JP2005517989A - 低スロープ分散シフト光ファイバ - Google Patents
低スロープ分散シフト光ファイバ Download PDFInfo
- Publication number
- JP2005517989A JP2005517989A JP2003570164A JP2003570164A JP2005517989A JP 2005517989 A JP2005517989 A JP 2005517989A JP 2003570164 A JP2003570164 A JP 2003570164A JP 2003570164 A JP2003570164 A JP 2003570164A JP 2005517989 A JP2005517989 A JP 2005517989A
- Authority
- JP
- Japan
- Prior art keywords
- optical waveguide
- waveguide fiber
- refractive index
- wavelength
- region
- 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.)
- Pending
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 69
- 239000013307 optical fiber Substances 0.000 title claims description 76
- 239000000835 fiber Substances 0.000 claims abstract description 152
- 230000003287 optical effect Effects 0.000 claims abstract description 110
- 238000005253 cladding Methods 0.000 claims abstract description 33
- 238000009826 distribution Methods 0.000 claims description 55
- 230000010287 polarization Effects 0.000 claims description 6
- 239000004071 soot Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 17
- 239000011521 glass Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 238000005452 bending Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 238000007596 consolidation process Methods 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 238000001069 Raman spectroscopy Methods 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001902 propagating effect Effects 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920003266 Leaf® Polymers 0.000 description 2
- 101710121003 Oxygen-evolving enhancer protein 3, chloroplastic Proteins 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 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
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 238000004804 winding Methods 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
- G02B6/02004—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
- G02B6/02214—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
-
- 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
- G02B6/02271—Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear effects
-
- 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 - + -
-
- 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
- G02B6/03666—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 - + - +
-
- 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
- G02B6/03677—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 - + + -
-
- 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
- G02B6/03688—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 5 or more 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35753902P | 2002-02-15 | 2002-02-15 | |
| PCT/US2003/003843 WO2003071325A1 (en) | 2002-02-15 | 2003-02-07 | Low slope dispersion shifted optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005517989A true JP2005517989A (ja) | 2005-06-16 |
| JP2005517989A5 JP2005517989A5 (enExample) | 2005-12-22 |
Family
ID=27757631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003570164A Pending JP2005517989A (ja) | 2002-02-15 | 2003-02-07 | 低スロープ分散シフト光ファイバ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7050687B2 (enExample) |
| EP (1) | EP1474712A1 (enExample) |
| JP (1) | JP2005517989A (enExample) |
| KR (1) | KR20040075982A (enExample) |
| AU (1) | AU2003210934A1 (enExample) |
| WO (1) | WO2003071325A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100636332B1 (ko) * | 1998-09-21 | 2006-10-19 | 피렐리 카비 에 시스테미 소시에떼 퍼 아찌오니 | 확장 파장 밴드용의 광파이버 |
| GB0101338D0 (en) * | 2001-01-18 | 2001-03-07 | Nds Ltd | Set-top-box with qam demodulator sharing between dtv/pvr and cable modem applications |
| US6633712B2 (en) * | 2001-03-16 | 2003-10-14 | Sowilo Networks, Inc. | Method and system for dispersion maps and enhanced distributed gain effect in long haul telecommunications |
| US7307782B2 (en) * | 2001-07-31 | 2007-12-11 | Sumitomo Electric Industries, Ltd. | Raman amplifier and optical communication system including the same |
| US7085463B2 (en) * | 2002-12-18 | 2006-08-01 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line |
| US6904217B2 (en) * | 2003-01-29 | 2005-06-07 | Furukawa Electric North America | Method for the manufacture of optical fibers, improved optical fibers, and improved Raman fiber amplifier communication systems |
| KR101118404B1 (ko) * | 2003-08-04 | 2012-03-06 | 스미토모 덴키 고교 가부시키가이샤 | 광 파이버 |
| JP4229123B2 (ja) * | 2003-08-04 | 2009-02-25 | 住友電気工業株式会社 | 光伝送路 |
| US7164833B2 (en) * | 2003-09-24 | 2007-01-16 | Fitel U.S.A. Corp. | Optical fiber for improved performance in S-, C- and L-bands |
| FR2867865B1 (fr) * | 2004-03-16 | 2008-05-30 | Cit Alcatel | Fibre optique a compensation de dispersion chromatique en bande utilisant un mode d'ordre superieur |
| KR100713429B1 (ko) * | 2005-12-27 | 2007-05-04 | 삼성전자주식회사 | 광섬유 제조 방법 |
| US8385702B2 (en) * | 2009-05-28 | 2013-02-26 | Corning Incorporated | Bend resistant multimode optical fiber |
| US8805141B2 (en) * | 2011-10-07 | 2014-08-12 | Corning Incorporated | Optical fiber illumination systems and methods |
| JP6134588B2 (ja) * | 2012-07-24 | 2017-05-24 | 株式会社フジクラ | 光ファイバ、及び、光伝送路 |
| WO2018022413A1 (en) * | 2016-07-29 | 2018-02-01 | Corning Incorporated | Single mode optical fiber with chlorine doped core and low bend loss |
| 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 |
Family Cites Families (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4852968A (en) | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
| US4770492A (en) | 1986-10-28 | 1988-09-13 | Spectran Corporation | Pressure or strain sensitive optical fiber |
| US5553185A (en) | 1994-12-27 | 1996-09-03 | Corning Incorporated | Controlled dispersion optical waveguide |
| US5684909A (en) | 1996-02-23 | 1997-11-04 | Corning Inc | Large effective area single mode optical waveguide |
| CA2202586C (en) * | 1996-04-15 | 2003-05-06 | Masashi Onishi | Dispersion compensating fiber and optical transmission system including the same |
| US5878182A (en) | 1997-06-05 | 1999-03-02 | Lucent Technologies Inc. | Optical fiber having a low-dispersion slope in the erbium amplifier region |
| JP3830636B2 (ja) | 1997-10-14 | 2006-10-04 | 株式会社フジクラ | 分散シフト光ファイバ |
| WO1999030193A1 (fr) * | 1997-12-05 | 1999-06-17 | Sumitomo Electric Industries, Ltd. | Fibre optique a dispersion plate |
| US5905838A (en) | 1998-02-18 | 1999-05-18 | Lucent Technologies Inc. | Dual window WDM optical fiber communication |
| ID27455A (id) * | 1998-02-23 | 2001-04-12 | Corning Inc | Pemandu gelombang yang ditata dispersi kemiringan rendah |
| US6321016B1 (en) | 1998-06-19 | 2001-11-20 | Pirelli Cavi E Sistemi S.P.A. | Optical fiber having low non-linearity for WDM transmission |
| DE19839870A1 (de) | 1998-09-02 | 2000-03-09 | Deutsche Telekom Ag | Optische Single-Mode-Lichtleitfaser |
| AU767723B2 (en) | 1998-11-26 | 2003-11-20 | Sumitomo Electric Industries, Ltd. | Optical fiber and optical transmission system including the same |
| JP2002533744A (ja) | 1998-12-18 | 2002-10-08 | ピレリー・カビ・エ・システミ・ソチエタ・ペル・アツィオーニ | 大都市ネットワークシステムおよびアクセスネットワークシステム用の光ファイバ |
| TW451088B (en) | 1999-04-16 | 2001-08-21 | Sumitomo Electric Industries | Optical fiber and optical transmission line including the same |
| EP1120671A4 (en) | 1999-07-12 | 2005-06-01 | Fujikura Ltd | DISPERSION SHIFTED OPTICAL FIBER |
| MXPA02000925A (es) * | 1999-07-27 | 2002-07-30 | Corning Inc | Guia de onda optica que tiene dispersion negativa y gran area efectiva. |
| EP1116972A4 (en) | 1999-07-27 | 2005-10-19 | Fujikura Ltd | DISPERSION SHIFTED OPTICAL FIBER |
| BR0007020A (pt) | 1999-08-20 | 2001-07-03 | Furukawa Eletric Co Ltd | Fibra ótica e linha de transmissão ótica |
| JP4134468B2 (ja) | 1999-12-13 | 2008-08-20 | 住友電気工業株式会社 | 光ファイバ |
| FR2805620B1 (fr) | 2000-02-24 | 2002-05-31 | Cit Alcatel | Fibre optique monomode en cable pour reseau de transmission a fibre optique a multiplexage en longueur d'onde |
| US6633714B2 (en) | 2000-02-24 | 2003-10-14 | Alcatel | Optical fiber for wavelength division multiplex transmission systems |
| KR20010113806A (ko) | 2000-02-25 | 2001-12-28 | 후루까와 준노스께 | 저분산광파이버 및 그 저분산광파이버를 사용한광전송시스템 |
| JP2001237777A (ja) | 2000-02-25 | 2001-08-31 | Kddi Corp | 光伝送路 |
| WO2002014919A2 (en) | 2000-08-16 | 2002-02-21 | Corning Incorporated | Optical fiber with large effective area, low dispersion and low dispersion slope |
| KR100349320B1 (ko) | 2000-08-25 | 2002-08-21 | 엘지전선 주식회사 | 좁은 간격의 광채널을 이용한 파장분할 다중화 방식의광전송장치용 광섬유 |
| ATE492077T1 (de) | 2000-08-31 | 2011-01-15 | Prysmian Spa | Optische übertragungsverbindung mit einem faser mit geringer disperionssteilheit und raman- verstärkung |
| KR20030051707A (ko) * | 2000-10-11 | 2003-06-25 | 코닝 인코포레이티드 | 저감된 분산을 갖는 단일모드 광 도파관 섬유 |
| FR2815418B1 (fr) * | 2000-10-16 | 2003-05-16 | Cit Alcatel | Fibre pour la compensation de dispersion chromatique d'une fibre nz-dsf a dispersion chromatique positive |
| JP2002162529A (ja) | 2000-11-28 | 2002-06-07 | Furukawa Electric Co Ltd:The | 光ファイバおよびその光ファイバを用いた光通信システム |
| JP2002258090A (ja) | 2001-02-27 | 2002-09-11 | Furukawa Electric Co Ltd:The | 低損失光ファイバ |
| JP4443788B2 (ja) | 2001-03-30 | 2010-03-31 | 古河電気工業株式会社 | 光ファイバおよびその光ファイバを用いた光通信システム |
| JP2002365462A (ja) | 2001-06-12 | 2002-12-18 | Furukawa Electric Co Ltd:The | 光通信リンク |
| CA2389498A1 (en) | 2001-06-13 | 2002-12-13 | Fumio Takahashi | Method of winding optical fiber on reel |
| JP2003021743A (ja) | 2001-07-09 | 2003-01-24 | Furukawa Electric Co Ltd:The | 光ファイバおよび該光ファイバを用いた光伝送システム |
| JP2003114350A (ja) | 2001-07-31 | 2003-04-18 | Furukawa Electric Co Ltd:The | 光ファイバ、光ファイバ部品および光伝送方法 |
| FR2828939B1 (fr) | 2001-08-27 | 2004-01-16 | Cit Alcatel | Fibre optique pour un systeme de transmission a multiplexage en longueurs d'onde |
| JP2003084163A (ja) | 2001-09-07 | 2003-03-19 | Sumitomo Electric Ind Ltd | 光ファイバ、光伝送路および光通信システム |
| JP3886771B2 (ja) | 2001-10-29 | 2007-02-28 | 株式会社フジクラ | Wdm用シングルモード光ファイバ及び複合光線路 |
| JP2003156649A (ja) | 2001-11-19 | 2003-05-30 | Furukawa Electric Co Ltd:The | 光ファイバ |
| US6633715B2 (en) * | 2001-12-06 | 2003-10-14 | Fitel Usa Corp. | Optical fiber having negative dispersion, negative dispersion slope and large effective area |
| JP2003287642A (ja) | 2002-01-22 | 2003-10-10 | Fujikura Ltd | 光ファイバ及び光伝送路 |
-
2003
- 2003-02-07 AU AU2003210934A patent/AU2003210934A1/en not_active Abandoned
- 2003-02-07 JP JP2003570164A patent/JP2005517989A/ja active Pending
- 2003-02-07 EP EP03742716A patent/EP1474712A1/en not_active Withdrawn
- 2003-02-07 WO PCT/US2003/003843 patent/WO2003071325A1/en not_active Ceased
- 2003-02-07 KR KR10-2004-7012587A patent/KR20040075982A/ko not_active Withdrawn
- 2003-02-12 US US10/365,731 patent/US7050687B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040075982A (ko) | 2004-08-30 |
| US20030174988A1 (en) | 2003-09-18 |
| WO2003071325A1 (en) | 2003-08-28 |
| EP1474712A1 (en) | 2004-11-10 |
| AU2003210934A1 (en) | 2003-09-09 |
| US7050687B2 (en) | 2006-05-23 |
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