公开(公告)号：US10107957B2

公开(公告)日：2018-10-23

申请号：US15119992

申请日：2015-02-18

Applicant: Corning Incorporated

Inventor： Scott Robertson Bickham ,  Xin Chen ,  Ming-Jun Li

IPC: G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  H04B10/2581 ,  H04B10/50 ,  H04B10/61

Abstract: 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 exhibits an overfilled bandwidth of at least 3 GHz-km at a wavelength of 850 nm and an overfilled bandwidth of at least 1.2 GHz-km at one or more wavelengths between 980 and 1060 nm.

公开(公告)号：US20180203184A1

公开(公告)日：2018-07-19

申请号：US15918352

申请日：2018-03-12

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Inna lgorevna Kouzmina ,  Ming-Jun Li ,  Manuela Ocampo ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/036 ,  G02B6/028 ,  C08F222/10

CPC classification number: G02B6/02395 ,  C08F222/1006 ,  G02B6/02009 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/0286 ,  G02B6/0365

Abstract: Small-radius coated optical fibers having large mode field diameter and low bending losses. The coated fiber may have an outer radius of 110 μm or less, while providing a mode field diameter of 9.0 μm or greater and a bending loss when wrapped about a 15 mm mandrel of 0.5 dB/km or less at wavelength of 1550 nm. The coated fiber may have a mode field diameter of 9.2 μm or greater and may have a bending loss at 1550 nm of 0.25 dB/km or less when wrapped about a 20 mm mandrel or a bending loss at 1550 nm of 0.02 dB/km or less when wrapped about a 30 mm mandrel.

公开(公告)号：US09995874B2

公开(公告)日：2018-06-12

申请号：US14706302

申请日：2015-05-07

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Inna Igorevna Kouzmina ,  Ming-Jun Li ,  Manuela Ocampo ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  C08F222/10

CPC classification number: G02B6/02395 ,  C08F222/1006 ,  G02B6/02009 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/0286 ,  G02B6/0365

Abstract: Small-radius coated optical fibers having large mode field diameter and low bending losses. The coated fiber may have an outer radius of 110 μm or less, while providing a mode field diameter of 9.0 μm or greater and a bending loss when wrapped about a 15 mm mandrel of 0.5 dB/km or less at wavelength of 1550 nm. The coated fiber may have a mode field diameter of 9.2 μm or greater and may have a bending loss at 1550 nm of 0.25 dB/km or less when wrapped about a 20 mm mandrel or a bending loss at 1550 nm of 0.02 dB/km or less when wrapped about a 30 mm mandrel.

公开(公告)号：US20180128971A1

公开(公告)日：2018-05-10

申请号：US15864238

申请日：2018-01-08

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Inna lgorevna Kouzmina ,  Ming-Jun Li ,  Manuela Ocampo ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/036 ,  G02B6/028 ,  C08F222/10

CPC classification number: G02B6/02395 ,  C08F222/1006 ,  G02B6/02009 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/0286 ,  G02B6/0365

Abstract: Small-radius coated optical fibers having large mode field diameter and low bending losses. The coated fiber may have an outer radius of 110 μm or less, while providing a mode field diameter of 9.0 μm or greater and a bending loss when wrapped about a 15 mm mandrel of 0.5 dB/km or less at wavelength of 1550 nm. The coated fiber may have a mode field diameter of 9.2 μm or greater and may have a bending loss at 1550 nm of 0.25 dB/km or less when wrapped about a 20 mm mandrel or a bending loss at 1550 nm of 0.02 dB/km or less when wrapped about a 30 mm mandrel.

公开(公告)号：US20180031762A1

公开(公告)日：2018-02-01

申请号：US15660024

申请日：2017-07-26

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/44 ,  G02B6/036

Abstract: Single mode optical fibers with a chlorine doped core and a cladding having a fluorine doped trench region are disclosed. The optical fiber includes a chlorine doped silica core having a core alpha α≧10, a core radius r1 and maximum refractive index delta Δ1max % and a Cl concentration≧0.9 wt %. The optical fiber also has a cladding surrounding the core, the cladding having an inner and an outer cladding. The inner cladding has first and second cladding regions. The optical fiber has mode field diameter at 1310 nm of larger than 9 microns, a cable cutoff wavelength of ≦1260 nm, a zero dispersion wavelength λ0, where 1300 nm≦λ0≦1324 nm, and bend loss at 1550 nm for a 20 mm mandrel of less than 0.5 dB/turn.

公开(公告)号：US20180031761A1

公开(公告)日：2018-02-01

申请号：US15659955

申请日：2017-07-26

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/44 ,  G02B6/036

CPC classification number: G02B6/02276 ,  G02B6/02009 ,  G02B6/0286 ,  G02B6/03616 ,  G02B6/03627 ,  G02B6/03633 ,  G02B6/03655 ,  G02B6/4478

Abstract: An optical fiber comprising: (i) a chlorine doped silica based core comprising a core alpha (α)>10, and maximum refractive index delta Δ1max % and Cl concentration >1 wt %; (ii) a cladding surrounding the core, the cladding comprising: (a) an inner cladding region adjacent to and in contact with the core and having a refractive index delta Δ2 and a minimum refractive index delta Δ2min such that Δ2min

公开(公告)号：US09851501B2

公开(公告)日：2017-12-26

申请号：US15463142

申请日：2017-03-20

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon

IPC: G02B6/036 ,  G02B6/02

CPC classification number: G02B6/03672 ,  G02B6/02009 ,  G02B6/02014 ,  G02B6/02395 ,  G02B6/0365

Abstract: Disclosed herein are optical waveguide fibers comprising: (I) a core comprising an outer radius r1, a maximum refractive index delta percent Δ1 max and core alpha, α, of larger than 5; and (II) a cladding surrounding the core, the cladding comprising: (i) an inner cladding region having outer radius r2 and refractive index delta percent Δ2, wherein Δ1max>Δ2; (ii) a trench region surrounding the inner cladding region, the trench region having an outer radius, r3 where r3≧10 microns and refractive index delta percent Δ3; and (iii) an outer cladding region having chlorine concentration of ≧1.2 wt. % surrounding the trench region and comprising refractive index delta percent Δ4, wherein Δ1max>Δ4 and Δ2>Δ3, and Δ4>Δ3 and wherein the difference between Δ4 and Δ3 is ≧0.12 percent.

公开(公告)号：US20170363804A1

公开(公告)日：2017-12-21

申请号：US15601581

申请日：2017-05-22

Applicant: Corning Incorporated

Inventor： Ming-Jun Li ,  Jeffery Scott Stone ,  Gaozhu Peng

IPC: G02B6/02

CPC classification number: G02B6/02042 ,  C03B37/01222 ,  C03B37/01225 ,  C03B37/01248 ,  C03B2203/10 ,  C03B2203/34 ,  G02B6/02 ,  G02B6/02257 ,  G02B6/024 ,  G02B6/0365

Abstract: A multicore fiber is provided that includes a plurality of elliptical cores spaced apart from one another. Each of the plurality of elliptical cores has an elliptical shape. The multicore fiber also includes a cladding surrounding the plurality of elliptical cores.

公开(公告)号：US09846275B2

公开(公告)日：2017-12-19

申请号：US14862648

申请日：2015-09-23

Applicant: Corning Incorporated

Inventor： Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Michal Mlejnek ,  William Allen Wood ,  Aramais Robert Zakharian

IPC: H04B10/12 ,  G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  H04B10/2581 ,  H04B10/2543

CPC classification number: G02B6/02019 ,  C03B2201/12 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/24 ,  G02B6/02023 ,  G02B6/02309 ,  G02B6/0281 ,  G02B6/0288 ,  G02B6/03622 ,  G02B6/03638 ,  G02B6/0365 ,  H04B10/2543 ,  H04B10/2581

Abstract: A quasi-single-mode optical fiber with a large effective area is disclosed. The quasi-single-mode fiber has a core with a radius greater than 5 μm, and a cladding section configured to support a fundamental mode and a higher-order mode. The fundamental mode has an effective area greater than 170 μm2 and an attenuation of no greater than 0.17 dB/km at a wavelength of 1530 nm. The higher-order mode has an attenuation of at least 1.0 dB/km at the wavelength of 1530 nm. The quasi-single-mode optical fiber has a bending loss of less than 0.02 dB/turn for a bend diameter of 60 mm for a wavelength of 1625 nm.

公开(公告)号：US09798079B2

公开(公告)日：2017-10-24

申请号：US15264750

申请日：2016-09-14

Applicant: Corning Incorporated

Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Pushkar Tandon

IPC: G02B6/02 ,  G02B6/036 ,  G02B6/028

CPC classification number: G02B6/03627 ,  G02B6/02004 ,  G02B6/02009 ,  G02B6/02014 ,  G02B6/02395 ,  G02B6/0281 ,  G02B6/03644

Abstract: 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.