KR19990007119A - 1385nm에서 저손실되는 광학 섬유 및 그 제조 방법 - Google Patents
1385nm에서 저손실되는 광학 섬유 및 그 제조 방법 Download PDFInfo
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- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
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Abstract
Description
Claims (14)
- 코어 직경을 d로 나타내고 증착된 클래딩 직경을 D로 나타내며, 여기에서 D/d 7.5 이고, 수소 이온 농도가 무게로 약 0.8 p.p.b. 이하이며, 굴절 인덱스가 코어를 감싸는 증착된 클래딩의 굴절 인덱스보다 높은 코어(21)를 가지는 글라스 로드(20)를 형성하는 단계와,일반적으로 원통형이고 외측 직경을 가지는 글라스 로드를 연장하는 단계와,연장된 글라스 로드의 외측 직경보다 미소하게 큰 내측 직경을 가지고 적절히 낮은 OH 함유량을 가지는 글라스로 이루어진 중공 원통형 관(40)을 제공하는 단계와,중공 관안에 연장된 글라스 로드의 실질적인 부분을 위치하는 단계와,소스(source)로부터의 열이 상기 로드상의 내부방향으로 관을 파손하고, 글라스 프리폼(60)이 생성되며, 상기 관과 로드에 대하여 종방향으로 이동되는 열원에 관을 노출하는 단계를 포함하는, 단일모드 광학 전송을 위한 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 글라스 로드(20)를 연장하는 단계는 수산기 이온을 가진 로드 표면이 오염되는 열원을 사용하고,그 외측 직경을 소정량으로 줄이기 위해 상기 표면을 에칭함으로써 연장된 글라스 로드의 표면으로부터 수산기 이온의 실질적인 부분을 제거하는 단계를 실행하는 원통형 글라스 바디 제조 방법.
- 제 2 항에 있어서, 글라스 로드(20)를 연장하는 단계는 산소-수소 토치로 형성되는 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 글라스 로드(20)를 연장하는 단계는 무수소 플라스마 토치를 사용하는 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 글라스 프리폼(60)으로부터 글라스 섬유(70)를 드로잉하는 단계와,보호 코팅 재료(75, 76)를 드로잉된 글라스 섬유에 적용하는 단계 및,보호 코팅 재료를 경화시키기 위해 보호 코팅을 방사원에 노출하는 단계를 부가로 포함하고,광학 섬유(700)가 생성되는 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 글라스 로드(20)를 형성하는 단계는 VAD(vapor axial deposition)로 형성되는 원통형 글라스 바디 제조 방법.
- 제 6 항에 있어서, 1300℃ 이하의 온도로 염소-불소 함유 대기의 글라스 로드(20)를 탈수하는 단계와,1400℃ 이상의 온도로 헬륨 대기의 글라스 로드를 압밀하는 단계를 부가로 포함하는 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 코어(21)는 게르마늄으로 도우프된 원통형 글라스 바디 제조 방법.
- 제 1 항에 있어서, 증착된 클래딩(22)은 불소로 도우프된 원통형 글라스 바디 제조 방법.
- 제 2 항에 있어서, 로드(20)를 에칭하는 단계는 무수소 플라스마 토치(10)로 형성된 원통형 글라스 바디 제조 방법.
- 제 10 항에 있어서, 플라스마 에칭은 로드(20)의 외경을 0.5 ± 0.3 밀리미터로 감소된 원통형 글라스 바디 제조 방법.
- 제 1 항의 방법에 따라 제조된 글라스 프리폼(60).
- 제 12 항의 글라스 프리폼(60)으로부터 드로잉된 글라스 섬유(70).
- 상이한 파장으로 영역 1200∼1600 nm내에 조정되고, 하나 이상이 영역 1360∼1430 nm의 파장으로 작동되는 광학 신호의 복수 소스(81∼84)와,WDM 시스템의 입력에서 광학 신호를 멀티플렉싱하는 장치(85)와,WDM 시스템의 출력에서 광학 신호를 디멀티플렉싱하는 장치(95)와,멀티플렉싱 장치와 디멀티플렉싱 장치 사이를 연장하는 전송 통로를 포함하고,상기 전송 통로는 10 킬로미터 보다 긴 길이이고, 1310 nm에서의 그 손실보다 작은 1385 nm에서의 손실을 가지는 광학 섬유(700)를 구비하고, 섬유는 적절히 낮은 OH 함유량을 가지는 글라스 관(40)으로 오버클래드된 코어 로드(20)로부터 제조되고, 상기 코어 로드는 무게로 0.8 p.p.b. 이하인 OH 농도 레벨을 가지고, d가 코어(21)의 직경이고 D가 증착된 클래딩(22)의 직경인 증착된 클래딩/코어 비율(D/d) 7.5 를 가지는 WDM 시스템(wave-division-multiplex system; 90).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/879,348 US6131415A (en) | 1997-06-20 | 1997-06-20 | Method of making a fiber having low loss at 1385 nm by cladding a VAD preform with a D/d<7.5 |
US8/879,348 | 1997-06-20 |
Publications (2)
Publication Number | Publication Date |
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KR19990007119A true KR19990007119A (ko) | 1999-01-25 |
KR100283713B1 KR100283713B1 (ko) | 2001-03-02 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019980023039A KR100283713B1 (ko) | 1997-06-20 | 1998-06-19 | 1385㎚에서 저손실되는 광학 섬유 제조 방법 |
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Country | Link |
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US (1) | US6131415A (ko) |
EP (2) | EP0887670B1 (ko) |
JP (1) | JP3301602B2 (ko) |
KR (1) | KR100283713B1 (ko) |
CN (1) | CN1094906C (ko) |
AU (1) | AU723038B2 (ko) |
BR (1) | BR9816133B1 (ko) |
CA (1) | CA2240220C (ko) |
DE (1) | DE69800981T2 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100420175B1 (ko) * | 2001-09-08 | 2004-03-02 | 엘지전선 주식회사 | 광섬유모재와 그 제조방법 |
KR100665694B1 (ko) * | 2004-06-18 | 2007-01-10 | (주)싸이버트론 | 링타입의 파장 분할 다중화 방식 수동 광 네트워크 시스템 |
Families Citing this family (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6205268B1 (en) * | 1993-05-28 | 2001-03-20 | Lucent Technologies Inc. | Arrangement of optical fiber segments for minimizing effect of nonlinearities |
US6105396A (en) * | 1998-07-14 | 2000-08-22 | Lucent Technologies Inc. | Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness |
EP1146358A4 (en) | 1998-11-26 | 2005-09-07 | Sumitomo Electric Industries | OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM WITH THIS FIBER |
EP1061054A1 (en) * | 1999-06-18 | 2000-12-20 | Lucent Technologies Inc. | Method of making optical fiber by a rod-in tube process and fiber made by the method |
EP1111414A3 (en) * | 1999-12-13 | 2007-08-08 | Sumitomo Electric Industries, Ltd. | Optical fiber and optical transmission system |
US6553790B1 (en) * | 2000-05-09 | 2003-04-29 | Fitel Usa Corp. | Process for fabricating optical fiber involving tuning of core diameter profile |
DE10025176A1 (de) * | 2000-05-24 | 2001-12-06 | Heraeus Quarzglas | Verfahren für die Herstellung einer optischen Faser und Vorform für eine optische Faser |
NL1015405C2 (nl) * | 2000-06-09 | 2001-12-12 | Draka Fibre Technology Bv | Single mode optische vezel en werkwijze voor het vervaardigen van een single mode optische vezel. |
JP2002202428A (ja) | 2000-10-31 | 2002-07-19 | Sumitomo Electric Ind Ltd | 光ファイバ |
JP2002187733A (ja) * | 2000-12-14 | 2002-07-05 | Furukawa Electric Co Ltd:The | 光ファイバ母材の製造方法および光ファイバの製造方法 |
EP1351897A4 (en) * | 2000-12-22 | 2005-06-15 | Corning Inc | TREATMENT OF SUET PREFORMS USING A REDUCING AGENT |
US6904772B2 (en) * | 2000-12-22 | 2005-06-14 | Corning Incorporated | Method of making a glass preform for low water peak optical fiber |
WO2002098806A1 (en) * | 2001-05-31 | 2002-12-12 | Corning Incorporated | Method of manufacturing an optical fiber from a perform and optical fiber made by the method |
US20020197005A1 (en) * | 2001-06-26 | 2002-12-26 | Chang Kai H. | Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometry |
US6776012B2 (en) * | 2001-06-26 | 2004-08-17 | Fitel Usa Corp. | Method of making an optical fiber using preform dehydration in an environment of chlorine-containing gas, fluorine-containing gases and carbon monoxide |
JP2003114347A (ja) * | 2001-07-30 | 2003-04-18 | Furukawa Electric Co Ltd:The | シングルモード光ファイバ、その製造方法および製造装置 |
US20030027055A1 (en) * | 2001-08-01 | 2003-02-06 | Ball Laura J. | Method and feedstock for making photomask material |
US20030027054A1 (en) * | 2001-08-01 | 2003-02-06 | Ball Laura J. | Method for making photomask material by plasma induction |
JP5291277B2 (ja) * | 2001-08-28 | 2013-09-18 | アバゴ・テクノロジーズ・ジェネラル・アイピー(シンガポール)プライベート・リミテッド | 柱状集積回路および柱状集積回路の製造方法 |
US7515802B2 (en) * | 2001-09-10 | 2009-04-07 | Schott Ag | Glass fibre with at least two glass layers |
JP3753975B2 (ja) * | 2001-11-29 | 2006-03-08 | 株式会社フジクラ | シングルモード光ファイバの製造方法及びシングルモード光ファイバ |
JP2003183042A (ja) * | 2001-12-14 | 2003-07-03 | Shin Etsu Chem Co Ltd | 光ファイバ用母材の製造方法及びその製造方法で製造した光ファイバ用母材 |
JP2003206149A (ja) * | 2002-01-09 | 2003-07-22 | Nippon Telegr & Teleph Corp <Ntt> | 光ファイバの製造方法 |
US20050135759A1 (en) * | 2003-12-22 | 2005-06-23 | Xingwu Wang | Optical fiber assembly |
US6769275B2 (en) * | 2002-03-15 | 2004-08-03 | Fibercore, Inc. | Method for making optical fiber preform using simultaneous inside and outside deposition |
JP2004002106A (ja) * | 2002-05-31 | 2004-01-08 | Shin Etsu Chem Co Ltd | 低損失光ファイバ母材とその製造方法 |
DE10225773B4 (de) | 2002-06-10 | 2005-03-31 | Heraeus Tenevo Ag | Jacketrohr aus synthetisch hergestelltem Quarzglas |
CA2459082C (en) * | 2002-06-29 | 2007-10-23 | Lg Cable Ltd. | Method for fabricating optical fiber preform without hydroxyl group in core |
JP3559269B2 (ja) * | 2002-07-11 | 2004-08-25 | 三菱電線工業株式会社 | 光ファイバ母材の製造方法、並びに該製造方法により製造された光ファイバ母材及び光ファイバ |
JP4093553B2 (ja) * | 2002-08-07 | 2008-06-04 | 信越化学工業株式会社 | 光ファイバプリフォームとその製造方法、及びこれを線引きして得られる光ファイバ |
KR100545813B1 (ko) * | 2002-08-20 | 2006-01-24 | 엘에스전선 주식회사 | 탈수 및 탈염소공정을 포함하는 수정화학기상증착공법을 이용한 광섬유 프리폼 제조방법 및 이 방법에 의해 제조된 광섬유 |
US20040057692A1 (en) * | 2002-08-28 | 2004-03-25 | Ball Laura J. | Low loss optical fiber and method for making same |
KR20040042054A (ko) * | 2002-11-12 | 2004-05-20 | 엘지전선 주식회사 | 광섬유 프리폼 제조에서 광화학 반응에 의한 탈수 방법 |
US20040139765A1 (en) * | 2003-01-16 | 2004-07-22 | Sumitomo Electric Industries, Ltd. | Method of producing optical fiber preform, and optical fiber preform and optical fiber produced with the method |
US20040139766A1 (en) * | 2003-01-17 | 2004-07-22 | Weeks Gene K. | Systems and methods for recycling gas used in treating optical fiber |
US7021083B2 (en) * | 2003-01-29 | 2006-04-04 | Fitel Usa Corp. | Manufacture of high purity glass tubes |
US6839481B2 (en) * | 2003-04-04 | 2005-01-04 | Fitel Usa Corp. | High-capacity multimode optical fiber systems |
US6888991B2 (en) * | 2003-04-04 | 2005-05-03 | Fitel Usa Corp. | Single-mode fiber systems |
US6839484B2 (en) * | 2003-04-04 | 2005-01-04 | Fitel Usa Corp. | Optical fiber for single-mode operation |
JP2004307280A (ja) * | 2003-04-08 | 2004-11-04 | Shin Etsu Chem Co Ltd | Oh基による吸収を減少した光ファイバ用ガラス母材及びその製造方法 |
JP4463605B2 (ja) * | 2003-05-09 | 2010-05-19 | 株式会社フジクラ | 光ファイバ母材およびその製造方法 |
JP4198714B2 (ja) * | 2003-06-25 | 2008-12-17 | 株式会社フジクラ | 光ファイバ母材の製造方法 |
US7261763B2 (en) | 2003-07-17 | 2007-08-28 | The Boc Group, Inc. | Method for the recovery and recycle of helium and chlorine |
US7164833B2 (en) * | 2003-09-24 | 2007-01-16 | Fitel U.S.A. Corp. | Optical fiber for improved performance in S-, C- and L-bands |
US7752870B1 (en) | 2003-10-16 | 2010-07-13 | Baker Hughes Incorporated | Hydrogen resistant optical fiber formation technique |
CN1618750B (zh) * | 2003-11-11 | 2010-04-28 | 株式会社藤仓 | 多孔二氧化硅预制件的制造方法和多孔二氧化硅预制件 |
JP4472308B2 (ja) * | 2003-11-11 | 2010-06-02 | 株式会社フジクラ | 石英多孔質母材の製造方法 |
JPWO2005049516A1 (ja) * | 2003-11-18 | 2007-06-07 | 株式会社フジクラ | 光ファイバ裸線の線引方法、光ファイバ素線の製造方法、光ファイバ素線 |
WO2005058765A1 (en) * | 2003-12-12 | 2005-06-30 | Corning Incorporated | Alkali-doped optical fiber, its preform and method of making the same |
CN1301225C (zh) * | 2004-05-10 | 2007-02-21 | 烽火通信科技股份有限公司 | 一种低水峰光纤的制造方法 |
JP2006030655A (ja) * | 2004-07-16 | 2006-02-02 | Furukawa Electric Co Ltd:The | 光ファイバとその評価方法および製造方法 |
JP2006117496A (ja) * | 2004-10-25 | 2006-05-11 | Shin Etsu Chem Co Ltd | 光ファイバ用母材の製造方法、並びに光ファイバの製造方法 |
CN102583997B (zh) * | 2004-11-29 | 2015-03-11 | 古河电气工业株式会社 | 光纤母材、光纤母材的制造方法以及光纤的制造方法 |
US20060130530A1 (en) * | 2004-12-21 | 2006-06-22 | Anderson James G | Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom |
JP4890767B2 (ja) * | 2005-01-31 | 2012-03-07 | 昭和電線ケーブルシステム株式会社 | 光ファイバ用プリフォームロッドの製造方法 |
US20070003198A1 (en) * | 2005-06-29 | 2007-01-04 | Lance Gibson | Low loss optical fiber designs and methods for their manufacture |
CN100406401C (zh) * | 2005-09-15 | 2008-07-30 | 长飞光纤光缆有限公司 | 采用等离子体外喷法制造低水峰光纤预制棒的方法 |
JP2009517702A (ja) * | 2005-11-23 | 2009-04-30 | コーニング インコーポレイテッド | 低減衰/非ゼロ分散シフト光ファイバ |
KR20070075034A (ko) * | 2006-01-11 | 2007-07-18 | 삼성전자주식회사 | 광섬유 모재의 제조 방법 및 이를 이용한 저수분 손실광섬유의 제조 방법 |
JP5126566B2 (ja) * | 2006-03-30 | 2013-01-23 | 古河電気工業株式会社 | プラズマを用いた線条体の被覆除去方法及び装置 |
US7805039B2 (en) * | 2007-05-04 | 2010-09-28 | Weatherford/Lamb, Inc. | Single mode optical fiber with improved bend performance |
US7836728B2 (en) * | 2007-05-09 | 2010-11-23 | Ofs Fitel, Llc | Increasing the cladding-to-core ratio (D/d) of low D/d ratio core rods in optical fiber performs |
CN101066834B (zh) * | 2007-05-28 | 2011-01-05 | 江苏法尔胜股份有限公司 | 一种光纤预制棒的制备方法 |
US7879392B2 (en) * | 2007-10-15 | 2011-02-01 | Kimberly-Clark Worldwide, Inc. | Compositions with elongated particles having varying charges and aspect ratios |
JP2010064915A (ja) * | 2008-09-09 | 2010-03-25 | Shin-Etsu Chemical Co Ltd | 光ファイバ母材の製造方法 |
WO2010070931A1 (ja) | 2008-12-19 | 2010-06-24 | 株式会社フジクラ | 光ファイバ母材の製造方法 |
US20100158459A1 (en) * | 2008-12-24 | 2010-06-24 | Daniel Homa | Long Lifetime Optical Fiber and Method |
CN102272063B (zh) | 2009-04-16 | 2014-03-12 | 株式会社藤仓 | 光纤素线的制造方法 |
JP5545236B2 (ja) * | 2011-02-03 | 2014-07-09 | 住友電気工業株式会社 | 光ファイバ母材製造方法 |
US20130025326A1 (en) | 2011-07-29 | 2013-01-31 | Dabby Franklin W | Methods for manufacturing low water peak optical waveguide |
JP5533825B2 (ja) * | 2011-09-13 | 2014-06-25 | 住友電気工業株式会社 | 光ファイバ製造方法および光ファイバ |
JP5700699B2 (ja) * | 2012-05-11 | 2015-04-15 | 株式会社フジクラ | 広帯域低損失光ファイバの製造方法 |
US20140186645A1 (en) * | 2013-01-02 | 2014-07-03 | Ofs Fitel, Llc | Manufacture of bend insensitive multimode optical fiber |
JP2014219474A (ja) * | 2013-05-02 | 2014-11-20 | 日立金属株式会社 | 光ファイバ |
JP6402466B2 (ja) * | 2014-03-31 | 2018-10-10 | 住友電気工業株式会社 | マルチコア光ファイバの製造方法 |
CN103995314A (zh) * | 2014-06-13 | 2014-08-20 | 江苏七宝光电集团有限公司 | 一种弯曲不敏感单模光纤及其生产工艺 |
CN113387560B (zh) * | 2021-08-17 | 2021-11-02 | 藤仓烽火光电材料科技有限公司 | 一种改善光纤传输衰减的反应***及方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933454A (en) * | 1974-04-22 | 1976-01-20 | Corning Glass Works | Method of making optical waveguides |
EP0154026B1 (en) * | 1980-07-17 | 1988-09-07 | BRITISH TELECOMMUNICATIONS public limited company | A monomode optical fibre and a method of manufacture |
US4310341A (en) * | 1980-09-12 | 1982-01-12 | Bell Telephone Laboratories, Incorporated | Removal of --OH impurities from fiber optic precursor materials |
DE3304721A1 (de) * | 1983-02-11 | 1984-08-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform fuer lichtwellenleiter |
US4842626A (en) * | 1983-02-14 | 1989-06-27 | American Telephone And Telegraph Company, At&T Bell Laboatories | Process for making optical fibers |
US4685945A (en) * | 1984-02-06 | 1987-08-11 | Friedemann Freund | Method of processing high purity low-OH vitreous silica fibers |
JPS60260430A (ja) * | 1984-06-04 | 1985-12-23 | Sumitomo Electric Ind Ltd | フツ素をクラツド部に含有する光フアイバ用母材の製造方法 |
US4578101A (en) * | 1984-09-26 | 1986-03-25 | At&T Technologies, Inc. | Method for stretching a glass rod |
JPH0753591B2 (ja) * | 1985-08-14 | 1995-06-07 | 住友電気工業株式会社 | 光フアイバ用母材の製造方法 |
US4820322A (en) * | 1986-04-28 | 1989-04-11 | American Telephone And Telegraph Company At&T Bell Laboratories | Method of and apparatus for overcladding a glass rod |
KR900003449B1 (ko) * | 1986-06-11 | 1990-05-19 | 스미도모덴기고오교오 가부시기가이샤 | 분산 시프트싱글모우드 광파이버 및 그 제조방법 |
US4775401A (en) * | 1987-06-18 | 1988-10-04 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method of producing an optical fiber |
US5000771A (en) * | 1989-12-29 | 1991-03-19 | At&T Bell Laboratories | Method for manufacturing an article comprising a refractory dielectric body |
CA2107448A1 (en) * | 1992-11-13 | 1994-05-14 | Lee Landis Blyler, Jr. | Optical transmission media having enhanced strength retention capabilities |
EP0656325B1 (en) * | 1993-11-29 | 1999-09-22 | AT&T Corp. | Method for making optical fiber preforms |
US5397372A (en) * | 1993-11-30 | 1995-03-14 | At&T Corp. | MCVD method of making a low OH fiber preform with a hydrogen-free heat source |
-
1997
- 1997-06-20 US US08/879,348 patent/US6131415A/en not_active Expired - Lifetime
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1998
- 1998-06-09 EP EP98304527A patent/EP0887670B1/en not_active Expired - Lifetime
- 1998-06-09 DE DE69800981T patent/DE69800981T2/de not_active Expired - Lifetime
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- 1998-06-18 AU AU71965/98A patent/AU723038B2/en not_active Ceased
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- 1998-06-19 CN CN98103143A patent/CN1094906C/zh not_active Expired - Fee Related
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100420175B1 (ko) * | 2001-09-08 | 2004-03-02 | 엘지전선 주식회사 | 광섬유모재와 그 제조방법 |
KR100665694B1 (ko) * | 2004-06-18 | 2007-01-10 | (주)싸이버트론 | 링타입의 파장 분할 다중화 방식 수동 광 네트워크 시스템 |
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US6131415A (en) | 2000-10-17 |
EP1104891A1 (en) | 2001-06-06 |
AU7196598A (en) | 1998-12-24 |
BR9816133B1 (pt) | 2010-07-13 |
JPH11171575A (ja) | 1999-06-29 |
EP0887670B1 (en) | 2001-06-27 |
DE69800981T2 (de) | 2002-04-04 |
AU723038B2 (en) | 2000-08-17 |
BR9816133A (pt) | 2001-11-27 |
CN1094906C (zh) | 2002-11-27 |
JP3301602B2 (ja) | 2002-07-15 |
KR100283713B1 (ko) | 2001-03-02 |
CN1221709A (zh) | 1999-07-07 |
CA2240220A1 (en) | 1998-12-20 |
EP0887670A2 (en) | 1998-12-30 |
EP0887670A3 (en) | 1999-03-10 |
DE69800981D1 (de) | 2001-08-02 |
CA2240220C (en) | 2003-04-29 |
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