WO2017020457A1 - 一种超低衰减大有效面积的单模光纤 - Google Patents
一种超低衰减大有效面积的单模光纤 Download PDFInfo
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- WO2017020457A1 WO2017020457A1 PCT/CN2015/096106 CN2015096106W WO2017020457A1 WO 2017020457 A1 WO2017020457 A1 WO 2017020457A1 CN 2015096106 W CN2015096106 W CN 2015096106W WO 2017020457 A1 WO2017020457 A1 WO 2017020457A1
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- 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
- G02B6/03661—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 4 layers only
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- 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
- G02B6/03661—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 4 layers only
- G02B6/03683—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 4 layers only arranged - - + +
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- 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
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
- G02B6/02333—Core having higher refractive index than cladding, e.g. solid core, effective index guiding
-
- 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
-
- 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
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- Optics & Photonics (AREA)
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Abstract
Description
Claims (10)
- 一种超低衰减大有效面积的单模光纤,包括有芯层和包层,其特征在于所述的芯层半径r1为4.8~6.5μm,芯层相对折射率差Δn1为-0.06%~0.10%,芯层外从内向外依次包覆内包层,下陷内包层,辅助外包层和外包层,所述的内包层半径r2为9~15μm,相对折射率差Δn2为-0.40%~-0.15%,所述的下陷内包层半径r3为12~17μm,相对折射率差Δn3为-0.8%~-0.3,所述的辅助外包层半径r4为37~50μm,相对折射率差Δn4范围为-0.6%~-0.25%;所述外包层为纯二氧化硅玻璃层。
- 按权利要求1所述的超低衰减大有效面积的单模光纤,其特征在于所述的芯层为锗氟及碱金属共掺的二氧化硅玻璃层,或为锗与碱金属共掺的二氧化硅玻璃层,其中锗的相对折射率贡献量0.02%~0.10%,碱金属含量为5~5000ppm。
- 按权利要求2所述的超低衰减大有效面积的单模光纤,其特征在于所述芯层中的碱金属为锂、钠、钾、铷、铯、钫碱金属离子中的一种或多种。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在1550nm波长的有效面积为100~140μm2。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤的成缆截止波长等于或小于1530nm。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在波长1550nm处的色散等于或小于23ps/nm*km,所述光纤在波长1625nm处的色散等于或小于27ps/nm*km
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在波长1550nm处的衰耗等于或小于0.185dB/km。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在波长1700nm处的微弯损耗等于或小于5dB/km。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在波长1550nm处,R15mm弯曲半径弯曲10圈的宏弯损耗等于或小于0.25dB,R10mm弯曲半径弯曲1圈的宏弯损耗等于或小于0.75dB。
- 按权利要求1或2所述的超低衰减大有效面积的单模光纤,其特征在于所述光纤在1550nm波长处的模场直径为11μm~13μm。
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ES15900226T ES2900735T3 (es) | 2015-07-31 | 2015-12-01 | Fibra óptica monomodo de atenuación ultrabaja y área efectiva amplia |
KR1020177036122A KR20180006975A (ko) | 2015-07-31 | 2015-12-01 | 초저 감쇠 대유효 면적의 단일 모드 광섬유 |
JP2018516613A JP6529666B2 (ja) | 2015-07-31 | 2015-12-01 | 極低減衰で大有効面積の単一モード光ファイバ |
PL15900226T PL3330756T3 (pl) | 2015-07-31 | 2015-12-01 | Światłowód jednomodowy o ultraniskim tłumieniu i dużej efektywnej powierzchni |
EP15900226.0A EP3330756B1 (en) | 2015-07-31 | 2015-12-01 | Ultra-low attenuation large effective area single-mode optical fiber |
US15/866,243 US10209437B2 (en) | 2015-07-31 | 2018-01-09 | Single-mode optical fiber with ultra low attenuation and large effective area |
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CN201510464355.0A CN104991307A (zh) | 2015-07-31 | 2015-07-31 | 一种超低衰减大有效面积的单模光纤 |
CN201510464355.0 | 2015-07-31 |
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US15/866,243 Continuation US10209437B2 (en) | 2015-07-31 | 2018-01-09 | Single-mode optical fiber with ultra low attenuation and large effective area |
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US (1) | US10209437B2 (zh) |
EP (1) | EP3330756B1 (zh) |
JP (1) | JP6529666B2 (zh) |
KR (1) | KR20180006975A (zh) |
CN (1) | CN104991307A (zh) |
ES (1) | ES2900735T3 (zh) |
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WO2019009284A1 (ja) * | 2017-07-03 | 2019-01-10 | 日本電信電話株式会社 | 光ファイバ及び光伝送システム |
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CN104991307A (zh) * | 2015-07-31 | 2015-10-21 | 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 |
CN106291808B (zh) * | 2016-09-18 | 2019-05-24 | 长飞光纤光缆股份有限公司 | 一种超低衰减大有效面积单模光纤 |
JP7069566B2 (ja) * | 2017-05-11 | 2022-05-18 | 住友電気工業株式会社 | 光ファイバ |
CN107422415B (zh) * | 2017-06-15 | 2020-05-05 | 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 |
CN107490819B (zh) * | 2017-08-22 | 2020-05-05 | 长飞光纤光缆股份有限公司 | 具有超低衰减大有效面积的单模光纤 |
CN107678088A (zh) * | 2017-11-09 | 2018-02-09 | 长飞光纤光缆股份有限公司 | 低衰减大有效面积的单模光纤 |
CN109445023B (zh) * | 2018-11-07 | 2020-06-16 | 长飞光纤光缆股份有限公司 | 一种掺杂优化的超低衰减单模光纤 |
CN111289021A (zh) * | 2020-03-16 | 2020-06-16 | 中天科技光纤有限公司 | 一种光纤传感装置及探测系统 |
US11776833B2 (en) | 2020-12-22 | 2023-10-03 | Canon Kabushiki Kaisha | Method for improving accuracy of imprint force application in imprint lithography |
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Publication number | Publication date |
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CN104991307A (zh) | 2015-10-21 |
ES2900735T3 (es) | 2022-03-18 |
KR20180006975A (ko) | 2018-01-19 |
EP3330756B1 (en) | 2021-09-15 |
US10209437B2 (en) | 2019-02-19 |
EP3330756A4 (en) | 2018-08-15 |
JP2018517185A (ja) | 2018-06-28 |
EP3330756A1 (en) | 2018-06-06 |
JP6529666B2 (ja) | 2019-06-12 |
PL3330756T3 (pl) | 2022-04-11 |
US20180128968A1 (en) | 2018-05-10 |
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