KR20020035746A - 광파이버 및 이 광파이버를 사용한 광전송로 - Google Patents
광파이버 및 이 광파이버를 사용한 광전송로 Download PDFInfo
- Publication number
- KR20020035746A KR20020035746A KR1020010068333A KR20010068333A KR20020035746A KR 20020035746 A KR20020035746 A KR 20020035746A KR 1020010068333 A KR1020010068333 A KR 1020010068333A KR 20010068333 A KR20010068333 A KR 20010068333A KR 20020035746 A KR20020035746 A KR 20020035746A
- Authority
- KR
- South Korea
- Prior art keywords
- optical fiber
- dispersion
- glass layer
- optical
- refractive index
- Prior art date
Links
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
-
- 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
- G02B6/02214—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
- G02B6/02252—Negative dispersion fibres at 1550 nm
- G02B6/02261—Dispersion compensating fibres, i.e. for compensating positive dispersion of other 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
- G02B6/0228—Characterised by the wavelength dispersion slope properties around 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
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
-
- 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
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
Claims (4)
- 분산도 및 분산기울기의 양자는 1570 내지 1615nm의 파장대역에서 음의 값이 되고;상기 파장대역에서 광파이버의 직경이 20mm일때의 휨손실은 3dB/m이하가 되고;상기 파장대역에서의 전송손실은 0.3 내지 0.8dB/km의 범위내에 있고;상기 파장대역에서의 편광모드분산의 값은 0.5ps·km-1/2이하가 되고;상기 파장대역에서 분산값의 절대값을 전송손실로 나눈 값은 170이상이 되고;파장대역에서 분산값을 분산기울기로 나눈 값은 270 내지 450의 범위내에 있는;것을 특징으로 하는 광파이버.
- 제 1항에 있어서, 굴절률의 프로파일의 표준이 되도록 기준층내측에 배치된 적어도 3개의 유리층을 포함하는 광파이버로서,상기 3개의 유리층은 중심측에 제 1유리층, 제 1유리층의 외측에 제 2유리층 및 제 2유리층의 외측에 제 3유리층으로 이루어지고,기준층에 대한 제 1유리층의 상대굴절률차는 △1로 설정되고, 기준층에 대한제 2유리층의 상대굴절률차는 △2로 설정되고, 또한 기준층에 대한 제 3유리층의 상대굴절률차는 △3로 설정되는 경우, 1.6%≤△1≤2.6%, -0.65%≤△2≤-0.4% 및 0.15%≤△3≤0.5%가 설정되고,제 1유리층(1)의 외부직경이 d1으로 설정되고, 제 2유리층(2)의 외부직경이 d2로 설정되고, 또한 제 3유리층(3)의 외부직경이 d3으로 설정되는 경우 2.5≤(d2/d1)≤3.0 및 1.5≤(d3/d2)≤3.0가 설정되는 것을 특징으로 하는 광파이버.
- 양의 분산도와 양의 분산기울기를 가진 양의 분산도의 광파이버에 접속된 광파이버를 개선하는 특성으로서 제 1항에 기재된 광파이버를 포함하고;1570 내지 1615nm의 파장대역에서 양의 분산도의 광파이버 및 이 광파이버를 개선하는 특성의 양자에서 있어 분산값을 분산기울기로 나눈 값이 270 내지 450의 범위내에 있는 것을 특징으로 하는 광전송로.
- 양의 분산도 및 양의 분산기울기를 가진 양의 분산도의 광파이버에 접속된 광파이버를 개선하는 특성으로서 제 2항에 기재된 광파이버를 포함하고;1570 내지 1615nm의 파장대역에서 양의 분산도의 광파이버 및 이 광파이버를 개선하는 특성의 양자에 있어, 분산값을 분산기울기로 나눈 된 값이 270 내지 450의 범위내에 있는 것을 특징으로 하는 광전송로.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00339310 | 2000-11-07 | ||
JP2000339310A JP2002148464A (ja) | 2000-11-07 | 2000-11-07 | 光ファイバ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020035746A true KR20020035746A (ko) | 2002-05-15 |
KR100842990B1 KR100842990B1 (ko) | 2008-07-01 |
Family
ID=18814403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010068333A KR100842990B1 (ko) | 2000-11-07 | 2001-11-03 | 광파이버 및 이 광파이버를 사용한 광전송로 |
Country Status (8)
Country | Link |
---|---|
US (2) | US6522819B2 (ko) |
EP (1) | EP1205778A3 (ko) |
JP (1) | JP2002148464A (ko) |
KR (1) | KR100842990B1 (ko) |
CN (1) | CN1157615C (ko) |
BR (1) | BR0105121A (ko) |
CA (1) | CA2361028A1 (ko) |
HK (1) | HK1044194A1 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9907052A (pt) * | 1998-10-23 | 2000-10-17 | Furukawa Electric Co Ltd | Fibra ótica compensadora de dispersão e linha de transmissão ótica com comprimento de onda multiplexado compreendendo fibra ótica compensadora de dispersão |
JP2002148464A (ja) * | 2000-11-07 | 2002-05-22 | Furukawa Electric Co Ltd:The | 光ファイバ |
US6751390B2 (en) * | 2001-12-11 | 2004-06-15 | Corning Incorporation | Dispersion and dispersion slope compensating fiber and optical transmission system utilizing same |
US7290057B2 (en) * | 2002-08-20 | 2007-10-30 | Microsoft Corporation | Media streaming of web content data |
JP2004101841A (ja) * | 2002-09-09 | 2004-04-02 | Furukawa Electric Co Ltd:The | 分散シフト光ファイバ |
JP2004207677A (ja) * | 2002-11-07 | 2004-07-22 | Nippon Telegr & Teleph Corp <Ntt> | 光デバイスおよび増幅媒体用光ファイバ |
JP2005017694A (ja) * | 2003-06-26 | 2005-01-20 | Furukawa Electric Co Ltd:The | 光ファイバおよび光ファイバケーブル |
US6925237B2 (en) * | 2003-09-24 | 2005-08-02 | Corning Incorporated | High figure of merit dispersion compensating fiber for standard single mode fiber and transmission system utilizing same |
US7272289B2 (en) * | 2005-09-30 | 2007-09-18 | Corning Incorporated | Low bend loss optical fiber |
US7945142B2 (en) * | 2006-06-15 | 2011-05-17 | Microsoft Corporation | Audio/visual editing tool |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5448674A (en) * | 1992-11-18 | 1995-09-05 | At&T Corp. | Article comprising a dispersion-compensating optical waveguide |
EP0598554B1 (en) * | 1992-11-18 | 1999-05-12 | AT&T Corp. | Negative dispersion optical fiber |
JP2988571B2 (ja) * | 1995-03-10 | 1999-12-13 | 古河電気工業株式会社 | 分散補償光ファイバ |
AU693329B2 (en) * | 1995-04-13 | 1998-06-25 | Corning Incorporated | Dispersion managed optical waveguide |
JP3068013B2 (ja) * | 1995-08-31 | 2000-07-24 | 住友電気工業株式会社 | 分散補償ファイバ |
EP0762159B1 (en) * | 1995-08-31 | 2003-10-22 | Sumitomo Electric Industries, Ltd. | Dispersion-compensating fiber and method of fabricating the same |
US5748824A (en) * | 1995-11-17 | 1998-05-05 | Corning Incorporated | Positive dispersion optical waveguide |
JP3760557B2 (ja) * | 1996-04-15 | 2006-03-29 | 住友電気工業株式会社 | 分散補償ファイバ及びそれを含む光伝送システム |
CA2202586C (en) * | 1996-04-15 | 2003-05-06 | Masashi Onishi | Dispersion compensating fiber and optical transmission system including the same |
JPH10274720A (ja) * | 1997-01-29 | 1998-10-13 | Sumitomo Electric Ind Ltd | シングルモード光ファイバ |
JPH10325913A (ja) * | 1997-03-25 | 1998-12-08 | Furukawa Electric Co Ltd:The | 分散補償光ファイバおよびその光ファイバを用いた波長多重光伝送路 |
JP3337943B2 (ja) * | 1997-05-20 | 2002-10-28 | 株式会社フジクラ | 分散補償光ファイバ |
FR2788138B1 (fr) * | 1999-01-04 | 2001-03-30 | Cit Alcatel | Fibre optique a faible pente de dispersion chromatique |
FR2790105B1 (fr) * | 1999-02-18 | 2003-07-04 | Cit Alcatel | Systeme, ligne et procede de transmission a fibre optique |
US6442320B1 (en) * | 1999-04-16 | 2002-08-27 | Lasercomm Inc. | Limited mode dispersion compensating optical fiber |
US6430347B1 (en) * | 1999-09-30 | 2002-08-06 | Corning Incorporated | Dispersion and dispersion slope compensated fiber link |
JP2002148464A (ja) * | 2000-11-07 | 2002-05-22 | Furukawa Electric Co Ltd:The | 光ファイバ |
-
2000
- 2000-11-07 JP JP2000339310A patent/JP2002148464A/ja active Pending
-
2001
- 2001-11-02 US US09/985,363 patent/US6522819B2/en not_active Expired - Lifetime
- 2001-11-03 KR KR1020010068333A patent/KR100842990B1/ko active IP Right Grant
- 2001-11-05 CN CNB011344725A patent/CN1157615C/zh not_active Expired - Fee Related
- 2001-11-05 CA CA002361028A patent/CA2361028A1/en not_active Abandoned
- 2001-11-07 EP EP01309415A patent/EP1205778A3/en not_active Withdrawn
- 2001-11-07 BR BR0105121-0A patent/BR0105121A/pt not_active IP Right Cessation
-
2002
- 2002-08-08 HK HK02105797.2A patent/HK1044194A1/zh unknown
- 2002-12-24 US US10/327,081 patent/US6754421B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020054742A1 (en) | 2002-05-09 |
US6754421B2 (en) | 2004-06-22 |
CA2361028A1 (en) | 2002-05-07 |
CN1157615C (zh) | 2004-07-14 |
BR0105121A (pt) | 2002-06-25 |
EP1205778A2 (en) | 2002-05-15 |
CN1352400A (zh) | 2002-06-05 |
JP2002148464A (ja) | 2002-05-22 |
EP1205778A3 (en) | 2004-06-02 |
KR100842990B1 (ko) | 2008-07-01 |
US20030128947A1 (en) | 2003-07-10 |
HK1044194A1 (zh) | 2002-10-11 |
US6522819B2 (en) | 2003-02-18 |
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