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51. 发明授权

US06873776B2 Waveguide fiber for dispersion and slope compensation 失效
标题翻译：波导光纤用于色散和斜率补偿
公开(公告)号：US06873776B2
公开(公告)日：2005-03-29
申请号：US10044455
申请日：2002-01-11
申请人： Ming-Jun Li , Daniel A. Nolan , Gang Qi
发明人： Ming-Jun Li , Daniel A. Nolan , Gang Qi
IPC分类号： H04B10/18 , G02B6/22 , G02B6/16 , G02B6/18
CPC分类号： G02B6/02261 , G02B6/02009 , G02B6/0228 , G02B6/03611 , G02B6/03644 , G02B6/03666 , H04B10/2525
摘要： Disclosed is a total dispersion and total dispersion slope compensating optical waveguide fiber. The refractive index profile of the compensating waveguide fiber includes a core region having a central segment and two surrounding annular segments. In an embodiment of the compensating waveguide fiber, a first clad layer adjacent the core region has a refractive index lower than that of a second clad layer adjacent the first clad layer. The optical waveguide fiber in accord with the invention has negative total dispersion and negative total dispersion slope over the operating window of the fiber to be compensated. The invention includes a compensated optical waveguide fiber span which includes a high performance waveguide fiber and a compensating waveguide fiber in accord with the invention.
摘要翻译：公开了总色散和总色散斜率补偿光波导光纤。补偿波导光纤的折射率分布包括具有中心段和两个周围环形段的芯区域。在补偿波导光纤的实施例中，与芯区相邻的第一覆盖层的折射率低于与第一覆盖层相邻的第二覆盖层的折射率。根据本发明的光波导纤维在要补偿的光纤的操作窗口上具有负的总色散和负的总色散斜率。本发明包括补偿光波导，其包括符合本发明的高性能波导光纤和补偿波导光纤。

52. 发明授权

US08428415B2 Bend insensitive optical fibers with low refractive index glass rings 有权
$Bend insensitive optical fibers with low refractive index glass rings$
标题翻译：具有低折射率玻璃环的弯曲不敏感光纤
公开(公告)号：US08428415B2
公开(公告)日：2013-04-23
申请号：US12351221
申请日：2009-01-09
申请人： Xin Chen , Ming-Jun Li , Anping Liu
发明人： Xin Chen , Ming-Jun Li , Anping Liu
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/03605 , G02B6/03633 , Y10T428/2962
摘要： An optical fiber includes a silica-based glass portion having an outer diameter of less than about 120 μm. The glass portion comprises a core, an inner cladding and a low index ring. The core comprises an index of refraction n1, and a relative refractive index percent Δ1% relative to pure silica glass. The inner cladding surrounds the core and comprises an index of refraction n2, a radial thickness of less than about 40 μm and a relative refractive index percent Δ2% relative to pure silica glass, wherein Δ1%>Δ2% and the difference between Δ1% and Δ2% is greater than 0.1%. The low index ring surrounds the inner cladding and comprises boron and fluorine, a radial thickness of less than about 20 μm, an index of refraction n3 and a third relative refractive index percent Δ3% relative to pure silica glass, wherein Δ2%>Δ3% and Δ3% is less than −0.5%.
摘要翻译：光纤包括外径小于约120μm的二氧化硅基玻璃部分。玻璃部分包括芯，内包层和低折射率环。芯包括折射率n1，相对于纯石英玻璃的相对折射率百分比Δ1％。内部包层围绕芯部并且包括折射率n2，小于约40μm的径向厚度和相对于纯石英玻璃的相对折射率百分比Δ2％，其中Delta1％> Delta2％，Delta1％和 Delta2％大于0.1％。低折射率环围绕内包层并且包括硼和氟，相对于纯二氧化硅玻璃的径向厚度小于约20μm，折射率n3和第三相对折射率百分比Δ3％，其中Delta2％> Delta3％而Delta3％小于-0.5％。

53. 发明申请

US20130047676A1 METHOD FOR PRODUCING OPTICAL FIBER HAVING CONTROLLED PERTURBATIONS 有权
标题翻译：用于生产具有控制性刺激的光纤的方法
公开(公告)号：US20130047676A1
公开(公告)日：2013-02-28
申请号：US13587091
申请日：2012-08-16
申请人： Xin Chen , Charles Frederick Laing , Ming-Jun Li , Anping Liu , Eric John Mozdy , Joseph Doull Thaler
发明人： Xin Chen , Charles Frederick Laing , Ming-Jun Li , Anping Liu , Eric John Mozdy , Joseph Doull Thaler
IPC分类号： C03B37/025
CPC分类号： C03B37/02745 , C03B37/02763 , C03B2203/06 , C03B2203/18 , C03B2203/20 , Y02P40/57
摘要： A method for producing an optical fiber is provided. The method includes the steps of drawing an optical fiber from a heated glass source in a furnace and introducing index perturbations to the optical fiber via a plurality of perturbation sources arranged at a plurality of different azimuthal locations. The index perturbations are introduced synchronously at different locations along the axial length of the fiber by the plurality of perturbation sources in a generally helical pattern on the outside surface of the fiber in one embodiment. According to another embodiment, the index perturbations are introduced by the plurality of perturbation sources at different frequencies.
摘要翻译：提供一种光纤的制造方法。该方法包括以下步骤：在炉中从加热的玻璃源中拉出光纤，并且通过布置在多个不同方位位置处的多个扰动源将折射率扰动引入光纤。在一个实施例中，通过多个扰动源以纤维的外表面上的大致螺旋图案沿着纤维的轴向长度在不同位置同时引入折射率扰动。根据另一实施例，索引扰动由多个扰动源以不同的频率引入。

54. 发明申请

US20120123702A1 System and Method for Simultaneously Determining Strain and Temperature Characteristics of an Object 有权
标题翻译：同时确定物体的应变和温度特性的系统和方法
公开(公告)号：US20120123702A1
公开(公告)日：2012-05-17
申请号：US12947066
申请日：2010-11-16
申请人： Xin Chen , Ming-Jun Li , Anping Li , Daniel Aloysius Nolan
发明人： Xin Chen , Ming-Jun Li , Anping Li , Daniel Aloysius Nolan
IPC分类号： G06F19/00 , G01K13/00 , G01L1/00
CPC分类号： G01L1/243 , G01K11/32 , G01K2011/322 , G01L1/242
摘要： A system for simultaneously determining strain and temperature characteristics of an object comprising: (i) at least one optical fiber having at least two Brillouin peaks; (ii) at least one connector securing the optical fiber to the object to be monitored; (iii) a laser positioned to provide laser light to said at least one optical fiber; (iv) a device measuring frequencies of said at least two Brillouin peaks, and determining frequency shifts of said at least two Brillouin peaks for said at least one optical fiber along the length of fiber; and (v) a system calculating strain and temperature characteristics along said fiber, based on the coefficients of strain and temperature as well as the measured Brillouin frequency shifts for said optical fiber along the length of said optical fiber.
摘要翻译：一种用于同时确定物体的应变和温度特性的系统，包括：（i）至少一个具有至少两个布里渊峰的光纤; （ii）至少一个将光纤固定到待监测对象的连接器; （iii）定位成向所述至少一个光纤提供激光的激光器; （iv）测量所述至少两个布里渊峰的频率的装置，以及确定沿所述光纤长度的所述至少一个光纤的所述至少两个布里渊峰的频移; 以及（v）基于应变和温度的系数以及所述光纤沿着所述光纤的长度测量的布里渊频移的系统来计算沿着所述光纤的应变和温度特性的系统。

55. 发明授权

US07947945B2 Fiber optic sensing system, method of using such and sensor fiber 有权
标题翻译：光纤传感系统，使用这种传感器光纤的方法
公开(公告)号：US07947945B2
公开(公告)日：2011-05-24
申请号：US12393415
申请日：2009-02-26
申请人： Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Daniel Aloysius Nolan
发明人： Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Daniel Aloysius Nolan
IPC分类号： G02B6/00 , G01N21/00
CPC分类号： G02B6/02333 , G01D5/35358 , G01L1/242 , G01M11/083 , G02B6/02366 , G02B6/0365
摘要： An embodiment of a sensor fiber includes: at least two fiber sections with a plurality of holes; and at least one other fiber section situated between said at least two fiber sections, wherein the at least one other fiber sections being without the plurality of holes.
摘要翻译：传感器光纤的一个实施例包括：具有多个孔的至少两个光纤部分; 以及位于所述至少两个纤维部分之间的至少一个其它纤维部分，其中所述至少一个其它纤维部分没有多个孔。

56. 发明申请

US20100040336A1 Multimode Fiber With At Least Dual Cladding 有权
标题翻译：多模光纤至少双层包层
公开(公告)号：US20100040336A1
公开(公告)日：2010-02-18
申请号：US12534410
申请日：2009-08-03
申请人： Xin Chen , Ming-Jun Li , Daniel Aloysius Nolan
发明人： Xin Chen , Ming-Jun Li , Daniel Aloysius Nolan
IPC分类号： G02B6/028
CPC分类号： G02B6/03627 , G02B6/02214 , G02B6/0281 , G02B6/0288 , G02B6/03644 , G02B6/03666 , G02B6/03688
摘要： Multimode optical fiber is disclosed herein having a core surrounded by first and second annular cladding regions. The second annular cladding region has a maximum relative refractive index that is at least 0.05% higher than the minimum relative refractive index of the first annular cladding region.
摘要翻译：本文公开的多模光纤具有被第一和第二环形包层区包围的芯。第二环形包层区域具有比第一环形包层区域的最小相对折射率高至少0.05％的最大相对折射率。

57. 发明授权

US07317855B2 Method of imparting twist to optical fiber 失效
标题翻译：赋予光纤扭转的方法
公开(公告)号：US07317855B2
公开(公告)日：2008-01-08
申请号：US11015509
申请日：2004-12-16
申请人： Xin Chen , Ming-Jun Li , Nicol A. Heron , Jeanne L. Swecker , Naiyue Zhou
发明人： Xin Chen , Ming-Jun Li , Nicol A. Heron , Jeanne L. Swecker , Naiyue Zhou
IPC分类号： G02B6/02
CPC分类号： C03B37/02745 , C03B37/032 , C03B37/12 , C03B2203/19 , C03B2203/36 , C03B2205/06 , G02B6/02285 , G02B6/278
摘要： A method for producing low-PMD fiber, in which a glass fiber is drawn from an optical fiber perform by a tractor which pulls such optical fiber from said perform; subsequent to said tractor pulling the fiber is twisted about its axis to increase the magnitude of twist which is imparted to said fiber. The fiber is then wound onto a fiber storage spool such that at least a portion of the twist imparted to said optical fiber is retained while said fiber is wound on said spool.
摘要翻译：一种生产低PMD纤维的方法，其中玻璃纤维从由所述表面拉动这种光纤的拖拉机执行的光纤中拉出; 在所述拖拉机拉动之后，纤维围绕其轴线扭曲以增加赋予所述纤维的捻度的大小。然后将纤维卷绕到纤维储存卷轴上，使得当所述纤维缠绕在所述卷轴上时，赋予所述光纤的扭曲的至少一部分被保持。

58. 发明授权

US07228039B2 High SBS threshold optical fiber with fluorine dopant 失效
标题翻译：具有氟掺杂剂的高SBS阈值光纤
公开(公告)号：US07228039B2
公开(公告)日：2007-06-05
申请号：US11450785
申请日：2006-06-08
申请人： Scott Robertson Bickham , Xin Chen , Ming-Jun Li , Donnell Thaddeus Walton
发明人： Scott Robertson Bickham , Xin Chen , Ming-Jun Li , Donnell Thaddeus Walton
IPC分类号： G02B6/02
CPC分类号： G02B6/0281 , G02B6/02014 , G02B6/02266 , G02B6/03633 , G02B6/03644
摘要： The optical fiber comprises: (a) a core having a refractive index profile and a centerline; and (b) a cladding layer surrounding and directly adjacent the core; wherein core includes updoping material and is doped with F in at least one region of the core, such that either: (a) the average longitudinal acoustic wave velocity within the core is within 0.05% of the longitudinal acoustic wave velocity within the cladding; or (b) the longitudinal acoustic wave velocity at one region of the core is different from the longitudinal velocity at another region of the core by at least 0.2%.
摘要翻译：光纤包括：（a）具有折射率分布和中心线的芯; 和（b）围绕并直接邻近所述芯的包层; 其中芯包括更新材料并且在芯的至少一个区域中掺杂有F，使得：（a）芯内的平均纵向声波速度在包层内的纵向声波速度的0.05％以内; 或（b）芯的一个区域处的纵向声波速度不同于芯的另一区域处的纵向速度至少0.2％。

59. 发明申请

US20060285809A1 High SBS threshold optical fiber with fluorine dopant 失效
标题翻译：具有氟掺杂剂的高SBS阈值光纤
公开(公告)号：US20060285809A1
公开(公告)日：2006-12-21
申请号：US11450785
申请日：2006-06-08
申请人： Scott Bickham , Xin Chen , Ming-Jun Li , Donnell Walton
发明人： Scott Bickham , Xin Chen , Ming-Jun Li , Donnell Walton
IPC分类号： G02B6/02
CPC分类号： G02B6/0281 , G02B6/02014 , G02B6/02266 , G02B6/03633 , G02B6/03644
摘要： The optical fiber comprises: (a) a core having a refractive index profile and a centerline; and (b) a cladding layer surrounding and directly adjacent the core; wherein core includes updoping material and is doped with F in at least one region of the core, such that either: (a) the average longitudinal acoustic wave velocity within the core is within 0.05% of the longitudinal acoustic wave velocity within the cladding; or (b) the longitudinal acoustic wave velocity at one region of the core is different from the longitudinal velocity at another region of the core by at least 0.2%.
摘要翻译：光纤包括：（a）具有折射率分布和中心线的芯; 和（b）围绕并直接邻近所述芯的包层; 其中芯包括更新材料并且在芯的至少一个区域中掺杂有F，使得：（a）芯内的平均纵向声波速度在包层内的纵向声波速度的0.05％以内; 或（b）芯的一个区域处的纵向声波速度不同于芯的另一区域处的纵向速度至少0.2％。

60. 发明申请

US20060133751A1 Method of imparting twist to optical fiber 失效
标题翻译：赋予光纤扭转的方法
公开(公告)号：US20060133751A1
公开(公告)日：2006-06-22
申请号：US11015509
申请日：2004-12-16
申请人： Xin Chen , Ming-Jun Li , Nicol Heron , Jeanne Swecker , Naiyue Zhou
发明人： Xin Chen , Ming-Jun Li , Nicol Heron , Jeanne Swecker , Naiyue Zhou
IPC分类号： G02B6/02
CPC分类号： C03B37/02745 , C03B37/032 , C03B37/12 , C03B2203/19 , C03B2203/36 , C03B2205/06 , G02B6/02285 , G02B6/278
摘要： A method for producing low-PMD fiber, in which a glass fiber is drawn from an optical fiber perform by a tractor which pulls such optical fiber from said perform; subsequent to said tractor pulling the fiber is twisted about its axis to increase the magnitude of twist which is imparted to said fiber. The fiber is then wound onto a fiber storage spool such that at least a portion of the twist imparted to said optical fiber is retained while said fiber is wound on said spool.
摘要翻译：一种生产低PMD纤维的方法，其中玻璃纤维从由所述表面拉动这种光纤的拖拉机执行的光纤中拉出; 在所述拖拉机拉动之后，纤维围绕其轴线扭曲以增加赋予所述纤维的捻度的大小。然后将纤维卷绕到纤维储存卷轴上，使得当所述纤维缠绕在所述卷轴上时，赋予所述光纤的扭曲的至少一部分被保持。

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