NL2025269B1 - Reduced diameter optical fiber with improved microbending - Google Patents
Reduced diameter optical fiber with improved microbending Download PDFInfo
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- NL2025269B1 NL2025269B1 NL2025269A NL2025269A NL2025269B1 NL 2025269 B1 NL2025269 B1 NL 2025269B1 NL 2025269 A NL2025269 A NL 2025269A NL 2025269 A NL2025269 A NL 2025269A NL 2025269 B1 NL2025269 B1 NL 2025269B1
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- microns
- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 242
- 238000005253 cladding Methods 0.000 claims abstract description 219
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 13
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims description 236
- 239000011248 coating agent Substances 0.000 claims description 198
- 239000000835 fiber Substances 0.000 claims description 97
- 238000011065 in-situ storage Methods 0.000 claims description 17
- 239000011734 sodium Substances 0.000 claims description 5
- 230000009477 glass transition Effects 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 description 53
- 239000000523 sample Substances 0.000 description 32
- 238000013461 design Methods 0.000 description 31
- 239000011521 glass Substances 0.000 description 31
- 239000008199 coating composition Substances 0.000 description 26
- 238000012360 testing method Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 23
- 239000006185 dispersion Substances 0.000 description 22
- 239000000203 mixture Substances 0.000 description 17
- 238000005259 measurement Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 15
- 239000000463 material Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000007704 transition Effects 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000005452 bending Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 230000035882 stress Effects 0.000 description 8
- 239000003292 glue Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- VFHVQBAGLAREND-UHFFFAOYSA-N diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)P(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 VFHVQBAGLAREND-UHFFFAOYSA-N 0.000 description 6
- 239000000976 ink Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- VFBJXXJYHWLXRM-UHFFFAOYSA-N 2-[2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]ethylsulfanyl]ethyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCSCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 VFBJXXJYHWLXRM-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 238000007373 indentation Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000000153 supplemental effect Effects 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 239000000178 monomer Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- QNODIIQQMGDSEF-UHFFFAOYSA-N (1-hydroxycyclohexyl)-phenylmethanone Chemical compound C=1C=CC=CC=1C(=O)C1(O)CCCCC1 QNODIIQQMGDSEF-UHFFFAOYSA-N 0.000 description 2
- XMIIGOLPHOKFCH-UHFFFAOYSA-N 3-phenylpropionic acid Chemical compound OC(=O)CCC1=CC=CC=C1 XMIIGOLPHOKFCH-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- FHLPGTXWCFQMIU-UHFFFAOYSA-N [4-[2-(4-prop-2-enoyloxyphenyl)propan-2-yl]phenyl] prop-2-enoate Chemical compound C=1C=C(OC(=O)C=C)C=CC=1C(C)(C)C1=CC=C(OC(=O)C=C)C=C1 FHLPGTXWCFQMIU-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- -1 lithium (Li) Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- PJAKWOZHTFWTNF-UHFFFAOYSA-N (2-nonylphenyl) prop-2-enoate Chemical compound CCCCCCCCCC1=CC=CC=C1OC(=O)C=C PJAKWOZHTFWTNF-UHFFFAOYSA-N 0.000 description 1
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
- KBQVDAIIQCXKPI-UHFFFAOYSA-N 3-trimethoxysilylpropyl prop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C=C KBQVDAIIQCXKPI-UHFFFAOYSA-N 0.000 description 1
- QEIQEORTEYHSJH-UHFFFAOYSA-N Armin Natural products C1=CC(=O)OC2=C(O)C(OCC(CCO)C)=CC=C21 QEIQEORTEYHSJH-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- JOBBTVPTPXRUBP-UHFFFAOYSA-N [3-(3-sulfanylpropanoyloxy)-2,2-bis(3-sulfanylpropanoyloxymethyl)propyl] 3-sulfanylpropanoate Chemical compound SCCC(=O)OCC(COC(=O)CCS)(COC(=O)CCS)COC(=O)CCS JOBBTVPTPXRUBP-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- KQWGXHWJMSMDJJ-UHFFFAOYSA-N cyclohexyl isocyanate Chemical compound O=C=NC1CCCCC1 KQWGXHWJMSMDJJ-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052730 francium Inorganic materials 0.000 description 1
- KLMCZVJOEAUDNE-UHFFFAOYSA-N francium atom Chemical compound [Fr] KLMCZVJOEAUDNE-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
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- 238000009877 rendering Methods 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- NZARHKBYDXFVPP-UHFFFAOYSA-N tetrathiolane Chemical compound C1SSSS1 NZARHKBYDXFVPP-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
- G02B6/0365—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 - - +
-
- 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
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
-
- 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
- G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
- G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
- G02B6/02019—Effective area greater than 90 square microns in the C band, i.e. 1530-1565 nm
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
Claims (42)
1. Optische vezel, omvattende: een kerngebied, omvattende met een alkalimetaal gedoteerd silicaglas; en een bekledingsgebied dat het kerngebied omgeeft, waarbij het bekledingsgebied een binnenbekleding omvat die direct aan het kerngebied grenst, een buitenbekleding die de binnenbekleding omgeeft en een sleufgebied dat in radiale richting tussen de binnenbekleding en de buitenbekleding is aangebracht, waarbij het sleufgebied een volume heeft van ongeveer 30 %A- micron” of groter.
2. Optische vezel volgens conclusie 1, die bij 1550 nm een effectieve oppervlakte heeft van ongeveer 100 micron’ of kleiner.
3. Optische vezel volgens conclusie 1 of 2, waarbij het kerngebied een piek- alkalimetaalconcentratie heeft in een bereik van ongeveer 10 ppm tot ongeveer 500 ppm.
4. Optische vezel volgens één van de conclusies 1-3, waarbij het alkalimetaal ten minste één van natrium, kalium en rubidium is.
5. Optische vezel volgens één van de conclusies 1-4, waarbij de effectieve oppervlakte bij 1550 nm in een bereik van ongeveer 70 micron’ tot ongeveer 90 micron? ligt.
6. Optische vezel volgens conclusie 5, waarbij de effectieve oppervlakte bij 1550 nm ongeveer 80 micron’ is.
7. Optische vezel volgens één van de conclusies 1-6, waarbij het volume van het sleufgebied ongeveer 70 %A-micron? of kleiner is.
8. Optische vezel volgens één van de conclusies 1-7, waarbij de optische vezel een modus velddiameter heeft in een bereik van ongeveer 9 micron tot ongeveer 9,5 micron bij 1310 nm en in een bereik van ongeveer 10 micron tot ongeveer 10,5 micron bij 1550 nm.
9. Optische vezel volgens één van de conclusies 1-8, waarbij de optische vezel bij 1550 nm een verzwakking heeft van ongeveer 0,175 dB/km of kleiner.
10. Optische vezel volgens conclusie 9, waarbij de verzwakking bij 1550 nm ongeveer 0,170 dB/km of kleiner is.
11. Optische vezel volgens conclusie 10, waarbij de verzwakking bij 1550 nm ongeveer 0,160 dB/km of kleiner is.
12. Optische vezel volgens één van de conclusies 1-11, waarbij een diameter van het bekledingsgebied ongeveer 130 micron of kleiner is.
13. Optische vezel volgens conclusie 12, waarbij de diameter van het bekledingsgebied ongeveer 110 micron of kleiner is.
14. Optische vezel volgens conclusie 13, waarbij de diameter van het bekledingsgebied ongeveer 90 micron of kleiner is.
15. Optische vezel volgens één van de voorgaande conclusies, voorts omvattende een primaire coating, die het bekledingsgebied omgeeft en bij voorkeur in contact is met het bekledingsgebied, en een secundaire coating, die de primaire coating omgeeft en bij voorkeur in contact is met de primaire coating.
16. Optische vezel volgens conclusie 15, waarbij een diameter van de secundaire coating ongeveer 210 micron of kleiner is.
17. Optische vezel volgens conclusie 16, waarbij de diameter van de secundaire coating ongeveer 200 micron of kleiner is.
18. Optische vezel volgens conclusie 17, waarbij de diameter van de secundaire coating ongeveer 180 micron of kleiner is.
19. Optische vezel volgens één van de conclusies 15-18, waarbij de diameter van het bekledingsgebied ongeveer 90 micron of kleiner is en de diameter van de secundaire coating ongeveer 180 micron of kleiner is.
20. Optische vezel volgens één van de conclusies 15-19, waarbij een in situ modulus van de primaire coating ongeveer 0,5 MPa of kleiner is en een in situ modulus van de secundaire coating ongeveer 1500 MPa of groter is.
21. Optische vezel volgens conclusie 20, waarbij een verhouding van een dikte van de secundaire coating tot een dikte van de primaire coating tussen 0,65 en 1,2 ligt.
22. Optische vezel volgens één van de conclusies 15-21, waarbij een dikte van de primaire coating ongeveer 25 micron of kleiner is.
23. Optische vezel volgens conclusie 22, waarbij de dikte van de primaire coating in een bereik van ongeveer 8,0 micron tot 20,0 micron ligt.
24. Optische vezel volgens één van de conclusies 15-23, waarbij een dikte van de secundaire coating ongeveer 25 micron of kleiner is.
25. Optische vezel volgens conclusie 24, waarbij de dikte van de secundaire coating in een bereik van ongeveer 8,0 micron tot 20,0 micron ligt.
26. Optische vezel volgens één van de conclusies 21-25, waarbij de verhouding van de dikte van de secundaire coating tot de dikte van de primaire coating ongeveer 0,80 is.
27. Optische vezel volgens één van de voorgaande conclusies, waarbij het kerngebied een piek- alkalimetaalconcentratie heeft in een bereik van ongeveer 10 ppm tot ongeveer 500 ppm.
28. Optische vezel volgens één van de voorgaande conclusies, waarbij het volume van het sleufgebied ongeveer 70 %-micron2 of kleiner is.
29. Optische vezel volgens één van de conclusies 15-28, waarbij een in site glasovergangstemperatuur Tg van de secundaire coating groter is dan ongeveer 70°C.
30. Optische vezel volgens conclusie 29, waarbij de in sifu glasovergangstemperatuur Tg van de secundaire coating groter is dan ongeveer 90°C.
31. Optische vezel volgens één van de voorgaande conclusies, waarbij een perforatieweerstand van de optische vezel ongeveer 5 g of groter is.
32, Optische vezel volgens conclusie 31, waarbij de perforatieweerstand van de optische vezel ongeveer 15 g of groter is.
33. Optische vezel volgens conclusie 32, waarbij de perforatieweerstand van de optische vezel ongeveer 25 g of groter is.
34. Optische vezel volgens conclusie 33, waarbij de perforatieweerstand van de optische vezel ongeveer 50 g of groter is.
35. Optische vezel volgens één van de voorgaande conclusies, waarbij het kerngebied bij 1550 nm een verzwakking heeft van ongeveer 0,175 dB/km of kleiner.
36. Optische vezel volgens conclusie 35, waarbij de verzwakking bij 1550 nm ongeveer 0,170 dB/km of kleiner is.
37. Optische vezel volgens conclusie 36, waarbij de verzwakking bij 1550 nm ongeveer 0,160 dB/km of kleiner is.
38, Optische vezel volgens één van de conclusies 15-37, voorts omvattende een tertiaire inktlaag die de secundaire coating omgeeft.
39, Optische-vezelkabel, omvattende een door een mantel omgeven veelvoud aan optische vezels volgens één van de voorgaande conclusies.
40. Optische-vezelkabel volgens conclusie 39, voorts omvattende verstevigingselementen die in de mantel zijn ingebed, waarbij de verstevigingselementen vezels of staven omvatten die stugger zijn dan de mantel.
41. Optische-vezelkabel volgens conclusie 39 of 40, waarbij de optische-vezelkabel een onderzeese kabel is.
42. Gebruik van een optische vezel volgens één van de conclusies 1-38 of een optische-vezelkabel volgens één van de conclusies 39-41 in een onderwateromgeving.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
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| US17/184,909 US11874494B2 (en) | 2020-03-18 | 2021-02-25 | Reduced diameter optical fiber with improved microbending |
| JP2022556071A JP2023518942A (ja) | 2020-03-18 | 2021-03-01 | マイクロベンドが改善された直径の減少した光ファイバ |
| CN202180033265.XA CN115552298A (zh) | 2020-03-18 | 2021-03-01 | 改善了微弯曲的直径减小的光纤 |
| PCT/US2021/020211 WO2021188289A1 (en) | 2020-03-18 | 2021-03-01 | Reduced diameter optical fiber with improved microbending |
| EP21162261.8A EP3882676A1 (en) | 2020-03-18 | 2021-03-12 | Reduced diameter optical fiber with improved microbending |
| US18/379,476 US20240045138A1 (en) | 2020-03-18 | 2023-10-12 | Reduced diameter optical fiber with improved microbending |
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| US202062991231P | 2020-03-18 | 2020-03-18 |
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| US20080279515A1 (en) * | 2007-05-07 | 2008-11-13 | Scott Robertson Bickham | Optical fiber containing alkali metal oxide |
| US20120106909A1 (en) * | 2010-10-29 | 2012-05-03 | Scott Robertson Bickham | Large effective area optical fiber with low bend loss |
| US8467649B2 (en) * | 2009-11-30 | 2013-06-18 | Corning Incorporated | Large effective area fiber |
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|---|---|---|---|---|
| US20080279515A1 (en) * | 2007-05-07 | 2008-11-13 | Scott Robertson Bickham | Optical fiber containing alkali metal oxide |
| US8467649B2 (en) * | 2009-11-30 | 2013-06-18 | Corning Incorporated | Large effective area fiber |
| US20120106909A1 (en) * | 2010-10-29 | 2012-05-03 | Scott Robertson Bickham | Large effective area optical fiber with low bend loss |
Non-Patent Citations (1)
| Title |
|---|
| G. SCOTT GLAESEMANNDONALD A. CLARK: "Quantifying the Puncture Resistance of Optical Fiber Coatings", PROCEEDINGS OF THE 52ND INTERNATIONAL WIRE & CABLE SYMPOSIUM, 2003, pages 237 - 245 |
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