人： Xinli Jiang , Jinkee Kim , George Oulundsen , Yi Sun
IPC分类号： G02B6/028
CPC分类号： G02B6/0281 , G02B6/02042 , G02B6/028 , G02B6/0288 , G02B6/03616 , G02B6/03638 , G02B6/0365 , G02B6/03661
摘要： Optical fiber refractive index profile designs having an alpha core profile and a negative index trench to control bend loss, are modified by truncating the edge of the alpha core profile and adding a ledge to the truncated core. The result is low bend loss and preservation of low differential mode delay and high bandwidth.
摘要翻译： 通过截断α核心轮廓的边缘并向突出的核心添加凸缘来修改具有α芯轮廓和负折射率沟槽以控制弯曲损耗的光纤折射率分布图。 结果是低弯曲损耗和低差模延迟和高带宽的保留。
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公开(公告)号：US08520994B2
公开(公告)日：2013-08-27
申请号：US12583212
申请日：2009-08-17
CPC分类号： G02B6/0288 , G02B6/02023 , G02B6/0365 , G02B6/14
摘要： The specification describes multimode optical fibers with specific design parameters, i.e., controlled refractive index design ratios and dimensions, which render the optical fibers largely immune to moderately severe bends. The modal structure in the optical fibers is also largely unaffected by bending, thus leaving the optical fiber bandwidth essentially unimpaired. Bend performance results were established by DMD measurements of fibers wound on mandrels vs. measurements of fibers with no severe bends.
摘要翻译： 该说明书描述了具有特定设计参数的多模光纤，即受控的折射率设计比和尺寸，这使得光纤在很大程度上免受适度严重的弯曲。 光纤中的模态结构也在很大程度上不受弯曲的影响，从而使光纤带宽基本上不受损害。 弯曲性能结果是通过DMD测量在心轴上缠绕的纤维与没有严重弯曲的纤维测量建立的。
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公开(公告)号：US20100067858A1
公开(公告)日：2010-03-18
申请号：US12583212
申请日：2009-08-17
CPC分类号： G02B6/0288 , G02B6/02023 , G02B6/0365 , G02B6/14
摘要： The specification describes multimode optical fibers with specific design parameters, i.e., controlled refractive index design ratios and dimensions, which render the optical fibers largely immune to moderately severe bends. The modal structure in the optical fibers is also largely unaffected by bending, thus leaving the optical fiber bandwidth essentially unimpaired. Bend performance results were established by DMD measurements of fibers wound on mandrels vs. measurements of fibers with no severe bends.
摘要翻译： 该说明书描述了具有特定设计参数的多模光纤，即受控的折射率设计比和尺寸，这使得光纤在很大程度上免受适度严重的弯曲。 光纤中的模态结构也在很大程度上不受弯曲的影响，从而使光纤带宽基本上不受损害。 弯曲性能结果是通过DMD测量在心轴上缠绕的纤维与没有严重弯曲的纤维测量建立的。
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公开(公告)号：US20120183267A1
公开(公告)日：2012-07-19
申请号：US13252964
申请日：2011-10-04
IPC分类号： G02B6/028
CPC分类号： G02B6/02023 , G02B6/0288 , G02B6/0365 , G02B6/14
摘要： The specification describes multimode optical fibers with specific design parameters, i.e., controlled refractive index design ratios and dimensions, which render the optical fibers largely immune to moderately severe bends. The modal structure in the optical fibers is also largely unaffected by bending, thus leaving the optical fiber bandwidth essentially unimpaired. Bend performance results were established by DMD measurements of fibers wound on mandrels vs. measurements of fibers with no severe bends. Additional embodiments of the present invention describe an improved optical link when the inventive multimode fiber is connected to standard or conventional multimode fibers.
摘要翻译： 该说明书描述了具有特定设计参数的多模光纤，即受控的折射率设计比和尺寸，这使得光纤在很大程度上免受适度严重的弯曲。 光纤中的模态结构也在很大程度上不受弯曲的影响，从而使光纤带宽基本上不受损害。 弯曲性能结果是通过DMD测量在心轴上缠绕的纤维与没有严重弯曲的纤维测量建立的。 本发明的另外的实施例描述了当本发明的多模光纤连接到标准或常规多模光纤时的改进的光链路。
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公开(公告)号：US09568669B2
公开(公告)日：2017-02-14
申请号：US13252964
申请日：2011-10-04
CPC分类号： G02B6/02023 , G02B6/0288 , G02B6/0365 , G02B6/14
摘要： The specification describes multimode optical fibers with specific design parameters, i.e., controlled refractive index design ratios and dimensions, which render the optical fibers largely immune to moderately severe bends. The modal structure in the optical fibers is also largely unaffected by bending, thus leaving the optical fiber bandwidth essentially unimpaired. Bend performance results were established by DMD measurements of fibers wound on mandrels vs. measurements of fibers with no severe bends. Additional embodiments of the present invention describe an improved optical link when the inventive multimode fiber is connected to standard or conventional multimode fibers.
摘要翻译： 该说明书描述了具有特定设计参数的多模光纤，即受控的折射率设计比和尺寸，这使得光纤在很大程度上免受适度严重的弯曲。 光纤中的模态结构也在很大程度上不受弯曲的影响，从而使光纤带宽基本上不受损害。 弯曲性能结果是通过DMD测量在心轴上缠绕的纤维与没有严重弯曲的纤维测量建立的。 本发明的另外的实施例描述了当本发明的多模光纤连接到标准或常规多模光纤时的改进的光链路。
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