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公开(公告)号:US20080304800A1
公开(公告)日:2008-12-11
申请号:US12070845
申请日:2008-02-21
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: G02B6/02014 , G02B6/02019 , G02B6/02357 , G02B6/02366 , G02B6/0365 , G02B6/03661 , G02B6/03688
摘要: An optical fiber comprising: a glass core extending from a centerline to a radius R1; a glass cladding surrounding and in contact with the core, the cladding comprising:a first annular region extending from R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, a second annular region extending from R2 to a radius R3, the second annular region comprising a radial width, W3=R3−R2, and a third annular region extending from R3 to an outermost glass radius R4; wherein (i) the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region; (ii) wherein the first annular region comprises a radial width W2; and (iii) the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN; and the core and the cladding provide a fiber with cable cutoff less than 1500 nm, dispersion at 1550 nm less than 12 ps/nm/km, effective area at 1550 nm greater than 60 μm2, and preferably greater than 70 μm2. The second annular cladding region may contain a plurality of randomly dispersed holes.
摘要翻译: 一种光纤,包括:从中心线延伸到半径R1的玻璃芯; 围绕并与芯接触的玻璃包层,所述包层包括:从R1延伸到半径R2的第一环形区域,所述第一环形区域包括径向宽度W2 = R2-R1,从R2延伸到第二环形区域 半径R3,第二环形区域包括径向宽度,W3 = R3-R2,以及从R3延伸到最外侧玻璃半径R4的第三环状区域; 其中(i)所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX; (ii)其中所述第一环形区域包括径向宽度W2; 和(iii)第二环形区域包括相对于第三环形区域的最小相对折射率Delta3MIN,其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN; 并且芯和包层提供具有小于1500nm的电缆截止的光纤,在1550nm处的色散小于12ps / nm / km,在1550nm处的有效面积大于60mum2,优选大于70mum2。 第二环形包层区域可以包含多个随机分布的孔。
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公开(公告)号:US08842957B2
公开(公告)日:2014-09-23
申请号:US13432553
申请日:2012-03-28
CPC分类号: G02B6/0288 , G02B6/0281
摘要: According to some embodiments, a multimode optical fiber comprises a graded index glass core with refractive index Δ1, a maximum refractive index delta Δ1MAX, and a core radius between 10 and 40 microns; and cladding region surrounding the core comprising refractive index Δ4, wherein the fiber exhibits an overfilled bandwidth at an operating wavelength in a 900 to 1250 nm wavelength range of greater than 2.5 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 4 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 10 GHz-km.
摘要翻译: 根据一些实施例,多模光纤包括具有折射率&Dgr; 1,最大折射率δ&Dgr; 1MAX和10至40微米的芯半径的渐变折射率玻璃芯; 以及围绕包含折射率&Dgr; 4的芯的包覆区域,其中在大于2.5GHz-km的900至1250nm波长范围内的光纤在工作波长处表现出过满的带宽。 根据一些实施方案,光纤在950和1100nm之间的波长上表现出超过4GHz-km的过满的带宽。 根据一些实施例,在大于10GHz-km的波长在950和1100nm之间的光纤表现出过满的带宽。
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公开(公告)号:US07603015B2
公开(公告)日:2009-10-13
申请号:US12070845
申请日:2008-02-21
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
CPC分类号: G02B6/02014 , G02B6/02019 , G02B6/02357 , G02B6/02366 , G02B6/0365 , G02B6/03661 , G02B6/03688
摘要: An optical fiber comprising: a glass core extending from a centerline to a radius R1; a glass cladding surrounding and in contact with the core, the cladding comprising: a first annular region extending from R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, a second annular region extending from R2 to a radius R3, the second annular region comprising a radial width, W3=R3−R2, and a third annular region extending from R3 to an outermost glass radius R4; wherein (i) the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region; (ii) wherein the first annular region comprises a radial width W2; and (iii) the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN; and the core and the cladding provide a fiber with cable cutoff less than 1500 nm, dispersion at 1550 nm less than 12 ps/nm/km, effective area at 1550 nm greater than 60 μm2, and preferably greater than 70 μm2. The second annular cladding region may contain a plurality of randomly dispersed holes.
摘要翻译: 一种光纤,包括:从中心线延伸到半径R1的玻璃芯; 围绕并与芯接触的玻璃包层,所述包层包括:从R1延伸到半径R2的第一环形区域,所述第一环形区域包括径向宽度W2 = R2-R1,从R2延伸到第二环形区域 半径R3,第二环形区域包括径向宽度,W3 = R3-R2,以及从R3延伸到最外侧玻璃半径R4的第三环状区域; 其中(i)所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX; (ii)其中所述第一环形区域包括径向宽度W2; 和(iii)第二环形区域包括相对于第三环形区域的最小相对折射率Delta3MIN,其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN; 并且芯和包层提供具有小于1500nm的电缆截止的光纤,在1550nm处的色散小于12ps / nm / km,在1550nm处的有效面积大于60mum2,优选大于70mum2。 第二环形包层区域可以包含多个随机分布的孔。
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公开(公告)号:US20130077926A1
公开(公告)日:2013-03-28
申请号:US13432553
申请日:2012-03-28
IPC分类号: G02B6/028
CPC分类号: G02B6/0288 , G02B6/0281
摘要: According to some embodiments, a multimode optical fiber comprises a graded index glass core with refractive index Δ1, a maximum refractive index delta Δ1MAX, and a core radius between 10 and 40 microns; and cladding region surrounding the core comprising refractive index Δ4, wherein the fiber exhibits an overfilled bandwidth at an operating wavelength in a 900 to 1250 nm wavelength range of greater than 2.5 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 4 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 10 GHz-km.
摘要翻译: 根据一些实施例,多模光纤包括具有折射率&Dgr; 1,最大折射率δ&Dgr; 1MAX和10至40微米的芯半径的渐变折射率玻璃芯; 以及围绕包含折射率&Dgr; 4的芯的包覆区域,其中在大于2.5GHz-km的900至1250nm波长范围内的光纤在工作波长处表现出过满的带宽。 根据一些实施方案,光纤在950和1100nm之间的波长上表现出超过4GHz-km的过满的带宽。 根据一些实施例,在大于10GHz-km的波长在950和1100nm之间的光纤表现出过满的带宽。
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公开(公告)号:US20080279517A1
公开(公告)日:2008-11-13
申请号:US12151171
申请日:2008-05-05
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan
IPC分类号: G02B6/028
CPC分类号: G02B6/0365 , G02B6/02019
摘要: An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R1 wherein R1 is greater than about 5 μm; a glass cladding surrounding and in contact with the core, the cladding comprising: (i) a first annular region extending from the radius R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, (ii) a second annular region extending from the radius R2 to a radius R3, and comprising a radial width, W3=R3−R2, and (iii) a third annular region surrounding the second annular region and extending from the radius R3 to an outermost glass radius R4; wherein the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region, and wherein Δ1MAX is greater than about 0.1% and less than about 0.3%; the first annular region has a refractive index delta Δ2(r) is less than about 0.025%; wherein the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region;wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN
摘要翻译: 根据本发明实施例的光纤包括:从中心线延伸到半径R 1的玻璃芯,其中R 1>大于5μm; 围绕并与芯接触的玻璃包层,所述包层包括:(i)从半径R 1> 1半径R 2> 2延伸的第一环形区域,第一 包括径向宽度的第二环形区域,(ii)从半径R < SUB> 2 SUB>到半径R 3 3,并且包括径向宽度,W 3 3 = R 3→N < 2,和(iii)围绕第二环形区域并从半径R 3 3延伸到最外侧玻璃半径R 4的第三环形区域; 其中所述芯包括相对于所述第三环形区域的最大相对折射率,Δ1MAX1,并且其中Δ1MAX1大于约0.1%且小于约0.3% ; 第一环形区域具有小于约0.025%的折射率差ΔΔ2(r); 其中所述第二环形区域包括相对于所述第三环形区域的最小相对折射率,Δ3 NIN; 其中Delta 1MAX SUB>增量2MAX SUB>三角洲3MIN和三角洲2MIN SUB>三角洲3IN > <0; 并且其中所述芯和所述包层提供具有小于1500nm的电缆截止的光纤,并且在1550nm处的有效面积大于95μm2,并且在20℃下的弯曲损耗为<= 0.5dB / mm直径心轴。
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公开(公告)号:US07555187B2
公开(公告)日:2009-06-30
申请号:US12151171
申请日:2008-05-05
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Xin Chen , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan
IPC分类号: G02B6/036
CPC分类号: G02B6/0365 , G02B6/02019
摘要: An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R1 wherein R1 is greater than about 5 μm; a glass cladding surrounding and in contact with the core, the cladding comprising: (i) a first annular region extending from the radius R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, (ii) a second annular region extending from the radius R2 to a radius R3, and comprising a radial width, W3=R3−R2, and (iii) a third annular region surrounding the second annular region and extending from the radius R3 to an outermost glass radius R4; wherein the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region, and wherein Δ1MAX is greater than about 0.1% and less than about 0.3%; the first annular region has a refractive index delta Δ2(r) is less than about 0.025%; wherein the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region;wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN
摘要翻译: 根据本发明实施例的光纤包括:从中心线延伸到半径R1的玻璃芯,其中R1大于约5μm; 所述包层包括:(i)从所述半径R1延伸到半径R2的第一环形区域,所述第一环形区域包括径向宽度,W2 = R2-R1,(ii) 从半径R2延伸到半径R3并且包括径向宽度W3 = R3-R2的第二环形区域,以及(iii)围绕第二环形区域并且从半径R3延伸到最外侧玻璃半径的第三环形区域 R4; 其中所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX,并且其中Δ1MAX大于约0.1%且小于约0.3%; 第一环形区域的折射率差Δ2(r)小于约0.025%; 其中所述第二环形区域相对于所述第三环形区域包括最小相对折射率Delta3MIN; 其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN <0; 并且其中芯和包层提供具有小于1500nm的电缆截止的光纤,并且在1550nm处的有效面积大于95mum2,并且在20mm直径的心轴上的弯曲损耗为<= 0.5dB /匝。
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公开(公告)号:US20090080843A1
公开(公告)日:2009-03-26
申请号:US12220268
申请日:2008-07-23
IPC分类号: G02B6/02
CPC分类号: G02B6/024
摘要: An optical fiber, comprising: (i) a core having a core center and a radius or a width a, (ii) a cladding surrounding the core, and (iii) at least one stress member situated proximate to the fiber core within the cladding, said stress member comprising silica co-doped with F and at least one dopant selected from the list consisting of: GeO2, P2O5, Y2O3, TiO2 and Al2O3, wherein distance b between the stress member and the core center satisfies the following equation: 1≦b/a
摘要翻译: 1.一种光纤,包括:(i)具有芯中心和半径或宽度a的芯,(ii)围绕所述芯的包层,以及(iii)至少一个应力构件,位于所述包层内的所述纤维芯附近 所述应力构件包括与F共掺的二氧化硅和选自GeO2,P2O5,Y2O3,TiO2和Al2O3中的至少一种掺杂剂,其中应力构件和核心中心之间的距离b满足以下等式:1 <= b / a <2。
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8.
公开(公告)号:US07947945B2
公开(公告)日:2011-05-24
申请号:US12393415
申请日:2009-02-26
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。
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公开(公告)号:US07697809B2
公开(公告)日:2010-04-13
申请号:US12220268
申请日:2008-07-23
IPC分类号: G02B6/032
CPC分类号: G02B6/024
摘要: An optical fiber, comprising: (i) a core having a core center and a radius or a width a, (ii) a cladding surrounding the core, and (iii) at least one stress member situated proximate to the fiber core within the cladding, said stress member comprising silica co-doped with F and at least one dopant selected from the list consisting of: GeO2, P2O5, Y2O3, TiO2 and Al2O3, wherein distance b between the stress member and the core center satisfies the following equation: 1≦b/a
摘要翻译: 1.一种光纤,包括:(i)具有芯中心和半径或宽度a的芯,(ii)围绕所述芯的包层,以及(iii)至少一个应力构件,位于所述包层内的所述纤维芯附近 所述应力部件包括与F共掺杂的二氧化硅和选自GeO2,P2O5,Y2O3,TiO2和Al2O3中的至少一种掺杂剂,其中应力部件与芯心之间的距离b满足以下等式:1&nlE ; b / a <2。
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公开(公告)号:US07228039B2
公开(公告)日:2007-06-05
申请号:US11450785
申请日:2006-06-08
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%。
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