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公开(公告)号：US10228509B2
公开(公告)日：2019-03-12
申请号：US15485619
申请日：2017-04-12
Applicant: Corning Incorporated
Inventor： Dana Craig Bookbinder , Ming-Jun Li , Hazel Benton Matthews, III , Pushkar Tandon
Abstract: A single mode optical fiber having a core made from silica and less than or equal to about 6.5 weight % germania and having a maximum relative refractive index Δ1MAX. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2MIN. A difference between a softening point of the core and a softening point of the inner cladding is less than or equal to about 20° C., and Δ1MAX>Δ2MIN. The single mode optical fiber may also have an outer cladding surrounding the inner cladding made from silica or SiON. The outer cladding has a maximum relative refractive index Δ3MAX, and Δ3MAX>Δ2MIN. A method for manufacturing an optical fiber includes providing a preform to a first furnace, the preform, drawing the optical fiber from the preform, and cooling the drawn optical fiber in a second furnace.
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公开(公告)号：US10150695B2
公开(公告)日：2018-12-11
申请号：US15689648
申请日：2017-08-29
Applicant: Corning Incorporated
Inventor： Dana Craig Bookbinder , Ming-Jun Li , Pushkar Tandon
Abstract: A co-doped optical fiber is provided having an attenuation of less than about 0.17 dB/km at a wavelength of 1550 nm. The fiber includes a core region in the fiber having a graded refractive index profile with an alpha of greater than 5. The fiber also includes a first cladding region in the fiber that surrounds the core region. Further, the core region has a relative refractive index of about −0.10% to about +0.05% compared to pure silica. In addition, the core region includes silica that is co-doped with chlorine at about 1.2% or greater by weight and fluorine between about 0.1% and about 1% by weight.
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公开(公告)号：US10094974B2
公开(公告)日：2018-10-09
申请号：US15337376
申请日：2016-10-28
Applicant: Corning Incorporated
Inventor： Minghan Chen , Ming-Jun Li , Jeffery Scott Stone
Abstract: Multicore optical fibers are disclosed that have randomly arranged cores within a cladding matrix. In some cases, the cores are defined by air lines formed in a glass matrix. The cores can have an edge-to-edge spacing designed so that the multicore optical fiber operates in either a weak-coupling regime or a strong-coupling regime. Imaging systems and optical fiber communication systems that utilize the multicore fibers disclosed here are also presented.
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公开(公告)号：US20180210212A1
公开(公告)日：2018-07-26
申请号：US15874363
申请日：2018-01-18
Applicant: Corning Incorporated
Inventor： Ming-Jun Li , Anping Liu
CPC classification number: G02B27/0994 , G02B6/03605 , G02B6/03611 , G02B6/0365 , G02B6/03688 , G02B6/14 , G02B27/0927
Abstract: An optical fiber for converting a Gaussian laser beam into a Bessel laser beam may include a first segment optically coupled to a second segment with a transition region, the first segment having a first outer diameter greater than a second outer diameter of the second segment. The first segment may include a first core portion with a first cladding portion extending around the first core portion. The first core portion may have an annular core region with a relative refractive index relative to the first cladding portion. The second segment may include a second core portion with a second cladding portion extending around the second core portion. The second core portion has a relative refractive index relative to the second cladding portion and the relative refractive index of the first annular core region may be substantially equal to the relative refractive index of the second core portion.
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公开(公告)号：US20180202843A1
公开(公告)日：2018-07-19
申请号：US15873459
申请日：2018-01-17
Applicant: Corning Incorporated
Inventor： Anthony Artuso , Valery A. Kozlov , Ming-Jun Li
CPC classification number: G01D5/3538 , G01D5/35361 , G01D5/35364 , G01K11/32 , G01L1/242 , G01M11/3109 , G02B6/02042 , G02B6/0281 , G02B6/0285 , G02B6/0286 , G02B6/03633 , G02B6/03644
Abstract: According to some embodiments a fiber sensor comprises: —an optical fiber configured for operation at a wavelength from about 300 nm to about 2000 nm, and further defined by a transmission end, a another end, a fiber outer diameter and a fiber length, the fiber comprising: (a) a hybrid core comprising a single mode core portion and a multi-mode core portion; and (b) a cladding surrounding the hybrid core.
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Patent Agency Ranking
公开(公告)号：US09964701B2
公开(公告)日：2018-05-08
申请号：US15601527
申请日：2017-05-22
Applicant: Corning Incorporated
Inventor： Dana Craig Bookbinder , Ming-Jun Li , Pushkar Tandon
IPC: G02B6/028 , C03B37/012 , C03B37/15 , G02B6/02 , G02B6/036 , G02B6/28 , C03B37/014
CPC classification number: G02B6/0288 , C03B37/012 , C03B37/01453 , C03B37/15 , C03B2201/12 , C03B2201/31 , C03B2203/23 , C03B2203/26 , G02B6/02047 , G02B6/02395 , G02B6/036 , G02B6/28
Abstract: A method of making a multi-mode optical fiber that includes: depositing a porous germania-doped silica soot to form a germania-doped porous soot preform; depositing a porous silica layer over the porous soot preform; doping the porous soot preform and the porous silica layer with a fluorine dopant to form a co-doped soot preform having a core region and a fluorine-doped trench region; consolidating the co-doped soot preform to form a sintered glass, co-doped core preform having a refractive index alpha profile between 1.9 and 2.2 measured at 850 nm; depositing a cladding comprising silica over the sintered glass, co-doped preform to form a multi-mode optical fiber preform; drawing the optical fiber preform into a multi-mode optical fiber. Further, the step of doping the germania-doped soot preform and the porous silica layer is conducted according to a doping parameter (Φ) that is set between 20 and 300, and given by: Φ = 1 × 10 14 R prc 2 exp ( - E / RT dop ) T dop 1 / 2 x 3 / 4 .
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公开(公告)号：US20180057396A1
公开(公告)日：2018-03-01
申请号：US15691139
申请日：2017-08-30
Applicant: Corning Incorporated
Inventor： Ming-Jun Li , Shenping Li , Jeffery Scott Stone
IPC: C03C13/04 , G02B6/036 , G02B6/02 , C03B37/012 , G01D5/353
CPC classification number: C03C13/046 , C03B37/01237 , C03B37/018 , C03B37/025 , C03B37/02763 , C03B2203/18 , C03B2203/22 , C03B2203/24 , C03C3/06 , C03C2201/31 , C03C2213/00 , G01D5/35364 , G01D5/3538 , G02B6/02014 , G02B6/03633 , H04B10/071 , H04B10/25
Abstract: The single-mode optical fibers have a core region that includes an inner core region having a delta value Δ1 and a radius r1 immediately surrounded by an outer core region of radius r2 and a delta value Δ2
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公开(公告)号：US20180016188A1
公开(公告)日：2018-01-18
申请号：US15718559
申请日：2017-09-28
Applicant: CORNING INCORPORATED
Inventor： Sean Matthew Garner , Ming-Jun Li , Xinghua Li
CPC classification number: C03C23/0025 , C03C21/002
Abstract: A method for forming ion-exchanged regions in a glass article by contacting an ion source with at least one surface of the glass article, forming a first ion-exchanged region in the glass article by heating a first portion of the glass article with a laser, and forming a second ion-exchanged region in the glass article. Characteristics of the first ion-exchanged region may be different from characteristics of the second ion-exchanged region. A depth of the ion-exchanged region may be greater than 1 μm. A glass article including a first ion-exchanged region, and a second ion-exchanged region having different characteristics from the first ion-exchanged region. The thickness of the glass article is less than or equal to about 0.5 mm.
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公开(公告)号：US20170341812A1
公开(公告)日：2017-11-30
申请号：US15610048
申请日：2017-05-31
Applicant: CORNING INCORPORATED
Inventor： Steven Edward DeMartino , Daniel Warren Hawtof , Ming-Jun Li , Anping Liu , John Stephen Peanasky , Christopher Lee Timmons , Qi Wu
IPC: B65D23/00 , B23K26/53 , B23K26/0622 , C03C15/00 , B23K26/00 , B23K103/00
Abstract: A glass container including a body having a delamination factor less than or equal to 10 and at least one marking is described. The body has an inner surface, an outer surface, and a wall thickness extending between the outer surface and the inner surface. The marking is located within the wall thickness. In particular, the marking is a portion of the body having a refractive index that differs from a refractive index of an unmarked portion of the body. Methods of forming the marking within the body are also described.
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公开(公告)号：US09804326B2
公开(公告)日：2017-10-31
申请号：US15175403
申请日：2016-06-07
Applicant: Corning Incorporated
Inventor： Scott Robertson Bickham , Dana Craig Bookbinder , Ming-Jun Li , Pushkar Tandon
CPC classification number: G02B6/0288 , G02B6/02004 , G02B6/02395 , G02B6/0281 , G02B6/03627 , G02B6/0365 , G02B6/42 , H04B10/2581 , H04B10/503
Abstract: A multimode coupling fiber for optical data links features low coupling loss to silicon photonics lasers, VCSELs, single mode transmission fibers, multimode transmission fibers, and high speed receivers. The coupling fiber includes a core, an optional inner cladding region, a depressed index cladding region, and an outer cladding region. The relative refractive index profile of the coupling fiber includes a core region with α profile and a depressed index cladding region that facilitates low bending loss and high bandwidth. The mode field diameter of the coupling fiber is well-matched to standard single mode transmission fibers and the etendue of the coupling fiber is high enough to couple efficiently to multimode transmission fibers.
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