JP6671410B2 - 低曲げ損失光ファイバ - Google Patents
低曲げ損失光ファイバ Download PDFInfo
- Publication number
- JP6671410B2 JP6671410B2 JP2018083734A JP2018083734A JP6671410B2 JP 6671410 B2 JP6671410 B2 JP 6671410B2 JP 2018083734 A JP2018083734 A JP 2018083734A JP 2018083734 A JP2018083734 A JP 2018083734A JP 6671410 B2 JP6671410 B2 JP 6671410B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- refractive index
- cladding region
- region
- delta
- 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.)
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- 239000013307 optical fiber Substances 0.000 title claims description 49
- 238000005452 bending Methods 0.000 title claims description 28
- 238000005253 cladding Methods 0.000 claims description 68
- 239000000835 fiber Substances 0.000 claims description 37
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 229940119177 germanium dioxide Drugs 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 description 26
- 230000003287 optical effect Effects 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 239000002019 doping agent Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 7
- 239000000377 silicon dioxide Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000001069 Raman spectroscopy Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- OWWYREKLGMILGW-UHFFFAOYSA-N δline Chemical compound COC1C2C3C4(C5C6OC(C)=O)C(OC)CCC5(C)CN(CC)C4C46OCOC42CC(OC)C1C3 OWWYREKLGMILGW-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010998 test method Methods 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
- G02B6/03622—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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02266—Positive dispersion fibres at 1550 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
-
- 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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
- G02B6/02238—Low dispersion slope fibres
- G02B6/02242—Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Lasers (AREA)
Description
2 内層クラッド領域
3 外層クラッド領域
10 光ファイバ
Claims (9)
- 光ファイバにおいて、
外半径r1及び相対屈折率Δ1を有する二酸化ゲルマニウムドープ中心コア領域、及び
外半径r2>8μm及び相対屈折率Δ2を有する第1の内層クラッド領域と、前記内層クラッド領域を囲み、相対屈折率Δ3を有する第2の外層クラッド領域とを含むクラッド層領域、
を有し、
Δ1>Δ3>Δ2であり、前記第2の外層クラッド領域が3000ppmより多くの塩素を含み、Δ3とΔ2の間の差が0.01%より大きく、前記ファイバが1260nm以下の22mケーブルカットオフを示し、1310nmにおいて8.2μmと9.5μmとの間のモードフィールド径(MFD)を有し、r1/r2が0.25以上であり、
前記第1の内層クラッド領域がフッ素及び二酸化ゲルマニウムを実質的に含んでいない
こと、
を特徴とする光ファイバ。 - 前記ファイバが、20mm直径マンドレルに巻き付けられたときに、波長1550nmにおいて0.75dB/ターン未満の曲げ損失を示すことを特徴とする請求項1に記載の光ファイバ。
- r2から少なくとも30μmの半径まで延びる長さにわたりΔ3>Δ2であることを特徴とする請求項1に記載の光ファイバ。
- r1/r2が0.3より大きいことを特徴とする請求項1に記載の光ファイバ。
- 前記第1の内層クラッド領域の前記外半径と径方向30μmの距離の間で計算される、前記外層クラッド領域のプロファイル体積,V3が、
- 前記ファイバが、6.6と7.5との間のMAC数を有することを特徴とする請求項1に記載の光ファイバ。
- 前記第1の内層クラッド領域の幅r2−r1が、3μmと13μmとの間の幅であることを特徴とする請求項1に記載の光ファイバ。
- 前記ファイバが、15mm直径マンドレルに巻き付けられたときに、波長1550nmにおいて1dB/ターン未満の曲げ損失を示すことを特徴とする請求項6に記載の光ファイバ。
- 前記中心コア領域が、3μmから6μmの前記外半径r1、および0.3%から0.5%の前記相対屈折率Δ1を有し、
前記第1の内層クラッド領域の前記外半径と径方向30μmの距離の間で計算される、前記外層クラッド領域のプロファイル体積,V3が、
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30862510P | 2010-02-26 | 2010-02-26 | |
US61/308,625 | 2010-02-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016036878A Division JP2016128932A (ja) | 2010-02-26 | 2016-02-29 | 低曲げ損失光ファイバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018146968A JP2018146968A (ja) | 2018-09-20 |
JP6671410B2 true JP6671410B2 (ja) | 2020-03-25 |
Family
ID=43854085
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012555067A Pending JP2013520711A (ja) | 2010-02-26 | 2011-02-22 | 低曲げ損失光ファイバ |
JP2016036878A Pending JP2016128932A (ja) | 2010-02-26 | 2016-02-29 | 低曲げ損失光ファイバ |
JP2018083734A Active JP6671410B2 (ja) | 2010-02-26 | 2018-04-25 | 低曲げ損失光ファイバ |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012555067A Pending JP2013520711A (ja) | 2010-02-26 | 2011-02-22 | 低曲げ損失光ファイバ |
JP2016036878A Pending JP2016128932A (ja) | 2010-02-26 | 2016-02-29 | 低曲げ損失光ファイバ |
Country Status (8)
Country | Link |
---|---|
US (1) | US8542969B2 (ja) |
EP (1) | EP2539752B1 (ja) |
JP (3) | JP2013520711A (ja) |
KR (1) | KR20130036207A (ja) |
CN (1) | CN102782541B (ja) |
BR (1) | BR112012020042B1 (ja) |
RU (1) | RU2567468C2 (ja) |
WO (1) | WO2011106293A1 (ja) |
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JP5486138B2 (ja) * | 2011-08-26 | 2014-05-07 | 株式会社フジクラ | 光ファイバ、及び、光伝送路 |
US8588569B2 (en) * | 2011-11-30 | 2013-11-19 | Corning Incorporated | Low bend loss optical fiber |
CN103149630B (zh) * | 2013-03-06 | 2016-02-24 | 长飞光纤光缆股份有限公司 | 一种低衰减单模光纤 |
US9188736B2 (en) * | 2013-04-08 | 2015-11-17 | Corning Incorporated | Low bend loss optical fiber |
US9057817B2 (en) | 2013-04-15 | 2015-06-16 | Corning Incorporated | Low diameter optical fiber |
KR101628970B1 (ko) * | 2013-08-08 | 2016-06-10 | 대한광통신 주식회사 | 구부림 손실 강화 광섬유제조방법 |
CN105556353B (zh) | 2014-08-01 | 2018-10-26 | 株式会社藤仓 | 光纤及其制造方法 |
WO2016047749A1 (ja) * | 2014-09-26 | 2016-03-31 | 株式会社フジクラ | 光ファイバ |
JP6393338B2 (ja) | 2014-09-26 | 2018-09-19 | 株式会社フジクラ | 光ファイバおよびその製造方法 |
CN104360434B (zh) * | 2014-11-12 | 2017-02-01 | 长飞光纤光缆股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
JPWO2016190297A1 (ja) * | 2015-05-27 | 2017-06-08 | 株式会社フジクラ | 光ファイバ |
US9798079B2 (en) | 2015-09-15 | 2017-10-24 | Corning Incorporated | Low bend loss single mode optical fiber with chlorine updoped cladding |
WO2017048820A1 (en) | 2015-09-16 | 2017-03-23 | Corning Incorporated | Low-loss and low-bend-loss optical fiber |
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JP7049327B2 (ja) | 2016-09-21 | 2022-04-06 | コーニング インコーポレイテッド | 変化するクラッド屈折率を有する光ファイバ、およびそれを形成する方法 |
US10317255B2 (en) * | 2017-01-19 | 2019-06-11 | Corning Incorporated | Distributed fiber sensors and systems employing hybridcore optical fibers |
CN107193082A (zh) * | 2017-05-04 | 2017-09-22 | 长飞光纤光缆股份有限公司 | 一种超低衰减单模光纤 |
RU2655992C1 (ru) * | 2017-05-17 | 2018-05-30 | Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ | Способ создания изгибов волноводов |
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US10962708B2 (en) | 2017-12-21 | 2021-03-30 | Draka Comteq France | Bending-loss insensitive single mode fibre, with a shallow trench, and corresponding optical system |
CN111527430B (zh) * | 2018-02-13 | 2022-05-27 | 株式会社藤仓 | 光纤 |
CN113099726B (zh) * | 2019-11-08 | 2023-08-04 | 株式会社藤仓 | 光纤 |
CN114152364B (zh) * | 2021-11-05 | 2023-01-24 | 南京南瑞水利水电科技有限公司 | 一种温度监测光纤传感器 |
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-
2011
- 2011-02-18 US US13/030,308 patent/US8542969B2/en active Active
- 2011-02-22 CN CN201180010934.8A patent/CN102782541B/zh active Active
- 2011-02-22 EP EP11706435.2A patent/EP2539752B1/en active Active
- 2011-02-22 KR KR1020127025059A patent/KR20130036207A/ko not_active Application Discontinuation
- 2011-02-22 BR BR112012020042-9A patent/BR112012020042B1/pt active IP Right Grant
- 2011-02-22 WO PCT/US2011/025633 patent/WO2011106293A1/en active Application Filing
- 2011-02-22 RU RU2012140958/28A patent/RU2567468C2/ru active
- 2011-02-22 JP JP2012555067A patent/JP2013520711A/ja active Pending
-
2016
- 2016-02-29 JP JP2016036878A patent/JP2016128932A/ja active Pending
-
2018
- 2018-04-25 JP JP2018083734A patent/JP6671410B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
KR20130036207A (ko) | 2013-04-11 |
JP2016128932A (ja) | 2016-07-14 |
RU2012140958A (ru) | 2014-04-10 |
EP2539752B1 (en) | 2017-10-25 |
CN102782541B (zh) | 2019-04-23 |
US8542969B2 (en) | 2013-09-24 |
BR112012020042A2 (pt) | 2016-05-10 |
RU2567468C2 (ru) | 2015-11-10 |
JP2018146968A (ja) | 2018-09-20 |
JP2013520711A (ja) | 2013-06-06 |
US20110211796A1 (en) | 2011-09-01 |
CN102782541A (zh) | 2012-11-14 |
WO2011106293A1 (en) | 2011-09-01 |
EP2539752A1 (en) | 2013-01-02 |
BR112012020042B1 (pt) | 2020-11-17 |
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