JP6187644B2 - 光ファイバ - Google Patents
光ファイバ Download PDFInfo
- Publication number
- JP6187644B2 JP6187644B2 JP2016141332A JP2016141332A JP6187644B2 JP 6187644 B2 JP6187644 B2 JP 6187644B2 JP 2016141332 A JP2016141332 A JP 2016141332A JP 2016141332 A JP2016141332 A JP 2016141332A JP 6187644 B2 JP6187644 B2 JP 6187644B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- concentration
- core
- alkali metal
- atomic ppm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000013307 optical fiber Substances 0.000 title claims description 157
- 229910052783 alkali metal Inorganic materials 0.000 claims description 96
- 150000001340 alkali metals Chemical class 0.000 claims description 90
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 77
- 229910052801 chlorine Inorganic materials 0.000 claims description 77
- 239000000460 chlorine Substances 0.000 claims description 77
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 23
- 229910052731 fluorine Inorganic materials 0.000 claims description 23
- 239000011737 fluorine Substances 0.000 claims description 23
- 238000005253 cladding Methods 0.000 claims description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 239000002019 doping agent Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 103
- 230000005540 biological transmission Effects 0.000 description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 34
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 29
- 238000000034 method Methods 0.000 description 20
- 229910052700 potassium Inorganic materials 0.000 description 20
- 239000011591 potassium Substances 0.000 description 20
- 239000003513 alkali Substances 0.000 description 17
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 16
- 239000000835 fiber Substances 0.000 description 14
- 239000006185 dispersion Substances 0.000 description 13
- 230000005855 radiation Effects 0.000 description 11
- 238000009826 distribution Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 229910052723 transition metal Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000002194 synthesizing effect Effects 0.000 description 6
- -1 alkali metal salt Chemical class 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910005793 GeO 2 Inorganic materials 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000004453 electron probe microanalysis Methods 0.000 description 2
- 150000002221 fluorine Chemical class 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/01228—Removal of preform material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
- C03B37/01869—Collapsing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02042—Multicore optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/0365—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - - +
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
ここで「原子ppm」とは、100万個のSiO2中に含まれる添加された原子の個数を表す。
Claims (4)
- コア領域と該コア領域を取り囲むクラッド領域とを有する光ファイバであって、
前記コア領域にアルカリ金属元素及び塩素元素が添加され、
前記コア領域における塩素元素濃度の最低値が1000原子ppm以上であり、
前記コア領域における塩素元素濃度の平均値が13000原子ppm以下であり、
前記コア領域におけるアルカリ金属の濃度の平均値が0.2原子ppm以上50原子ppm以下であり、
前記コア領域にさらに濃度15000原子ppm以下のフッ素元素が添加されており、
前記コア領域中のアルカリ金属元素、塩素元素及びフッ素元素以外のドーパントの平均濃度が、前記コア領域における塩素元素濃度の平均値とフッ素元素濃度の平均値との和より小さく、
0.1気圧の水素分圧下に温度40℃で3ヶ月に亘る水素処理により波長範囲1420〜1610nmにおいて損失ピークの発生が無い光ファイバ。 - 1気圧の水素分圧下に温度80℃で20時間に亘り水素処理を実施した後の波長1.38μm帯のOH基吸収による損失増が0.15dB/km以下である、
請求項1に記載の光ファイバ。 - 前記コア領域における塩素濃度が2000原子ppm以上である、
請求項1または2に記載の光ファイバ。 - 前記コア領域中のアルカリ金属元素の平均濃度が2原子ppm以下である、
請求項3に記載の光ファイバ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011091250 | 2011-04-15 | ||
JP2011091250 | 2011-04-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012003331A Division JP5974488B2 (ja) | 2011-04-15 | 2012-01-11 | 光ファイバおよび光ファイバ母材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016200830A JP2016200830A (ja) | 2016-12-01 |
JP6187644B2 true JP6187644B2 (ja) | 2017-08-30 |
Family
ID=46044383
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012003331A Active JP5974488B2 (ja) | 2011-04-15 | 2012-01-11 | 光ファイバおよび光ファイバ母材 |
JP2016141332A Active JP6187644B2 (ja) | 2011-04-15 | 2016-07-19 | 光ファイバ |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012003331A Active JP5974488B2 (ja) | 2011-04-15 | 2012-01-11 | 光ファイバおよび光ファイバ母材 |
Country Status (5)
Country | Link |
---|---|
US (2) | US9097834B2 (ja) |
EP (1) | EP2511741B1 (ja) |
JP (2) | JP5974488B2 (ja) |
CN (1) | CN102730977B (ja) |
DK (1) | DK2511741T3 (ja) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9139466B2 (en) * | 2011-01-20 | 2015-09-22 | Sumitomo Electric Industries, Ltd. | Optical fiber preform, optical fiber, and method of manufacturing optical fiber preform |
JP5974488B2 (ja) * | 2011-04-15 | 2016-08-23 | 住友電気工業株式会社 | 光ファイバおよび光ファイバ母材 |
JP5949016B2 (ja) * | 2011-06-15 | 2016-07-06 | 住友電気工業株式会社 | 光ファイバ製造方法 |
JP2013032241A (ja) * | 2011-08-01 | 2013-02-14 | Sumitomo Electric Ind Ltd | 光ファイバ母材製造方法 |
JP6269782B2 (ja) * | 2011-08-25 | 2018-01-31 | 住友電気工業株式会社 | 光ファイバ |
JP6035780B2 (ja) * | 2011-08-25 | 2016-11-30 | 住友電気工業株式会社 | 光ファイバ |
JP6136261B2 (ja) | 2012-01-23 | 2017-05-31 | 住友電気工業株式会社 | 光ファイバ |
DK2829522T3 (en) * | 2012-03-21 | 2018-11-05 | Sumitomo Electric Industries | PROCEDURE FOR MANUFACTURING OPTICAL FIBERS |
JP5625037B2 (ja) | 2012-03-23 | 2014-11-12 | 株式会社フジクラ | ガラス母材の製造方法 |
JP6048105B2 (ja) | 2012-12-12 | 2016-12-21 | 住友電気工業株式会社 | 光ファイバ製造方法および光ファイバ |
JP2014118334A (ja) * | 2012-12-18 | 2014-06-30 | Sumitomo Electric Ind Ltd | 光ファイバ製造方法 |
US9057814B2 (en) * | 2013-03-28 | 2015-06-16 | Corning Incorporated | Large effective area fiber with low bending losses |
JP2014214079A (ja) * | 2013-04-30 | 2014-11-17 | 住友電気工業株式会社 | 光ファイバ母材 |
JP6268758B2 (ja) * | 2013-06-10 | 2018-01-31 | 住友電気工業株式会社 | 光ファイバ |
CN105473518B (zh) | 2013-08-15 | 2019-11-05 | Agc株式会社 | 低散射石英玻璃和石英玻璃的热处理方法 |
JP6337509B2 (ja) * | 2014-02-24 | 2018-06-06 | 住友電気工業株式会社 | 光ファイバ母材製造方法 |
GB2526590A (en) * | 2014-05-29 | 2015-12-02 | Fibercore Ltd | Optical fiber and method of producing an optical fiber |
JP6579107B2 (ja) | 2014-07-22 | 2019-09-25 | 住友電気工業株式会社 | 光ファイバ母材製造方法および光ファイバ母材 |
JP5995923B2 (ja) * | 2014-08-06 | 2016-09-21 | 古河電気工業株式会社 | 光ファイバ母材および光ファイバの製造方法 |
US9658395B2 (en) * | 2014-10-21 | 2017-05-23 | Ofs Fitel, Llc | Low loss optical fiber and method of making the same |
JP6551109B2 (ja) * | 2014-11-20 | 2019-07-31 | 住友電気工業株式会社 | 光ファイバ |
JPWO2016152507A1 (ja) | 2015-03-25 | 2018-01-11 | 住友電気工業株式会社 | マルチコア光ファイバ |
JP6613604B2 (ja) * | 2015-04-30 | 2019-12-04 | 住友電気工業株式会社 | 光ファイバ母材 |
US9919955B2 (en) * | 2015-07-24 | 2018-03-20 | Ofs Fitel, Llc | Optical fiber with low loss and nanoscale structurally homogeneous core |
US9588287B2 (en) * | 2015-08-05 | 2017-03-07 | Sumitomo Electric Industries, Ltd. | Multimode optical fiber |
JP6551137B2 (ja) * | 2015-10-15 | 2019-07-31 | 住友電気工業株式会社 | 光ファイバ |
JP6620633B2 (ja) * | 2016-03-25 | 2019-12-18 | 住友電気工業株式会社 | 光ファイバ |
JP7013697B2 (ja) | 2017-07-12 | 2022-02-01 | 住友電気工業株式会社 | 光ファイバ母材 |
US11181686B2 (en) | 2018-04-30 | 2021-11-23 | Corning Incorporated | Small diameter low attenuation optical fiber |
CN112400127B (zh) | 2018-04-30 | 2023-05-23 | 康宁股份有限公司 | 小直径低衰减光纤 |
JP2021523397A (ja) | 2018-04-30 | 2021-09-02 | コーニング インコーポレイテッド | 小外径低減衰光ファイバ |
US11036000B2 (en) | 2019-01-16 | 2021-06-15 | Corning Incorporated | Optical fiber cable with high fiber count |
US11194107B2 (en) | 2019-08-20 | 2021-12-07 | Corning Incorporated | High-density FAUs and optical interconnection devices employing small diameter low attenuation optical fiber |
JP2021107915A (ja) * | 2019-12-27 | 2021-07-29 | 住友電気工業株式会社 | 光ファイバ |
WO2021141721A1 (en) | 2020-01-07 | 2021-07-15 | Corning Incorporated | Reduced radius optical fiber with high mechanical reliability |
WO2021231083A1 (en) | 2020-05-12 | 2021-11-18 | Corning Incorporated | Reduced diameter single mode optical fibers with high mechanical reliability |
CN111847867B (zh) * | 2020-07-21 | 2022-06-14 | 复旦大学 | 一种光纤预制棒及其制备方法 |
CN114199831B (zh) * | 2020-09-02 | 2023-08-04 | 中国科学院大连化学物理研究所 | 在空芯光子晶体光纤中充装碱金属蒸汽与检测的装置及方法与应用 |
JP2022190555A (ja) | 2021-06-14 | 2022-12-26 | 古河電気工業株式会社 | 光ファイバ |
WO2023157505A1 (ja) * | 2022-02-16 | 2023-08-24 | 住友電気工業株式会社 | 光ファイバ |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971645A (en) | 1975-09-12 | 1976-07-27 | Bell Telephone Laboratories, Incorporated | Method of making compound-glass optical waveguides fabricated by a metal evaporation technique |
US4678274A (en) * | 1983-12-27 | 1987-07-07 | Fuller Research Corporation | Low loss cladded optical fibers from halides and process for making same |
JPS61270232A (ja) * | 1985-01-14 | 1986-11-29 | Furukawa Electric Co Ltd:The | 光フアイバ母材の処理方法 |
JPH0737336B2 (ja) * | 1986-05-19 | 1995-04-26 | 古河電気工業株式会社 | 光伝送体 |
JPS62283845A (ja) * | 1986-05-31 | 1987-12-09 | Furukawa Electric Co Ltd:The | ド−プト石英系光フアイバ |
JPS6340744A (ja) * | 1986-08-07 | 1988-02-22 | Fujikura Ltd | 光フアイバ |
US5146534A (en) | 1991-11-12 | 1992-09-08 | At&T Bell Laboratories | SiO2 -based alkali-doped optical fiber |
US5509101A (en) | 1994-07-11 | 1996-04-16 | Corning Incorporated | Radiation resistant optical waveguide fiber and method of making same |
JPH0952731A (ja) * | 1995-08-15 | 1997-02-25 | Hoya Corp | 弗燐酸系ガラス、このガラスを用いた光ファイバ及びその製造方法 |
AU715509B2 (en) | 1996-07-16 | 2000-02-03 | Toyota Jidosha Kabushiki Kaisha | Ultralow-loss silica glass and optical fibers using the same |
CN1261332A (zh) * | 1997-06-23 | 2000-07-26 | 康宁股份有限公司 | 用于光学波导制品的组合物和连续包层纤维长丝的制造方法 |
US20040057692A1 (en) | 2002-08-28 | 2004-03-25 | Ball Laura J. | Low loss optical fiber and method for making same |
EP1663890B1 (en) | 2003-08-29 | 2020-09-23 | Corning Incorporated | Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same |
JP4870573B2 (ja) | 2003-12-12 | 2012-02-08 | コーニング インコーポレイテッド | アルカリがドープされた光ファイバ、そのプリフォームおよびその作成方法 |
JP2005206452A (ja) * | 2003-12-25 | 2005-08-04 | Sumitomo Electric Ind Ltd | フッ素添加シリカガラス体の製造方法、光ファイバプリフォームおよび光ファイバの製造方法、ならびに光ファイバ |
US20060130530A1 (en) | 2004-12-21 | 2006-06-22 | Anderson James G | Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom |
US7088900B1 (en) | 2005-04-14 | 2006-08-08 | Corning Incorporated | Alkali and fluorine doped optical fiber |
CN101583891A (zh) * | 2005-11-23 | 2009-11-18 | 康宁股份有限公司 | 低衰减非零色散位移光纤 |
US7536076B2 (en) | 2006-06-21 | 2009-05-19 | Corning Incorporated | Optical fiber containing alkali metal oxide |
US20080050086A1 (en) | 2006-08-24 | 2008-02-28 | Scott Robertson Bickham | Optical fiber containing alkali metal oxide |
US7805039B2 (en) | 2007-05-04 | 2010-09-28 | Weatherford/Lamb, Inc. | Single mode optical fiber with improved bend performance |
US7844155B2 (en) * | 2007-05-07 | 2010-11-30 | Corning Incorporated | Optical fiber containing alkali metal oxide |
US7489850B1 (en) | 2007-10-30 | 2009-02-10 | Corning Incorporated | Phosphorous and alkali doped optical fiber |
US7929818B1 (en) * | 2010-06-30 | 2011-04-19 | Corning Incorporated | Large effective area fiber with graded index GE-free core |
FR2968092B1 (fr) | 2010-11-25 | 2012-12-14 | Draka Comteq France | Fibre optique dopee en terres rares insensible aux irradiations |
JP5974488B2 (ja) | 2011-04-15 | 2016-08-23 | 住友電気工業株式会社 | 光ファイバおよび光ファイバ母材 |
JP2013032241A (ja) * | 2011-08-01 | 2013-02-14 | Sumitomo Electric Ind Ltd | 光ファイバ母材製造方法 |
US8666214B2 (en) * | 2011-11-30 | 2014-03-04 | Corning Incorporated | Low bend loss optical fiber |
JP6136261B2 (ja) * | 2012-01-23 | 2017-05-31 | 住友電気工業株式会社 | 光ファイバ |
-
2012
- 2012-01-11 JP JP2012003331A patent/JP5974488B2/ja active Active
- 2012-04-09 US US13/441,978 patent/US9097834B2/en active Active
- 2012-04-12 CN CN201210107137.8A patent/CN102730977B/zh active Active
- 2012-04-12 DK DK12163886.0T patent/DK2511741T3/da active
- 2012-04-12 EP EP12163886.0A patent/EP2511741B1/en active Active
-
2015
- 2015-06-18 US US14/743,270 patent/US9322990B2/en active Active
-
2016
- 2016-07-19 JP JP2016141332A patent/JP6187644B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN102730977A (zh) | 2012-10-17 |
US9322990B2 (en) | 2016-04-26 |
EP2511741A2 (en) | 2012-10-17 |
EP2511741B1 (en) | 2021-10-20 |
DK2511741T3 (da) | 2021-11-15 |
US9097834B2 (en) | 2015-08-04 |
US20120263427A1 (en) | 2012-10-18 |
US20150285992A1 (en) | 2015-10-08 |
JP2012229150A (ja) | 2012-11-22 |
CN102730977B (zh) | 2016-06-29 |
JP5974488B2 (ja) | 2016-08-23 |
EP2511741A3 (en) | 2018-01-10 |
JP2016200830A (ja) | 2016-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6187644B2 (ja) | 光ファイバ | |
US9512033B2 (en) | Optical fiber preform | |
US9139466B2 (en) | Optical fiber preform, optical fiber, and method of manufacturing optical fiber preform | |
JP5974455B2 (ja) | 光ファイバ母材、光ファイバ製造方法および光ファイバ | |
US9411095B2 (en) | Optical-fiber preform and method for manufacturing optical-fiber preform | |
JP6337509B2 (ja) | 光ファイバ母材製造方法 | |
US8839646B2 (en) | Method for producing optical fiber preform | |
JP6551109B2 (ja) | 光ファイバ | |
JP5896056B2 (ja) | 光ファイバ母材および光ファイバ | |
JP6613604B2 (ja) | 光ファイバ母材 | |
WO2015079987A1 (ja) | 光ファイバ及び光ファイバ母材 | |
JP7380546B2 (ja) | 光ファイバ | |
US10723650B2 (en) | Optical fiber preform | |
EP3173388B1 (en) | Method of manufacturing optical fiber preform | |
JP2014214079A (ja) | 光ファイバ母材 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170517 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170704 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170717 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6187644 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |