JP2012510643A - 改良された屈折率プロファイルを有する多重モード光ファイバー - Google Patents
改良された屈折率プロファイルを有する多重モード光ファイバー Download PDFInfo
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- JP2012510643A JP2012510643A JP2011538725A JP2011538725A JP2012510643A JP 2012510643 A JP2012510643 A JP 2012510643A JP 2011538725 A JP2011538725 A JP 2011538725A JP 2011538725 A JP2011538725 A JP 2011538725A JP 2012510643 A JP2012510643 A JP 2012510643A
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- Prior art keywords
- refractive index
- index profile
- core
- fiber
- radius
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- 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 11
- 239000000835 fiber Substances 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000002019 doping agent Substances 0.000 claims abstract description 9
- 230000007423 decrease Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 238000005253 cladding Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 208000002447 Macrophagic myofasciitis Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0288—Multimode fibre, e.g. graded index core for compensating modal dispersion
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Integrated Circuits (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
Abstract
Description
Nについて式中のΔ(r)およびn1(r)を置き換えると、下記の結果を得る。
2つの残った項により、以下の結果が得られる。
Claims (8)
- 半径に依存した段階化屈折率を結果的にもたらす屈折率プロファイルを持つコアを有する多重モード光ファイバーを製造する方法であって、前記方法が、前記ファイバーのコアの前記屈折率プロファイルが、増加するコア半径において、標準の放物線状の屈折率プロファイルより下に減少するように、前記ファイバーのコアの半径にわたって前記屈折率を減らすことを含む、方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、前記ファイバーのコアの半径にわたって、標準の放物線状の屈折率プロファイルより下に連続的かつ単調に減少される、請求項1に記載の方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、5μmよりも大きいコアの半径に対して、標準の放物線状の屈折率プロファイルより下に減少する、請求項1に記載の方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、1μmよりも大きいコアの半径に対して、標準の放物線状の屈折率プロファイルより下に減少する、請求項1に記載の方法。
- 半径に依存した段階化屈折率を結果的にもたらす屈折率プロファイルを持つコアを有する多重モード光ファイバーを製造する方法であって、前記方法は、前記屈折率プロファイルの対象値を標準の放物線状の屈折率プロファイルより下に減少させることにより、前記ファイバーのコアの前記屈折率プロファイルが増加するコア半径において標準の放物線状の屈折率プロファイルより下に減少するように、ドーパントの濃度を制御することによって前記ファイバーのコアの半径にわたって前記屈折率を減らすことを含む、方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、前記ファイバーのコアの半径にわたって、標準の放物線状の屈折率プロファイルより下に連続的かつ単調に減少される、請求項5に記載の方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、5μmよりも大きいコアの半径に対して、標準の放物線状の屈折率プロファイルより下に減少する、請求項5に記載の方法。
- 前記ファイバーのコアの前記屈折率プロファイルが、1μmよりも大きいコアの半径に対して、標準の放物線状の屈折率プロファイルより下に減少する、請求項5に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11890308P | 2008-12-01 | 2008-12-01 | |
US61/118,903 | 2008-12-01 | ||
US12/627,752 | 2009-11-30 | ||
US12/627,752 US20100154478A1 (en) | 2008-12-01 | 2009-11-30 | Multimode fiber having improved index profile |
PCT/US2009/066192 WO2010065499A1 (en) | 2008-12-01 | 2009-12-01 | Multimode fiber having improved index profile |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012510643A true JP2012510643A (ja) | 2012-05-10 |
JP2012510643A5 JP2012510643A5 (ja) | 2014-02-27 |
JP5568569B2 JP5568569B2 (ja) | 2014-08-06 |
Family
ID=41665304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011538725A Active JP5568569B2 (ja) | 2008-12-01 | 2009-12-01 | 改良された屈折率プロファイルを有する多重モード光ファイバー |
Country Status (10)
Country | Link |
---|---|
US (3) | US20100154478A1 (ja) |
EP (1) | EP2370842B1 (ja) |
JP (1) | JP5568569B2 (ja) |
KR (1) | KR101673909B1 (ja) |
CN (1) | CN102227658B (ja) |
BR (1) | BRPI0922144A2 (ja) |
CA (1) | CA2744712A1 (ja) |
MX (1) | MX2011005514A (ja) |
TW (1) | TWI468753B (ja) |
WO (1) | WO2010065499A1 (ja) |
Families Citing this family (9)
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DK2482106T5 (da) | 2011-01-31 | 2014-09-22 | Draka Comteq Bv | Multimode-fiber |
US8670643B2 (en) * | 2011-05-18 | 2014-03-11 | Corning Incorporated | Large effective area optical fibers |
US10539739B2 (en) | 2012-03-05 | 2020-01-21 | Alcatel Lucent | Multimode optical fiber, mode delay adjuster for fiber systems, and methods to use such fibers, adjusters, and systems |
US9759860B2 (en) * | 2012-03-05 | 2017-09-12 | Alcatel Lucent | Multimode optical fiber, mode delay adjuster for fiber systems, and methods to use such fibers, adjusters, and systems |
RU2611203C2 (ru) * | 2012-10-11 | 2017-02-21 | Драка Комтек Бв | Широкополосное многомодовое оптоволокно, оптимизированное для многомодовых и одномодовых передач |
US9632244B2 (en) * | 2014-07-28 | 2017-04-25 | Panduit Corp. | Multimode optical fiber and methods of manufacturing thereof |
CN105204111A (zh) * | 2015-10-28 | 2015-12-30 | 长飞光纤光缆股份有限公司 | 一种具有较小模间色散的多模光纤 |
US9909952B2 (en) * | 2016-04-29 | 2018-03-06 | Panduit Corp. | Optical fibers and methods associated therewith |
US20180259370A1 (en) * | 2017-03-08 | 2018-09-13 | Nicolas K. Fontaine | Multimode Fiber Sensor and Sensing Using Forward and Backward Scattering |
Citations (1)
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JP2005037608A (ja) * | 2003-07-18 | 2005-02-10 | Fujikura Ltd | グレーテッドインデックス型マルチモードファイバ |
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2009
- 2009-11-30 US US12/627,752 patent/US20100154478A1/en not_active Abandoned
- 2009-12-01 KR KR1020117012436A patent/KR101673909B1/ko active IP Right Grant
- 2009-12-01 MX MX2011005514A patent/MX2011005514A/es active IP Right Grant
- 2009-12-01 JP JP2011538725A patent/JP5568569B2/ja active Active
- 2009-12-01 WO PCT/US2009/066192 patent/WO2010065499A1/en active Application Filing
- 2009-12-01 BR BRPI0922144A patent/BRPI0922144A2/pt not_active IP Right Cessation
- 2009-12-01 TW TW98140984A patent/TWI468753B/zh not_active IP Right Cessation
- 2009-12-01 CA CA2744712A patent/CA2744712A1/en not_active Abandoned
- 2009-12-01 CN CN200980149101.2A patent/CN102227658B/zh active Active
- 2009-12-01 EP EP09768460.9A patent/EP2370842B1/en active Active
-
2020
- 2020-11-16 US US17/010,213 patent/US20210055474A1/en not_active Abandoned
-
2021
- 2021-11-05 US US17/519,829 patent/US20220057571A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005037608A (ja) * | 2003-07-18 | 2005-02-10 | Fujikura Ltd | グレーテッドインデックス型マルチモードファイバ |
Non-Patent Citations (1)
Title |
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Also Published As
Publication number | Publication date |
---|---|
KR20110090992A (ko) | 2011-08-10 |
CN102227658B (zh) | 2015-07-22 |
US20220057571A1 (en) | 2022-02-24 |
CN102227658A (zh) | 2011-10-26 |
JP5568569B2 (ja) | 2014-08-06 |
KR101673909B1 (ko) | 2016-11-08 |
US20210055474A1 (en) | 2021-02-25 |
TW201030398A (en) | 2010-08-16 |
EP2370842A1 (en) | 2011-10-05 |
WO2010065499A1 (en) | 2010-06-10 |
BRPI0922144A2 (pt) | 2016-01-05 |
MX2011005514A (es) | 2011-06-06 |
US20100154478A1 (en) | 2010-06-24 |
TWI468753B (zh) | 2015-01-11 |
CA2744712A1 (en) | 2010-06-10 |
EP2370842B1 (en) | 2020-04-08 |
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