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公开(公告)号:US07903917B2
公开(公告)日:2011-03-08
申请号:US12612348
申请日:2009-11-04
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: G02B6/0365 , G02B6/02014 , G02B6/02266 , G02B6/03611 , Y10T428/31504
摘要: Optical waveguide fiber that is bend resistant and single mode at 1260 nm and at higher wavelengths. The optical fiber includes a core of radius R1 and cladding, the cladding having an annular inner region of radius R2, an annular ring region, and an annular outer region. The annular ring region starts at R2, and the ratio R1/R2 is greater than 0.40.
摘要翻译: 光纤光纤在1260 nm和更高波长下具有抗弯曲和单模光纤。 光纤包括半径为R1和包层的芯,该包层具有半径为R2的环形内部区域,环形环区域和环形外部区域。 环状区域从R2开始,R1 / R2的比值大于0.40。
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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:US08315495B2
公开(公告)日:2012-11-20
申请号:US12696189
申请日:2010-01-29
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/036
CPC分类号: C03C13/046 , G02B6/02019 , G02B6/02395 , G02B6/0281 , G02B6/0283 , G02B6/03627 , G02B6/0365
摘要: According to some embodiments an optical waveguide fiber comprises: (i) a Ge free core having an effective area of 90 μm2 to 160 μm2, at a 1550 nm wavelength, and α value 12≦α≦25, said core comprising: (a) a central core region extending radially outwardly from a centerline to a radius 0 μm≦r0≦2 μm, and having a relative refractive index percent profile Δ0(r) in % measured relative to pure silica, wherein −0.1%≦Δ0(r)≦0.1%, wherein the central core region has a maximum relative refractive index percent, Δ0MAX; (b) a first annular core region surrounding and directly adjacent to the central core region and extending to an outer radius r1, wherein 4.8 μm≦r1≦10 μm, and having a relative refractive index percent profile, Δ1(r) in % measured relative to pure silica, and a minimum relative refractive index, Δ2MIN, and the relative refractive index measured at a radius r=2.5 μm being: −0.15≦Δ1(r=2.5 μm)≦0, and Δ0MAX≧Δ1(r=2.5 μm); (c) a fluorine doped second annular region surrounding and directly adjacent to the first annular core region and extending to a radius 13 μm≦r2≦30 μm and having a negative relative refractive index percent profile, Δ2(r) in %, measured relative to pure silica, with a minimum relative refractive index percent Δ2MIN being: Δ2MIN≦Δ1(r=2.5 μm), and −0.7%≦Δ2MIN≦−0.28%; (ii) a cladding surrounding the core and having a relative refractive index percent Δc(r) in % measured relative to pure silica, and Δc(r)=Δ2MIN±0.3%; wherein the relative refractive index profile of the optical fiber is selected to provide attenuation of no more than 0.175 dB/km at the wavelength of 1550 nm.
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公开(公告)号:US07450807B2
公开(公告)日:2008-11-11
申请号:US11888958
申请日:2007-08-03
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Daniel Aloysius Nolan , Pushkar Tandon , Snigdharaj Kumar Mishra
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Daniel Aloysius Nolan , Pushkar Tandon , Snigdharaj Kumar Mishra
CPC分类号: G02B6/0365 , G02B6/02009 , G02B6/02266 , G02B6/14
摘要: Optical waveguide fiber that is bend resistant and single moded at 1260 nm and at higher wavelengths. The optical fiber includes a core and cladding, the cladding having an annular inner region, an annular ring region, and an annular outer region. The annular ring region has a low relative refractive index.
摘要翻译: 光纤光纤,具有抗弯曲性,单波长1260 nm,波长较高。 光纤包括芯和包层,包层具有环形内部区域,环形环区域和环形外部区域。 环形区域具有较低的相对折射率。
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公开(公告)号:US20100195966A1
公开(公告)日:2010-08-05
申请号:US12696189
申请日:2010-01-29
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/036
CPC分类号: C03C13/046 , G02B6/02019 , G02B6/02395 , G02B6/0281 , G02B6/0283 , G02B6/03627 , G02B6/0365
摘要: According to some embodiments an optical waveguide fiber comprises: (i) a Ge free core having an effective area of 90 μm2 to 160 μm2, at a 1550 nm wavelength, and α value 12≦α≦25, said core comprising: (a) a central core region extending radially outwardly from a centerline to a radius 0 μm≦r0≦2 μm, and having a relative refractive index percent profile Δ0(r) in % measured relative to pure silica, wherein −0.1%≦Δ0(r)≦0.1%, wherein the central core region has a maximum relative refractive index percent, Δ0MAX, (b) a first annular core region surrounding and directly adjacent to the central core region and extending to an outer radius r1, wherein 4.8 μm≦r1≦10 μm, and having a relative refractive index percent profile, Δ1(r) in % measured relative to pure silica, and a minimum relative refractive index, Δ2MIN, and the relative refractive index measured at a radius r=2.5 μm being: −0.15≦Δ1(r=2.5 μm)≦0, and Δ0MAX≧Δ1(r=2.5 μm); (c) a fluorine doped second annular region surrounding and directly adjacent to the first annular core region and extending to a radius 13 μm≦r2≦30 μm and having a negative relative refractive index percent profile, Δ2(r) in %, measured relative to pure silica, with a minimum relative refractive index percent Δ2MIN being: Δ2MIN≦Δ1(r=2.5 μm), and −0.7%≦Δ2MIN≦−0.28%; (ii) a cladding surrounding the core and having a relative refractive index percent Δc(r) in % measured relative to pure silica, and Δc(r)=Δ2MIN±0.3%; wherein the relative refractive index profile of the optical fiber is selected to provide attenuation of no more than 0.175 dB/km at the wavelength of 1550 nm.
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公开(公告)号:US07620282B2
公开(公告)日:2009-11-17
申请号:US11888959
申请日:2007-08-03
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: G02B6/0365 , G02B6/02014 , G02B6/02266 , G02B6/03611 , Y10T428/31504
摘要: Optical waveguide fiber that is bend resistant and single mode at 1260 nm and at higher wavelengths. The optical fiber includes a core of radius R1 and cladding, the cladding having an annular inner region of radius R2, an annular ring region, and an annular outer region. The annular ring region starts at R2, and the ratio R1/R2 is greater than 0.40.
摘要翻译: 光纤光纤在1260 nm和更高波长下具有抗弯曲和单模光纤。 光纤包括半径为R1和包层的芯,该包层具有半径为R2的环形内部区域,环形环区域和环形外部区域。 环状区域从R2开始,R1 / R2的比值大于0.40。
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公开(公告)号:US08467649B2
公开(公告)日:2013-06-18
申请号:US12872051
申请日:2010-08-31
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/036
CPC分类号: G02B6/02019 , G02B6/02242 , G02B6/02266 , G02B6/02357 , G02B6/02366 , G02B6/0365
摘要: An optical fiber with 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 has a depressed annular region, the inner radius of said depressed annular region is spaced from said core a distance greater than 1 μm and less or equal to than 5 μm. The core and the cladding provide a fiber with cable cutoff less than 1550 nm, and an effective area at 1550 nm greater than 120 μm2 and bend loss of ≦0.7 dB/turn on a 20 mm diameter mandrel.
摘要翻译: 具有从中心线延伸到半径R1的玻璃芯的光纤,其中R1大于约5μm; 围绕并与芯接触的玻璃包层。 包层具有凹陷的环形区域,所述凹陷的环形区域的内半径与所述芯部间隔大于1μm且小于或等于5μm。 芯和包层提供具有断线小于1550nm的电缆,并且在1550nm处的有效面积大于120mum2并且在20mm直径心轴上的弯曲损耗为0.7dB /匝。
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公开(公告)号:US07844155B2
公开(公告)日:2010-11-30
申请号:US12082858
申请日:2008-04-15
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: G02B6/02333 , C03B37/0124 , C03B37/01807 , C03B2201/12 , C03B2201/50 , C03B2203/14 , C03B2203/23 , G02B6/02357 , G02B6/0365
摘要: Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide a silica-based core, said core comprising an alkali metal oxide selected from the group consisting of K2O, Na2O, Li2O, Rb2O, Cs2O and mixtures thereof in an average concentration in said core between about 10 and 10000 ppm by weight, and a silica-based cladding surrounding and directly adjacent the core, the cladding including a region having a lower index of refraction than the remainder of such cladding. By appropriately selecting the concentration of alkali metal oxide dopant in the core and the cladding, a low loss optical fiber may be obtained which exhibits a cable cutoff less than 1400 nm chromatic dispersion at 1550 nm between about 13 and 19 ps/nm/km, and a zero dispersion wavelength less than about 1324 nm.
摘要翻译: 公开了一种具有二氧化硅基核的光纤,其包含碱金属氧化物二氧化硅基核,所述芯包含选自K2O,Na2O,Li2O,Rb2O,Cs2O及其混合物的碱金属氧化物,其平均值 所述芯中的浓度在约10至10000ppm之间,以及围绕并直接邻近芯的二氧化硅基包覆层,包层具有比这种包层的其余部分低的折射率的区域。 通过适当选择芯和包层中的碱金属氧化物掺杂剂的浓度,可以获得低损耗光纤,其在1550nm处显示出在约13和19ps / nm / km之间的电缆截止小于1400nm的色散, 和小于约1324nm的零色散波长。
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公开(公告)号:US20100046899A1
公开(公告)日:2010-02-25
申请号:US12612348
申请日:2009-11-04
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Snigdharaj Kumar Mishra , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/028
CPC分类号: G02B6/0365 , G02B6/02014 , G02B6/02266 , G02B6/03611 , Y10T428/31504
摘要: Optical waveguide fiber that is bend resistant and single mode at 1260 nm and at higher wavelengths. The optical fiber includes a core of radius R1 and cladding, the cladding having an annular inner region of radius R2, an annular ring region, and an annular outer region. The annular ring region starts at R2, and the ratio R1/R2 is greater than 0.40.
摘要翻译: 光纤光纤在1260 nm和更高波长下具有抗弯曲和单模光纤。 光纤包括半径为R1和包层的芯,该包层具有半径为R2的环形内部区域,环形环区域和环形外部区域。 环状区域从R2开始,R1 / R2的比值大于0.40。
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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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