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公开(公告)号:US08406592B2
公开(公告)日:2013-03-26
申请号:US12333833
申请日:2008-12-12
申请人: John Steele Abbott, III , Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Chukwuemeka Benneth Onuh , Kimberly Ann Wilbert
发明人: John Steele Abbott, III , Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Chukwuemeka Benneth Onuh , Kimberly Ann Wilbert
IPC分类号: G02B6/028
CPC分类号: G02B6/0288 , G02B6/0365
摘要: Bend resistant multimode optical fibers are disclosed herein. Multimode optical fibers disclosed herein comprise a core region and a cladding region surrounding and directly adjacent to the core region, the cladding region comprising a depressed-index annular portion comprising a depressed relative refractive index which is spaced from the core at least 0.5 microns and less than 4 microns.
摘要翻译: 本文公开了抗弯曲多模光纤。 本文公开的多模光纤包括围绕并直接邻近芯区域的芯区域和包层区域,所述包层区域包括凹陷折射率环形部分,其包含凹陷的相对折射率,所述相对折射率与芯间隔至少0.5微米和更小 超过4微米。
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公开(公告)号:US07773846B2
公开(公告)日:2010-08-10
申请号:US12072655
申请日:2008-02-27
IPC分类号: G02B6/032
CPC分类号: G02B6/03688 , G02B6/02014 , G02B6/02242 , G02B6/02271 , G02B6/02276 , G02B6/02333 , G02B6/02357 , G02B6/03611 , G02B6/0365
摘要: Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical fiber provides an absolute SBS threshold in dBm greater than about 9.3+10log[(1−e−(0.19)(50)/4.343)/(1−e−(α)(L)/4.343)], wherein L is the length in km and α is the attenuation in dB/km at 1550 nm, and a fiber cutoff wavelength of less than 1400 nm.
摘要翻译: 微结构光纤,用于透射由光构成的光信号,所述光纤包括芯区域和围绕所述芯区域的包层区域,所述包层区域包括至少一个折射率低于所述包层的其余部分的折射率的环形区域 。 光纤提供的绝对SBS阈值以dBm大于约9.3 + 10log [(1-e-(0.19)(50)/4.343)/(1-e-(α)(L)/4.343)],其中L 是以km为单位的长度,α是在1550nm处以dB / km计的衰减,并且光纤截止波长小于1400nm。
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公开(公告)号:US20080205839A1
公开(公告)日:2008-08-28
申请号:US12070092
申请日:2008-02-15
IPC分类号: G02B6/036
CPC分类号: G02B6/03688 , G02B6/02014 , G02B6/02242 , G02B6/02271 , G02B6/02276 , G02B6/02333 , G02B6/02357 , G02B6/03611 , G02B6/0365
摘要: Microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber including a core region and a cladding region surrounding the core region, the cladding region including at least one annular region having an index of refraction lower than that of the remainder of the cladding. The optical fiber provides an absolute SBS threshold in dBm greater than about 9.3+10 log [(1−e−(0.19)(50)/4.343)/(1−e−(α)(L)/4.343)], wherein L is the length in km and α is the attenuation in dB/km at 1550 nm, and a fiber cutoff wavelength of less than 1400 nm.
摘要翻译: 微结构光纤,用于透射由光构成的光信号,所述光纤包括芯区域和围绕所述芯区域的包层区域,所述包层区域包括至少一个折射率低于所述包层的其余部分的折射率的环形区域 。 光纤提供的绝对SBS阈值以dBm为单位,大于约9.3 + 10log [(1-e - - (0.19)(50)/4.343)/(1-e - )(L)/4.343 SUP>)],其中L是以km为单位的长度,α是在1550nm处以dB / km计的衰减,以及小于1400nm的光纤截止波长。
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公开(公告)号:US08666214B2
公开(公告)日:2014-03-04
申请号:US13680676
申请日:2012-11-19
CPC分类号: G02B6/028 , G02B6/02266 , G02B6/0281 , G02B6/0283 , G02B6/0285 , G02B6/0286 , G02B6/03627 , G02B6/03638 , G02B6/0365
摘要: One embodiment of a single mode optical fiber includes: a graded index central core region having outer radius r1 and relative refractive index Δ1; a cladding region comprising (i) a first inner cladding region having an outer radius r2 10 microns and comprising a minimum relative refractive index Δ3, wherein said second inner cladding region has at least one region with a relative refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the second inner cladding region and comprising relative refractive index Δ4, wherein Δ1>Δ2>Δ3, Δ3
摘要翻译: 单模光纤的一个实施例包括:具有外半径r1和相对折射率Delta1的渐变折射率中心纤芯区域; 包层区域,包括(i)具有外半径r2 <10微米和相对折射率Delta2和0.65 @ r1 / r2 @ 1的第一内包层区域; (ii)和具有外径r3> 10微米并且包括最小相对折射率Delta3的第二内包层区域(即,沟槽),其中所述第二内包层区域具有至少一个具有相对折射率Δδ的区域, 半径越来越大; 和(iii)围绕第二内包层区域并包括相对折射率Delta4的外包层区域,其中Delta1> Delta2> Delta3,Delta3Δ4。
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公开(公告)号:US08588568B2
公开(公告)日:2013-11-19
申请号:US13289029
申请日:2011-11-04
IPC分类号: G02B6/02
CPC分类号: G02B6/0288 , G02B6/0281 , G02B6/03627
摘要: A graded index multimode optical fiber comprising: (a) a silica core doped with germania, and at least one co-dopant, comprising one of P2O5 or F or B2O3, the core extending to outermost core radius, r1 and having a dual alpha, α1; (b) a low index inner cladding surrounding the core and off-set from said core; (c) an outer cladding surrounding and in contact with the inner cladding, such that at least the region of the inner cladding off-set from said core has a lower refractive index than the outer cladding. The center germania concentration at the centerline, CGe1, is greater than or equal to 0, and an outermost germania concentration in the core CGe2, at r1 is greater than or equal to 0. The core has a center co-dopant concentration at the centerline, Cc-d1, greater than or equal to 0, and an outermost co-dopant concentration Cc-d2, at r1, wherein Cc-d2 is greater than or equal to 0.
摘要翻译: 一种分级折射率多模光纤,包括:(a)掺杂有氧化锗的二氧化硅芯,以及包含P2O5或F或B2O3之一的至少一种共掺杂物,所述芯延伸到最外芯半径r1并具有双重α, alpha1; (b)围绕所述芯并偏离所述芯的低折射率内包层; (c)包围并与内包层接触的外包层,使得至少从所述芯偏离的内包层的区域具有比外包层更低的折射率。 中心线CGe1处的中心锗浓度大于或等于0,核心CGe2在r1处的最外面的锗浓度大于或等于0.核心在中心线处具有中心共掺杂剂浓度 ,Cc-d1,大于或等于0,最外侧辅助掺杂浓度Cc-d2在r1处,其中Cc-d2大于或等于0。
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公开(公告)号:US20130136405A1
公开(公告)日:2013-05-30
申请号:US13485028
申请日:2012-05-31
IPC分类号: G02B6/028
CPC分类号: G02B6/028 , G02B6/0286 , G02B6/03627 , G02B6/03638 , G02B6/0365
摘要: One embodiment of a single mode optical fiber includes: a graded index central core region having outer radius r1 and refractive index Δ1; a cladding region comprising (i) a first inner cladding region having an outer radius r2 10 microns and comprising a minimum refractive index Δ3, wherein said second cladding region has at least one region with a refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the inner cladding region and comprising refractive index Δ4, wherein Δ1>Δ2>Δ3, Δ3
摘要翻译: 单模光纤的一个实施例包括:具有外半径r1和折射率Delta1的渐变折射率中心纤芯区域; 包层区域,包括(i)具有外半径r2 <10微米和折射率Delta2和0.65 @ r1 / r2 @ 1的第一内包层区域; (ii)和具有外半径r3> 10微米并且包括最小折射率Delta3的第二内包层区域,其中所述第二包层区域具有至少一个具有随着半径增加而变得更负的折射率δ的区域; 和(iii)围绕内包层区域并包括折射率Delta4的外包层区域,其中Delta1> Delta2> Delta3,Delta3Δ4。
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公开(公告)号:US20130114935A1
公开(公告)日:2013-05-09
申请号:US13289029
申请日:2011-11-04
IPC分类号: G02B6/028
CPC分类号: G02B6/0288 , G02B6/0281 , G02B6/03627
摘要: A graded index multimode optical fiber comprising: (a) a silica core doped with germania, and at least one co-dopant, comprising one of P2O5 or F or B2O3, the core extending to outermost core radius, r1 and having a dual alpha, α1; (b) a low index inner cladding surrounding the core and off-set from said core; (c) an outer cladding surrounding and in contact with the inner cladding, such that at least the region of the inner cladding off-set from said core has a lower refractive index than the outer cladding. The center germania concentration at the centerline, CGe1, is greater than or equal to 0, and an outermost germania concentration in the core CGe2, at r1 is greater than or equal to 0. The core has a center co-dopant concentration at the centerline, Cc-d1, greater than or equal to 0, and an outermost co-dopant concentration Cc-d2, at r1, wherein Cc-d2 is greater than or equal to 0.
摘要翻译: 一种分级折射率多模光纤,包括:(a)掺杂有氧化锗的二氧化硅芯,以及包含P2O5或F或B2O3之一的至少一种共掺杂物,所述芯延伸到最外芯半径r1并具有双重α, alpha1; (b)围绕所述芯并偏离所述芯的低折射率内包层; (c)包围并与内包层接触的外包层,使得至少从所述芯偏离的内包层的区域具有比外包层更低的折射率。 中心线CGe1处的中心锗浓度大于或等于0,核心CGe2中r1处的最外层氧化铈浓度大于或等于0.核心在中心线处具有中心共掺杂剂浓度 ,Cc-d1,大于或等于0,最外侧辅助掺杂浓度Cc-d2在r1处,其中Cc-d2大于或等于0。
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公开(公告)号:US20130114934A1
公开(公告)日:2013-05-09
申请号:US13289021
申请日:2011-11-04
IPC分类号: G02B6/028
CPC分类号: G02B6/0288 , G02B6/0281
摘要: According to at least one embodiment a graded index multimode fiber comprises: (i) a silica based core co-doped with GeO2 and 1 to 12 mole % P2O5; the core having a dual alpha, α1 and α2, where 1.8≦α1≦2.4 and 1.9≦α2≦2.4 at the wavelength (λ) range between 840 and 1100 nm; and (ii) a silica based cladding region surrounding the core, wherein the fiber has a numerical aperture NA and 0.185≦NA≦0.25 (more preferably 0.185≦NA≦0.23). Preferably, the silica based cladding region surrounding the core has refractive index lower than that of pure silica.
摘要翻译: 根据至少一个实施方案,分级折射率多模光纤包括:(i)与GeO 2和1至12摩尔%的P 2 O 5共掺的二氧化硅基核; 核心具有双α,α1和α2,其中波长(λ)范围在840和1100nm之间的1.8 @α1@ 2.4和1.9 @α2@ 2.4; 和(ii)围绕芯的二氧化硅基包覆区,其中纤维具有数值孔径NA和0.185 @ NA @ 0.25(更优选0.185 @ NA @ 0.23)。 优选地,围绕芯的二氧化硅基包覆区的折射率优于纯二氧化硅的折射率。
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公开(公告)号:US20110064368A1
公开(公告)日:2011-03-17
申请号:US12773358
申请日:2010-05-04
IPC分类号: G02B6/02
CPC分类号: G02B6/0365 , G02B6/03683
摘要: An optical fiber includes a central glass core region comprising maximum refractive index delta percent Δ1, a first inner annular region surrounding said core comprising refractive index delta percent Δ2, a depressed annular region surrounding said inner annular region and comprising Δ3 and a third annular region surrounding the depressed annular region comprising refractive index delta percent Δ4; wherein Δ1MAX>Δ4>Δ2>Δ3. The difference between Δ4 and Δ2 is greater than 0.01 and profile volume, |V3| is at least 60% Δμm2.
摘要翻译: 光纤包括包含最大折射率Δ百分比Dgr的中心玻璃芯区域; 1,围绕所述芯的第一内环形区域,包括折射率Δ百分比Dgr; 2,包围所述内环形区域的凹陷环形区域, 围绕所述凹陷的环形区域的第三环形区域包括折射率Δ百分比Dgr; 4; 其中&Dgr; 1MAX>&Dgr; 4>&Dgr; 2&Dgr; 3。 &Dgr; 4和&Dgr; 2之间的区别大于0.01和配置文件卷| V3 | 至少60%&Dgr;μm2。
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公开(公告)号:US07450806B2
公开(公告)日:2008-11-11
申请号:US11583098
申请日:2006-10-18
申请人: Dana Craig Bookbinder , Richard Michael Fiacco , Ming-Jun Li , Michael Thomas Murtagh , Pushkar Tandon
发明人: Dana Craig Bookbinder , Richard Michael Fiacco , Ming-Jun Li , Michael Thomas Murtagh , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: C03B37/02781 , C03B37/01446 , C03B2201/02 , C03B2201/31 , C03B2203/14 , C03B2203/42 , C03C13/00 , C03C13/04 , G02B1/048 , G02B6/02333 , G02B6/02357
摘要: Microstructured optical fiber and method of making. Glass soot is deposited and then consolidated under conditions which are effective to trap a portion of the consolidation gases in the glass to thereby produce a non-periodic array of voids which may then be used to form a void containing cladding region in an optical fiber. Preferred void producing consolidation gases include nitrogen, argon, CO2, oxygen, chlorine, CF4, CO, SO2 and mixtures thereof.
摘要翻译: 微结构光纤及其制造方法。 玻璃烟灰沉积,然后在有效地捕获玻璃中的一部分固结气体的条件下固化,从而产生非周期性的空隙阵列,然后可以将其用于在光纤中形成含有空隙的包层区域。 优选的产生空隙的固结气体包括氮,氩,CO 2,氧,氯,CF 4,CO,SO 2和它们的混合物。
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