公开(公告)号：US11675122B2

公开(公告)日：2023-06-13

申请号：US17318510

申请日：2021-05-12

Applicant: CORNING INCORPORATED

Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Pushkar Tandon ,  Ruchi Sarda Tandon

IPC: G02B6/02 ,  G02B6/036 ,  C03C25/1065 ,  C03C25/50 ,  G02B6/028

CPC classification number: G02B6/02395 ,  G02B6/03627 ,  C03C25/1065 ,  C03C25/50 ,  G02B6/02009 ,  G02B6/0286

Abstract: The present disclosure provides optical fibers with an impact-resistant coating system. The fibers feature low attenuation. The coating system includes a primary coating and a secondary coating. The primary coating and secondary coating have reduced thickness to provide low-diameter fibers without sacrificing protection. The primary coating has high tear strength and is resistant to damage caused by mechanical force. The secondary coating has high puncture resistance. The outer diameter of the optical fiber is less than or equal to 190 μm.

公开(公告)号：US20210356661A1

公开(公告)日：2021-11-18

申请号：US17316292

申请日：2021-05-10

Applicant: CORNING INCORPORATED

Inventor： Kevin Wallace Bennett ,  Scott Robertson Bickham ,  Pushkar Tandon ,  Ruchi Sarda Tandon ,  Bin Yang

IPC: G02B6/12 ,  G02B6/02 ,  C03C13/04 ,  C03C25/105 ,  C08G18/32 ,  C08F22/14 ,  C08F22/10

Abstract: A disclosed multimode optical fiber comprises a core and a cladding surrounding the core. The core has an outer radius r1 in between 20 μm and 30 μm. The cladding includes a first outer cladding region having an outer radius r4a and a second outer cladding region having an outer radius r4b less than or equal to 45 μm. The second outer cladding region comprises silica-based glass doped with titania. The optical fiber further includes a primary coating with an outer radius r5 less than or equal to 80 μm, and a thickness (r5−r4) less than or equal to 30 μm. The optical fiber further includes a secondary coating with an outer radius r6 less than or equal to 100 μm. The secondary coating has a thickness (r6−r5) less than or equal to 30 μm, and a normalized puncture load greater than 3.6×10−3 g/micron2.

公开(公告)号：US12055753B2

公开(公告)日：2024-08-06

申请号：US18241178

申请日：2023-08-31

Applicant: CORNING INCORPORATED

Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon ,  Ruchi Sarda Tandon

IPC: G02B6/02 ,  C09D4/00 ,  C09D133/14 ,  C09D175/04 ,  G02B6/028 ,  G02B6/036

CPC classification number: G02B6/02395 ,  C09D4/00 ,  C09D133/14 ,  C09D175/04 ,  G02B6/0281 ,  G02B6/03627 ,  G02B6/0365

Abstract: The optical fiber disclosed has a glass fiber including a core and a cladding. The core comprises silica glass doped with chlorine and having an outer radius r1 between 3.0 microns and 10.0 microns. The cladding has an outer radius r4 not less than 50.0 microns. A primary coating surrounding the cladding has a thickness (r5-r4) between 5.0 microns and 20.0 microns, and an in situ modulus less than 0.30 MPa. A secondary coating surrounding the primary coating has a thickness (r6-r5) between 8.0 microns and 30.0 microns, a Young's modulus greater than 1500 MPa, and a normalized puncture load greater than 3.6×10−3 g/micron2. The optical fiber has a 22-meter cable cutoff wavelength less than 1530 nm, an attenuation at 1550 nm of less than 0.17 dB/km, and a bending loss at 1550 nm of less than 3.0 dB/turn.

公开(公告)号：US11733453B2

公开(公告)日：2023-08-22

申请号：US17315831

申请日：2021-05-10

Applicant: CORNING INCORPORATED

Inventor： Kevin Wallace Bennett ,  Scott Robertson Bickham ,  Pushkar Tandon ,  Ruchi Sarda Tandon ,  Bin Yang

IPC: G02B6/12 ,  C08F22/10 ,  C03C13/04 ,  C03C25/105 ,  C08F22/14 ,  C08G18/32 ,  C08G18/72 ,  G02B6/02

CPC classification number: G02B6/12 ,  C03C13/045 ,  C03C25/105 ,  C08F22/1006 ,  C08F22/14 ,  C08G18/3221 ,  C08G18/72 ,  G02B6/02033 ,  G02B2006/12038 ,  G02B2006/12073 ,  G02B2006/12088

Abstract: The optical fibers disclosed is a single mode optical fiber comprising a core region and a cladding region surrounding and directly adjacent to the core region. The core region can have a radius r1 in a range from 3 μm to 7 μm and a relative refractive index profile Δ1 having a maximum relative refractive index Δ1max in the range from 0.25% to 0.50%. The cladding region can include a first outer cladding region and a second outer cladding region surrounding and directly adjacent to the first outer cladding region. The first outer cladding region can have a radius r4a. The second outer cladding region can have a radius r4b less than or equal to 45 μm and comprising silica based glass doped with titania.

公开(公告)号：US11579359B2

公开(公告)日：2023-02-14

申请号：US17316292

申请日：2021-05-10

Applicant: CORNING INCORPORATED

Inventor： Kevin Wallace Bennett ,  Scott Robertson Bickham ,  Pushkar Tandon ,  Ruchi Sarda Tandon ,  Bin Yang

IPC: G02B6/12 ,  C08F22/10 ,  C03C13/04 ,  C03C25/105 ,  C08F22/14 ,  C08G18/32 ,  G02B6/02

Abstract: A disclosed multimode optical fiber comprises a core and a cladding surrounding the core. The core has an outer radius r1 in between 20 μm and 30 μm. The cladding includes a first outer cladding region having an outer radius r4a and a second outer cladding region having an outer radius r4b less than or equal to 45 μm. The second outer cladding region comprises silica-based glass doped with titania. The optical fiber further includes a primary coating with an outer radius r5 less than or equal to 80 μm, and a thickness (r5−r4) less than or equal to 30 μm. The optical fiber further includes a secondary coating with an outer radius r6 less than or equal to 100 μm. The secondary coating has a thickness (r6−r5) less than or equal to 30 μm, and a normalized puncture load greater than 3.6×10−3 g/micron2.

公开(公告)号：US20210356659A1

公开(公告)日：2021-11-18

申请号：US17315831

申请日：2021-05-10

Applicant: CORNING INCORPORATED

Inventor： Kevin Wallace Bennett ,  Scott Robertson Bickham ,  Pushkar Tandon ,  Ruchi Sarda Tandon ,  Bin Yang

IPC: G02B6/12 ,  G02B6/02 ,  C03C13/04 ,  C03C25/105 ,  C08G18/72 ,  C08G18/32 ,  C08F22/14 ,  C08F22/10

Abstract: The optical fibers disclosed is a single mode optical fiber comprising a core region and a cladding region surrounding and directly adjacent to the core region. The core region can have a radius r1 in a range from 3 μm to 7 μm and a relative refractive index profile Δ1 having a maximum relative refractive index Δ1max in the range from 0.25% to 0.50%. The cladding region can include a first outer cladding region and a second outer cladding region surrounding and directly adjacent to the first outer cladding region. The first outer cladding region can have a radius r4a. The second outer cladding region can have a radius rob less than or equal to 45 μm and comprising silica based glass doped with titania.

公开(公告)号：US20230408760A1

公开(公告)日：2023-12-21

申请号：US18241178

申请日：2023-08-31

Applicant: CORNING INCORPORATED

Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon ,  Ruchi Sarda Tandon

IPC: G02B6/02 ,  C09D4/00 ,  C09D133/14 ,  C09D175/04 ,  G02B6/028 ,  G02B6/036

CPC classification number: G02B6/02395 ,  C09D4/00 ,  C09D133/14 ,  C09D175/04 ,  G02B6/0281 ,  G02B6/03627 ,  G02B6/0365

Abstract: The optical fiber disclosed has a glass fiber including a core and a cladding. The core comprises silica glass doped with chlorine and having an outer radius r1 between 3.0 microns and 10.0 microns. The cladding has an outer radius r4 not less than 50.0 microns. A primary coating surrounding the cladding has a thickness (r5−r4) between 5.0 microns and 20.0 microns, and an in situ modulus less than 0.30 MPa. A secondary coating surrounding the primary coating has a thickness (r6−r5) between 8.0 microns and 30.0 microns, a Young's modulus greater than 1500 MPa, and a normalized puncture load greater than 3.6×10−3 g/micron 2. The optical fiber has a 22-meter cable cutoff wavelength less than 1530 nm, an attenuation at 1550 nm of less than 0.17 dB/km, and a bending loss at 1550 nm of less than 3.0 dB/turn.

公开(公告)号：US20210263215A1

公开(公告)日：2021-08-26

申请号：US17318510

申请日：2021-05-12

Applicant: CORNING INCORPORATED

Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Pushkar Tandon ,  Ruchi Sarda Tandon

IPC: G02B6/02 ,  G02B6/036

Abstract: The present disclosure provides optical fibers with an impact-resistant coating system. The fibers feature low attenuation. The coating system includes a primary coating and a secondary coating. The primary coating and secondary coating have reduced thickness to provide low-diameter fibers without sacrificing protection. The primary coating has high tear strength and is resistant to damage caused by mechanical force. The secondary coating has high puncture resistance. The outer diameter of the optical fiber is less than or equal to 190 μm.

公开(公告)号：US20210223469A1

公开(公告)日：2021-07-22

申请号：US17146881

申请日：2021-01-12

Applicant: CORNING INCORPORATED

Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon ,  Ruchi Sarda Tandon

IPC: G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  C09D4/00 ,  C09D175/04 ,  C09D133/14

Abstract: The optical fiber disclosed has a glass fiber including a core and a cladding. The core comprises silica glass doped with chlorine and having an outer radius r1 between 3.0 microns and 10.0 microns. The cladding has an outer radius r4 not less than 50.0 microns. A primary coating surrounding the cladding has a thickness (r5−r4) between 5.0 microns and 20.0 microns, and an in situ modulus less than 0.30 MPa. A secondary coating surrounding the primary coating has a thickness (r6−r5) between 8.0 microns and 30.0 microns, a Young's modulus greater than 1500 MPa, and a normalized puncture load greater than 3.6×10−3 g/micron2. The optical fiber has a 22-meter cable cutoff wavelength less than 1530 nm, an attenuation at 1550 nm of less than 0.17 dB/km, and a bending loss at 1550 nm of less than 3.0 dB/turn.