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91. 发明申请

US20020164138A1 Dispersion-compensating fiber, and dispersion-compensating module and hybrid optical fiber link using the same 失效
标题翻译：色散补偿光纤和色散补偿模块以及使用其的混合光纤链路
公开(公告)号：US20020164138A1
公开(公告)日：2002-11-07
申请号：US10097693
申请日：2002-03-12
发明人： Manabu Saitou , Shoichiro Matsuo
IPC分类号： G02B006/22 , G02B006/16
CPC分类号： G02B6/02242 , G02B6/02004 , G02B6/02261 , G02B6/03644 , G02B6/29377 , H04B10/2525
摘要： A dispersion-compensating fiber is provided that can compensate chromatic dispersion of a DSF in the L-band (wavelength of 1.565 nullm to 1.625 nullm). The dispersion-compensating fiber is provided with a central core segment, an intermediate core segment, a ring core segment, and a clad, which are provided in this sequence concentrically from the inside, and has refractive index profile such that the refractive indices of these segments satisfy the relationship of intermediate core segment
摘要翻译：提供了一种色散补偿光纤，其可以补偿L波段（波长为1.565mum至1.625mum）的DSF的色散。色散补偿光纤具有中心芯部分，中间核心部分，环形芯部分和包层，该组织以这种顺序从内部同心地提供，并具有折射率分布，使得这些段满足中间核心段<包层<=环芯段<中心核心段的关系。当具有1.55μm±0.05μm的零色散波长的色散位移光纤已被补偿时，全部或部分L波段的残留色散在±1.5ps / nm / km以内。

92. 发明授权

US06470126B1 Dispersion compensating optical fiber, and wavelength division multiplexing transmission line using a dispersion compensating optical fiber 有权
标题翻译：色散补偿光纤和使用色散补偿光纤的波分复用传输线
公开(公告)号：US06470126B1
公开(公告)日：2002-10-22
申请号：US09582108
申请日：2000-06-22
申请人： Kazunori Mukasa
发明人： Kazunori Mukasa
IPC分类号： G02B616
CPC分类号： G02B6/02009 , G02B6/02004 , G02B6/02261 , G02B6/0228 , G02B6/02285 , G02B6/03627 , G02B6/03644
摘要： The invention relates to a dispersion compensating optical fiber which is connected to an optical fiber having a positive dispersion value at wavelength band of 1.55 &mgr;m and concurrently has a function of compensating dispersion of optical fibers having a positive dispersion value and a function acting as an optical transmission line, and relates to a wavelength division multiplexing optical transmission line using the dispersion compensating optical fiber. The refractive index profile of the dispersion compensating optical fiber is determined to be W-shaped. 1.0%≦&Dgr;1≦1.4% and −0.45≦&Dgr;2/&Dgr;1≦−0.285 are established where the relative refractive index difference of said center core (1) with respect to said cladding (3) is &Dgr;1, and the relative refractive index difference of said side core (2) with respect to said cladding (3) is &Dgr;2, and further 0.4≦Ra≦0.5 is established where the value Ra(Ra=a/b) of the outer diameter a of the center core (1) with respect to the outer diameter b of the side core (2) is Ra. The dispersion slope at a wavelength of 1.55 &mgr;m is negative, and the dispersion value &sgr; is −50 ps/nm/km≦&sgr;
摘要翻译：本发明涉及一种色散补偿光纤，其连接到在1.55μm波长带处具有正色散值的光纤，并且还具有补偿具有正色散值和作为光学器件的功能的光纤的色散的功能传输线，并且涉及使用色散补偿光纤的波分复用光传输线。色散补偿光纤的折射率分布被确定为W形。建立1.0％<= DELTA1 <= 1.4％和-0.45 <= DELTA2 / DELTA1 <= -0.285，其中所述中心纤芯（1）相对于所述包层（3）的相对折射率差为DELTA1，相对所述侧芯（2）相对于所述包层（3）的折射率差为DELTA2，并且还建立了0.4≤Ra<= 0.5，其中，所述侧芯（2）的外径a的值Ra（Ra = a / b）中心纤芯（1）相对于侧芯（2）的外径b为Ra。波长为1.55μm的色散斜率为负，色散σ为-50ps / nm / km <= sigma <-20ps / nm / km，其中传输损耗为0.25dB / km或更小，偏振模色散值为0.15ps / km 1/2以下，模场直径为5.5μm以上。

93. 发明申请

US20020131733A1 Optical fiber composite and optical fiber cable and production method thereof 失效
标题翻译：光纤复合光纤电缆及其制造方法
公开(公告)号：US20020131733A1
公开(公告)日：2002-09-19
申请号：US10041585
申请日：2002-01-10
申请人： Sumitomo Electric Industries, Ltd.
发明人： Masayuki Nishimura , Shigeru Tanaka
IPC分类号： G02B006/255 , G02B006/16 , G02B006/44
CPC分类号： G02B6/02247 , G02B6/02004 , G02B6/02261 , G02B6/02266 , G02B6/29377 , H04B10/25253
摘要： An optical fiber composite that can easily have a desired mean transmission property as a whole even after a length of optical fiber is cut off from one end or both ends, a cable comprising the composites, and methods for producing the composite and cable. An optical fiber composite 10 is produced by splicing a first optical fiber 11, a second optical fiber 12, and a third optical fiber 13 in this order. The first optical fiber 11 and the third optical fiber 13 each have a first chromatic dispersion, D1, at the wavelength of a signal-carrying lightwave. The second optical fiber 12 has a second chromatic dispersion, D2, at the wavelength of the signal-carrying lightwave. The third optical fiber has a length, L3, shorter than the length, L1, of the first optical fiber. It is desirable that the ratio L3/L1 be at most 0.1.
摘要翻译：即使从一端或两端切断长度的光纤，也可以容易地具有期望的平均透射特性的光纤复合体，包含复合体的电缆以及复合电缆的制造方法。通过按顺序拼接第一光纤11，第二光纤12和第三光纤13来制造光纤复合体10。第一光纤11和第三光纤13在信号携带光波长的波长处都具有第一色散D1。第二光纤12在信号携带光波长的波长处具有第二色散D2。第三光纤具有比第一光纤的长度L1短的长度L3。理想的是，比率L3 / L1为0.1以下。

94. 发明授权

US06446469B2 MCVD method with GE depletion to form a single mode optical fiber 失效
标题翻译：具有GE耗尽的MCVD方法形成单模光纤
公开(公告)号：US06446469B2
公开(公告)日：2002-09-10
申请号：US09920735
申请日：2001-08-03
申请人： Yoshiaki Terasawa , Yuji Takahashi , Takatoshi Kato
发明人： Yoshiaki Terasawa , Yuji Takahashi , Takatoshi Kato
IPC分类号： C03B37027
CPC分类号： G02B6/0365 , C03B37/01211 , C03B37/01413 , C03B37/027 , C03B2203/22 , C03B2203/29 , G02B6/02004 , G02B6/02009 , G02B6/02238 , G02B6/0228 , G02B6/03611 , G02B6/03633 , G02B6/03644
摘要： The present invention relates to a single-mode optical fiber having a configuration which enables lowering of dispersion slope while securing a sufficient MFD. This single-mode optical fiber has a refractive index profile in which an indent with a sufficient width is provided at the center of its core region. In particular, this indent satisfies the following relationship: a·(&Dgr;n2−&Dgr;n1)/(b·&Dgr;n2)≧0.04 when the first core portion in the single-mode optical fiber has a mean relative refractive index difference of &Dgr;n1 with respect to the cladding portion and an outer diameter of a while the second core portion has a mean relative refractive index difference of &Dgr;n1 with respect to the cladding portion and an outer diameter of b.
摘要翻译：本发明涉及具有能够在确保足够的MFD的同时降低色散斜率的结构的单模光纤。该单模光纤具有折射率分布，其中具有足够宽度的凹口设置在其核心区域的中心。特别地，该凹痕满足以下关系：当单模光纤中的第一纤芯部分具有相对于包层部分的DELTAn1的平均相对折射率差异以及第二芯部分具有的外径 DELTAn1相对于包层部分的平均相对折射率差和b的外径。

95. 发明申请

US20020012509A1 Optical transmission line 有权
标题翻译：光传输线
公开(公告)号：US20020012509A1
公开(公告)日：2002-01-31
申请号：US09794619
申请日：2001-02-28
申请人： THE FURUKAWA ELECTRIC CO., LTD.
发明人： Kazunori Mukasa
IPC分类号： G02B006/16 , G02B006/26
CPC分类号： G02B6/02009 , G02B6/02004 , G02B6/02252 , G02B6/02261 , G02B6/02266 , G02B6/02271 , G02B6/02276 , G02B6/0228 , G02B6/02285 , G02B6/0281 , G02B6/03611 , G02B6/03627 , G02B6/03633 , G02B6/03644 , G02B6/29377 , H04B10/25253
摘要： An optical transmission line according to the present invention is an optical transmission line which is able to control both the waveform distortion due to the non-linearity phenomenon and the waveform distortion due to dispersion. The optical transmission line is formed by connecting, in series, the first optical fiber (8), of which the dispersion value in the set wavelength band within the 1.5 nullm wavelength band is 6 to 14 ps/nm/km, and the second optical fiber (9), of which the dispersion value in said set wavelength band is null14 to null6 ps/nm/km. The dispersion slopes of the first optical fiber (8) and the second optical fiber (9) are of mutually opposite symbols. Light transmitted from an optical transmitter (11) enters the first optical fiber (8) and light which has been transmitted through the first optical fiber (8) enters the second optical fiber (9). The absolute value of the dispersion in the 1.5 nullm wavelength band of each of the optical fibers (8) and (9) is set to be 6 ps/nm/km or more so as to control the four light wave mixture and said absolute value is set to be 14 ps/nm/km or less so as to control a local dispersion, in order to set at approximately zero, for the entire optical transmission line, both the dispersion value and the dispersion slope in said set wavelength band.
摘要翻译：根据本发明的光传输线是能够控制由于非线性现象引起的波形失真和由于分散引起的波形失真的光传输线。光传输线通过串联连接第一光纤（8），其中在1.5μm波长带内的设定波长带中的色散值为6至14ps / nm / km，第二光纤光纤（9），其中所述设定波长带中的色散值为-14至-6ps / nm / km。第一光纤（8）和第二光纤（9）的色散斜率相互相反。从光发射器（11）发射的光进入第一光纤（8），并且已经透过第一光纤（8）的光进入第二光纤（9）。将每个光纤（8）和（9）的1.5μm波长带中的色散的绝对值设定为6ps / nm / km或更大，以便控制四个光波混合和所述绝对值设定为14ps / nm / km以下，以便对于整个光传输线，在所述设定的波长带中的色散值和色散斜率两者中控制局部色散以便设置为大约为零。

96. 发明申请

US20020000103A1 Single-mode optical fiber and method of fabricating the same 失效
标题翻译：单模光纤及其制造方法
公开(公告)号：US20020000103A1
公开(公告)日：2002-01-03
申请号：US09920735
申请日：2001-08-03
发明人： Yoshiaki Terasawa , Yuji Takahashi , Takatoshi Kato
IPC分类号： C03B037/018
CPC分类号： G02B6/0365 , C03B37/01211 , C03B37/01413 , C03B37/027 , C03B2203/22 , C03B2203/29 , G02B6/02004 , G02B6/02009 , G02B6/02238 , G02B6/0228 , G02B6/03611 , G02B6/03633 , G02B6/03644
摘要： The present invention relates to a single-mode optical fiber having a configuration which enables lowering of dispersion slope while securing a sufficient MFD. This single-mode optical fiber has a refractive index profile in which an indent with a sufficient width is provided at the center of its core region. In particular, this indent satisfies the following relationship: anull(nulln2nullnulln1)/(bnullnulln2)null0.04 when the first core portion in the single-mode optical fiber has a mean relative refractive index difference of nulln1 with respect to the cladding portion and an outer diameter of a while the second core portion has a mean relative refractive index difference of nulln2 with respect to the cladding portion and an outer diameter of b.
摘要翻译：本发明涉及具有能够在确保足够的MFD的同时降低色散斜率的结构的单模光纤。该单模光纤具有折射率分布，其中具有足够宽度的凹口设置在其核心区域的中心。特别地，该缩进满足以下关系：<段落lvl =“0”> a。（DELTAn2-DELTAn1）/（b.DELTAn2）> = 0.04 单模光纤中的第一纤芯部分具有相对于包层部分的DELTAn1的平均相对折射率差异，而第二纤芯部分的平均相对折射率差为DELTAn2相对于包层部分的平均相对折射率差包层部分和外径b。

97. 发明授权

US5666454A Preform for optical fiber and method of producing optical fiber 失效
标题翻译：光纤预制件和光纤制造方法
公开(公告)号：US5666454A
公开(公告)日：1997-09-09
申请号：US569163
申请日：1996-04-16
申请人： Jun Terada , Hideaki Chiba , Mituhiro Kawasaki , Tadashi Takahashi
发明人： Jun Terada , Hideaki Chiba , Mituhiro Kawasaki , Tadashi Takahashi
IPC分类号： C03B37/014 , C03B37/075 , G02B6/02 , C03B37/023
CPC分类号： G02B6/02276 , C03B37/01486 , C03B37/075 , G02B6/02004 , G02B6/03633 , C03B2203/24 , C03B2203/36
摘要： A single-mode optical fiber preform is produced by a process where a porous glass body of a core rod for a single-mode optical fiber is dehydrated and made into a glass to prepare a core rod for the optical fiber, clad layers are deposited on the circumference of the core rod for the optical fiber so as to give an outer diameter of a desired value, and then these are dehydrated and made into glass. At this time, the diameter of a part corresponding to the core rod for the optical fiber in the optical fiber obtained by drawing the preform for optical fiber is controlled to 1.9 times or more the mode field diameter, which is a diameter that allows light having a wavelength of 1.55 .mu.m to pass therethrough. As a result, a preform for a single-mode optical fiber with which an optical fiber little influenced by defects can be obtained can be produced.
摘要翻译： PCT No.PCT / JP95 / 00814 Sec。 371日期1996年04月16日 102（e）日期1996年4月16日PCT提交1995年4月25日PCT公布。出版物WO95 / 29132 日期：1995年11月2日单模光纤预制棒是通过将用于单模光纤的芯棒的多孔玻璃体脱水并制成玻璃以制备光纤芯棒的方法制造的，包覆层沉积在用于光纤的芯棒的圆周上，以得到所需值的外径，然后将它们脱水并制成玻璃。此时，通过将用于光纤的预成型件拉制而获得的光纤中的光纤芯棒的对应部分的直径被控制为模场直径的1.9倍以上，该直径使得具有波长为1.55μm，通过。结果，可以获得能够获得少量受缺陷影响的光纤的单模光纤的预成型体。

98. 发明授权

US09885591B2 Low etendue light source for fiber optic sensors in high temperature environments 有权
公开(公告)号：US09885591B2
公开(公告)日：2018-02-06
申请号：US15073972
申请日：2016-03-18
申请人： Rocco DiFoggio
发明人： Rocco DiFoggio
IPC分类号： E21B47/00 , G01D5/26 , H01K1/06 , H01K7/02 , G01D11/28 , G02B6/32 , H01K1/26 , G02B6/44
CPC分类号： E21B47/00 , G01D5/35316 , G01H9/004 , G01V2210/1299 , G02B6/02004 , G02B6/02076 , G02B6/32 , G02B6/4428 , G02B6/4436 , H01K1/06 , H01K1/26 , H01K7/02
摘要： A fiber optic sensor to determine a property in an environment with a temperature exceeding 150 degrees Celsius includes a light source to emit broadband light, an etendue of the light source being less than 1000 square micro meter-steradians (μm2 sr), and an optical fiber to carry incident light based on the broadband light and a reflection resulting from the incident light. A photodetector detects a resultant light based on the reflection and outputs an electrical signal, and a processor processes the electrical signal from the photodetector to determine the property.

99. 发明申请

US20170307812A1 MULTI-CORE OPTICAL FIBER, OPTICAL CABLE, AND OPTICAL CONNECTOR 审中-公开
公开(公告)号：US20170307812A1
公开(公告)日：2017-10-26
申请号：US15639006
申请日：2017-06-30
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Tetsuya HAYASHI , Osamu SHIMAKAWA
IPC分类号： G02B6/02 , G02B6/38 , G02B6/024 , G02B6/036
CPC分类号： G02B6/02042 , G02B6/02004 , G02B6/02214 , G02B6/02285 , G02B6/02395 , G02B6/024 , G02B6/0365 , G02B6/3885
摘要： An MCF of the present embodiment has eight or more cores. A diameter of a common cladding is not more than 126 μm. Optical characteristics of each core are as follows: a TL at a predetermined wavelength of 1310 nm is not more than 0.4 dB/km; an MFD at the predetermined wavelength is from 8.0 μm to 10.1 μm; a BL in a BR of not less than 5 mm or in the BR of not less than 3 mm and, less than 5 mm is not more than 0.25 dB/turn at the predetermined wavelength; λ0 is from 1300 nm to 1324 nm; λcc is not more than 1260 nm; an XT or XTs at the predetermined wavelength is not more than 0.001/km.

100. 发明授权

US09798079B2 Low bend loss single mode optical fiber with chlorine updoped cladding 有权
公开(公告)号：US09798079B2
公开(公告)日：2017-10-24
申请号：US15264750
申请日：2016-09-14
申请人： Corning Incorporated
发明人： Dana Craig Bookbinder , Ming-Jun Li , Pushkar Tandon
IPC分类号： G02B6/02 , G02B6/036 , G02B6/028
CPC分类号： G02B6/03627 , G02B6/02004 , G02B6/02009 , G02B6/02014 , G02B6/02395 , G02B6/0281 , G02B6/03644
摘要： An optical fiber having both low macrobend loss and low microbend loss. The fiber has a central core region, a first (inner) cladding region surrounding the central core region and having an outer radius r2>16 microns and relative refractive index Δ2, and a second (outer) cladding region surrounding the first cladding region having relative refractive index, Δ3, wherein Δ1>Δ3>Δ2. The difference between Δ3 and Δ2 is greater than 0.12 percent. The fiber exhibits a 22 m cable cutoff less than or equal to 1260 nm, and r1/r2 is greater or equal to 0.24 and bend loss at 1550 nm for a 15 mm diameter mandrel of less than 0.5 dB/turn.

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