-
公开(公告)号:US07505660B2
公开(公告)日:2009-03-17
申请号:US11800161
申请日:2007-05-04
申请人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Daniel Aloysius Nolan , Pushkar Tandon
发明人: Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Daniel Aloysius Nolan , Pushkar Tandon
IPC分类号: G02B6/02
CPC分类号: G02B6/02342 , C03B37/01446 , C03B37/01453 , C03B2203/14 , C03B2203/42 , G02B6/02333 , G02B6/02357 , G02B6/0365
摘要: Microstructured optical fiber for single-moded transmission of optical signals, the optical fiber including a core region and a cladding region, the cladding region including an annular hole-containing region that contains non-periodically disposed holes. The optical fiber provides single mode transmission and low bend loss.
摘要翻译: 用于单信号传输光信号的微结构光纤,所述光纤包括芯区域和包层区域,所述包层区域包括含有非周期性布置的孔的环形含孔区域。 光纤提供单模传输和低弯曲损耗。
-
公开(公告)号:US20080166094A1
公开(公告)日:2008-07-10
申请号:US12004174
申请日:2007-12-20
IPC分类号: G02B6/028
CPC分类号: G02B6/14 , C03B2203/14 , C03B2203/23 , C03B2203/26 , C03B2203/28 , G02B6/02333 , G02B6/02342 , G02B6/0288 , G02B6/032 , G02B6/03627 , G02B6/03633 , 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.
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,所述包层区域包括包含凹陷相对折射率的凹陷折射率环形部分。
-
公开(公告)号:US20110129191A1
公开(公告)日:2011-06-02
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。 芯和包层提供了一种光缆,其电缆截止值小于1550nm,在1550nm处的有效面积大于120μm2,并且在20mm直径的心轴上具有0.7dB /的弯曲损耗。
-
公开(公告)号:US20100272406A1
公开(公告)日:2010-10-28
申请号:US12830826
申请日:2010-07-06
IPC分类号: G02B6/028
CPC分类号: G02B6/14 , C03B2203/14 , C03B2203/23 , C03B2203/26 , C03B2203/28 , G02B6/02333 , G02B6/02342 , G02B6/0288 , G02B6/032 , G02B6/03627 , G02B6/03633 , 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.
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,所述包层区域包括包含凹陷相对折射率的凹陷折射率环形部分。
-
公开(公告)号:US07526166B2
公开(公告)日:2009-04-28
申请号:US11701287
申请日:2007-01-31
申请人: Dana Craig Bookbinder , Ming-Jun Li , Michael Thomas Murtagh , Daniel Aloysius Nolan , Pushkar Tandon , Ji Wang
发明人: Dana Craig Bookbinder , Ming-Jun Li , Michael Thomas Murtagh , Daniel Aloysius Nolan , Pushkar Tandon , Ji Wang
IPC分类号: G02B6/32
CPC分类号: G02B6/02366 , G02B6/024 , G02B6/03633
摘要: An optical fiber comprising: a silica based core having a first index of refraction n1; and at least one silica based cladding surrounding the core, the at least one silica based cladding comprising index lowering non-periodic voids containing a gas, wherein at least 80% of said voids have a maximum cross-sectional dimension of less than 2000 nm, and the NA of the fiber layer situated immediately adjacent to and inside said at least one silica based cladding is at least 0.2.
摘要翻译: 一种光纤,包括:具有第一折射率n1的二氧化硅基核; 以及包围所述芯的至少一个二氧化硅基包层,所述至少一个二氧化硅基包层包含含有气体的折射率降低的非周期性空隙,其中至少80%的所述空隙具有小于2000nm的最大横截面尺寸, 并且位于所述至少一个基于二氧化硅的包层内和所述至少一个二氧化硅基包层内的所述纤维层的NA为至少0.2。
-
公开(公告)号:US20080279515A1
公开(公告)日:2008-11-13
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, LiO2, 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K 2 O,Na 2 O, 2 O,LiO 2,Rb 2 O,Cs 2 O及其混合物,其中所述芯中的平均浓度在约 10重量ppm和10000重量ppm,以及围绕并直接邻近该芯的二氧化硅基包层,该包层包括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。
-
公开(公告)号:US20080056658A1
公开(公告)日:2008-03-06
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
IPC分类号: G02B6/036
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.
-
公开(公告)号:US20080056654A1
公开(公告)日:2008-03-06
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: G02B6/028
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R 1的芯和包层,该包层具有半径为R 2 2的环形内部区域,环形环区域和环形外部区域。 环形区域从R 2 2开始,R 1 / R 2比值大于0.40。
-
公开(公告)号:US08977092B2
公开(公告)日:2015-03-10
申请号:US13553899
申请日:2012-07-20
CPC分类号: G02B6/0288 , G02B6/02023 , G02B6/0281 , G02B6/0365
摘要: One exemplary multimode optical fiber includes a graded index glass core having a diameter in the range of 41 microns to 80 microns, a graded index having an alpha less than 2.04 and a maximum relative refractive index in the range between 0.6% and 1.8%. The cladding includes a depressed-index annular portion. The fiber has an overfilled bandwidth greater than 2.5 GHz-km at at least one wavelength between 1200 nm and 1700 nm.
摘要翻译: 一个示例性多模光纤包括直径在41微米至80微米范围内的分级折射率玻璃芯,具有α小于2.04的分级折射率和0.6%至1.8%范围内的最大相对折射率。 包层包括凹陷折射率的环形部分。 该纤维在1200nm至1700nm之间的至少一个波长处具有大于2.5GHz-km的过满的带宽。
-
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。
-
-
-
-
-
-
-
-
-