KR20010014256A - 단일 모드 광섬유 - Google Patents
단일 모드 광섬유 Download PDFInfo
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- KR20010014256A KR20010014256A KR1019997012363A KR19997012363A KR20010014256A KR 20010014256 A KR20010014256 A KR 20010014256A KR 1019997012363 A KR1019997012363 A KR 1019997012363A KR 19997012363 A KR19997012363 A KR 19997012363A KR 20010014256 A KR20010014256 A KR 20010014256A
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- fiber
- optical fiber
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
-
- 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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02347—Longitudinal structures arranged to form a regular periodic lattice, e.g. triangular, square, honeycomb unit cell repeated throughout cladding
-
- 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
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre axis
-
- 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
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02371—Cross section of longitudinal structures is non-circular
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1225—Basic optical elements, e.g. light-guiding paths comprising photonic band-gap structures or photonic lattices
-
- 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
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/14—Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/42—Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical 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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02385—Comprising liquid, e.g. fluid filled holes
Abstract
Description
Claims (31)
- 방사선을 전송하기 위한 광섬유에 있어서,실질적으로 투명한 코어 재료를 포함하고, 코어 굴절율(n) 및 길이(l)를 가지며, 적어도 5㎛의 코어 직경을 가지는 코어; 및코어 재료 길이를 둘러싸는 클래딩 영역을 포함하고, 상기 클래딩 영역은 실질적으로 투명한 제 1 클래딩 재료를 포함하고, 제 1 굴절율을 가지며, 실질적으로 투명한 상기 제 1 클래딩 재료는 섬유의 길이를 따라 실질적으로 주기적인 홀 어레이가 내장되고, 상기 홀은 제 1 굴절율보다 작은 제 2 굴절율을 가지고,광섬유에 대한 방사선은 단일 전파 모드에서 코어 재료의 길이를 따라 전송되는 광섬유.
- 제 1 항에 있어서, 상기 홀은 직경(d)을 가지며, 피치(Λ) 만큼 이격되고, 상기 광섬유는 실질적으로 고정된 d/Λ를 위하여 임의의 값의 피치(Λ)에 대해 입력 방사선 파장과 무관하게 단일 모드인 광섬유.
- 제 1 항에 있어서, 상기 실질적으로 투명한 제 1 클래딩 재료는 코어 굴절율보다 작지 않은 굴절율을 가지는 광섬유.
- 제 1 항에 있어서, 상기 코어 직경은 적어도 10 ㎛인 광섬유.
- 제 4 항에 있어서, 상기 코어 직경은 적어도 20㎛인 것을 특징으로 하는 광섬유.
- 제 1 항에 있어서, 적어도 하나의 어레이 홀은 광섬유 코어를 형성하도록 비어 있는 광섬유.
- 제 1 항에 있어서, 실질적으로 투명한 제 1 클래딩 재료는 실질적으로 균일한 제 1 굴절율을 가지는 광섬유.
- 제 1 항에 있어서, 상기 코어 재료는 실질적으로 균일한 코어 굴절율을 가지는 광섬유.
- 제 1 항에 있어서, 상기 코어 재료 및 실질적으로 투명한 제 1 클래딩 재료가 동일한 광섬유.
- 제 1 항에 있어서, 적어도 하나의 코어 재료 및 실질적으로 투명한 제 1 클래딩 재료는 실리카인 광섬유.
- 제 1 항에 있어서, 상기 홀의 직경은 섬유에 인도될 광 파장보다 작지 않은 광섬유.
- 제 1 항에 있어서, 상기 홀은 비어있는 광섬유.
- 제 1 항에 있어서, 상기 홀은 제 2 클래딩 재료로 충전되는 광섬유.
- 제 13 항에 있어서, 상기 제 2 클래딩 재료는 공기인 광섬유.
- 제 13 항에 있어서, 상기 제 2 클래딩 재료는 액체인 광섬유.
- 제 13 항에 있어서, 상기 제 2 클래딩 재료는 실질적으로 투명한 재료인 광섬유.
- 제 1 항에 있어서, 실질적으로 투명한 코어 재료는 도판트 재료를 포함하는 광섬유.
- 제 1 항에 있어서, 상기 홀은 실질적으로 육각형 패턴으로 배열되는 광섬유.
- 신호 방사선을 증폭하기 위한 섬유 증폭기에 있어서,선택된 파장의 신호 방사선을 수신하고 섬유의 길이를 따라 상기 입력 방사선을 전송하기 위한 청구항 제 1 항 내지 제 5 항 중 어느 한 항에 따른 광섬유 길이를 포함하는데, 상기 코어 재료는 섬유의 일부를 따라 도판트 재료를 포함하고,도핑된 코어 재료의 일부가 펌프 방사선의 작용 하에서 신호 방사선을 증폭하도록, 광섬유 길이에 입력하기 위한 다른 선택된 파장의 펌프 방사선을 방사하기 위한 방사선 소스, 및광섬유의 길이에 펌프 방사선을 선택적으로 전송하고 섬유 증폭기로부터 증폭된 신호 방사선을 선택적으로 출력하기 위한 파장 선택 전송 수단을 포함하는 섬유 증폭기.
- 제 19 항에 있어서, 상기 파장 선택 전송 수단은,방사선 및 포커싱 방사선을 위한 입력 렌즈 및 출력 렌즈, 및광섬유로 펌프 방사선을 선택적으로 반사시키고, 섬유 증폭기로부터 출력되는 증폭된 신호 방사선을 선택적으로 전송하기 위한 2색성 미러를 포함하는 섬유 증폭기.
- 제 19 항에 있어서, 상기 파장 선택 전송 수단은 파장 종속 응답을 가지는 섬유 지향성 커플러를 포함하는 섬유 증폭기.
- 제 19 항 내지 제 21 항 중 어느 한 항에 있어서, 상기 도판트 재료는 희토 산화물 이온인 섬유 증폭기.
- 제 22 항에 있어서, 상기 희토 산화물 이온은 에르븀 이온인 섬유 증폭기.
- 레이저 방사선을 출력하기 위한 섬유 레이저에 있어서,섬유 길이를 따라 선택된 파장을 가지는 레이저 방사선을 선택적으로 전송하기 위한 제 1 항 내지 제 5 항 중 어느 한 항에 따른 광섬유 길이를 포함하는데, 상기 코어 재료의 길이 일부는 도판트 재료를 포함하고,도핑된 코어 재료가 펌프 방사선의 작용 하에서 레이저 방사선을 증폭하도록, 광섬유 길이에 입력하기 위한 다른 선택된 파장의 펌프 방사선을 방사하기 위한 방사선 소스,광섬유의 길이로 펌프 방사선을 선택적으로 전송하고 섬유 레이저로부터 증폭된 레이저 방사선을 선택적으로 출력하기 위한 파장 선택 전송 수단, 및상기 증폭된 레이저 방사선이 반복적으로 광섬유 길이를 따라 통과하고 추가로 증폭되도록 증폭된 레이저 방사선의 일부를 선택적으로 다시 공급하기 위한 피드백 수단을 포함하는 섬유 레이저.
- 제 24 항에 있어서, 상기 도판트 재료는 희토 산화물 이온을 포함하는 하는 섬유 레이저.
- 제 25 항에 있어서, 상기 희토 산화물 이온은 에르븀인 섬유 레이저.
- 제 24 항에 있어서, 상기 파장 선택 전송 수단 및 피드백 수단은 두 개의 2색성 미러를 포함하고, 각각의 2 색성 미러는 광섬유의 길이를 따라 다른 위치에 배치되고, 도핑된 코어 재료는 두 개의 2 색성 미러 위치 사이에 배치되는 섬유 레이저.
- 제 24 항에 있어서, 상기 피드백 수단 및 파장 선택 전송 수단은 도핑된 코어 재료가 두 개의 섬유 격자 사이에 배치되도록 광섬유 길이를 따라 두 개의 위치에 형성된 두 개의 섬유 격자를 포함하는 섬유 레이저.
- 제 24 항에 있어서, 상기 피드백 수단은 도핑된 코어 재료를 가지는 광섬유의 길이의 한쪽 단부로부터 상기 광섬유 길이의 다른 단부로 방사하는 광을 지향시키기 위한 수단을 포함하는 섬유 레이저.
- 단일 전파 모드에서 방사선을 전송하기 위한 시스템에 있어서,각각의 광섬유 길이가 직렬로 광섬유 이전 길이로부터의 입력 방사선을 수신하고 직렬의 광섬유의 추후 길이로 출력 방사선을 전송하고, 각각의 길이가 소정 전력 이상으로 광섬유 길이에 의해 전송된 방사선 전력을 유지하기 위하여 광섬유 길이로부터 방사선 출력을 증폭하기 위한 증폭 수단에 의해 분리되도록 직렬로 배열된 청구항 제 1 항 내지 제 5 항 중 어느 한 항에 따른 다수의 길이의 광섬유를 포함하는 시스템.
- 제 30 항에 있어서, 상기 증폭 수단은 청구항 제 19 항 내지 청구항 제 23 항 중 어느 한 항에 따른 섬유 증폭기를 포함하는 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9713422.5A GB9713422D0 (en) | 1997-06-26 | 1997-06-26 | Single mode optical fibre |
GB9713422.5 | 1997-06-26 | ||
PCT/GB1998/001782 WO1999000685A1 (en) | 1997-06-26 | 1998-06-17 | Single mode optical fibre |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010014256A true KR20010014256A (ko) | 2001-02-26 |
KR100509720B1 KR100509720B1 (ko) | 2005-08-26 |
Family
ID=10814917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-7012363A KR100509720B1 (ko) | 1997-06-26 | 1998-06-17 | 단일 모드 광섬유 |
Country Status (9)
Country | Link |
---|---|
US (2) | US6334019B1 (ko) |
EP (2) | EP0991967B1 (ko) |
JP (1) | JP4593695B2 (ko) |
KR (1) | KR100509720B1 (ko) |
CN (1) | CN1143147C (ko) |
AU (1) | AU8116998A (ko) |
DE (1) | DE69827630T2 (ko) |
GB (2) | GB9713422D0 (ko) |
WO (1) | WO1999000685A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160138196A (ko) * | 2014-03-25 | 2016-12-02 | 엔케이티 포토닉스 에이/에스 | 미세 구조 광섬유 및 초연속 광원 |
KR20190056780A (ko) * | 2017-11-17 | 2019-05-27 | 대한광통신 주식회사 | 대면적 모드 분포를 가지는 광섬유 |
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US6130780A (en) | 1998-02-19 | 2000-10-10 | Massachusetts Institute Of Technology | High omnidirectional reflector |
US6404966B1 (en) | 1998-05-07 | 2002-06-11 | Nippon Telegraph And Telephone Corporation | Optical fiber |
AU755223B2 (en) | 1998-06-09 | 2002-12-05 | Crystal Fibre A/S | A photonic band gap fibre |
US6778747B1 (en) | 1998-09-09 | 2004-08-17 | Corning Incorporated | Radially varying and azimuthally asymmetric optical waveguide fiber |
US6795635B1 (en) * | 1998-09-15 | 2004-09-21 | Corning Incorporated | Waveguides having axially varying structure |
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DE69225242T2 (de) * | 1992-09-30 | 1998-12-24 | Asahi Chemical Ind | Hohle optische mehrkern-faser und herstellungsverfahren |
US5323404A (en) * | 1993-11-02 | 1994-06-21 | At&T Bell Laboratories | Optical fiber laser or amplifier including high reflectivity gratings |
JPH09162468A (ja) * | 1995-12-06 | 1997-06-20 | Furukawa Electric Co Ltd:The | レーザ発振器 |
US6301420B1 (en) * | 1998-05-01 | 2001-10-09 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Multicore optical fibre |
US6097870A (en) * | 1999-05-17 | 2000-08-01 | Lucent Technologies Inc. | Article utilizing optical waveguides with anomalous dispersion at vis-nir wavelenghts |
-
1997
- 1997-06-26 GB GBGB9713422.5A patent/GB9713422D0/en not_active Ceased
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1998
- 1998-06-17 KR KR10-1999-7012363A patent/KR100509720B1/ko not_active IP Right Cessation
- 1998-06-17 EP EP98930885A patent/EP0991967B1/en not_active Expired - Lifetime
- 1998-06-17 US US09/446,093 patent/US6334019B1/en not_active Expired - Lifetime
- 1998-06-17 JP JP50536099A patent/JP4593695B2/ja not_active Expired - Lifetime
- 1998-06-17 CN CNB988086468A patent/CN1143147C/zh not_active Expired - Lifetime
- 1998-06-17 DE DE69827630T patent/DE69827630T2/de not_active Expired - Lifetime
- 1998-06-17 EP EP04009506A patent/EP1443347A3/en not_active Withdrawn
- 1998-06-17 WO PCT/GB1998/001782 patent/WO1999000685A1/en active IP Right Grant
- 1998-06-17 AU AU81169/98A patent/AU8116998A/en not_active Abandoned
- 1998-06-17 GB GB9929482A patent/GB2341457B/en not_active Expired - Lifetime
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2001
- 2001-10-31 US US09/984,891 patent/US6603912B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160138196A (ko) * | 2014-03-25 | 2016-12-02 | 엔케이티 포토닉스 에이/에스 | 미세 구조 광섬유 및 초연속 광원 |
US11619778B2 (en) | 2014-03-25 | 2023-04-04 | Nkt Photonics A/S | Source of supercontinuum radiation and microstructured fiber |
KR20190056780A (ko) * | 2017-11-17 | 2019-05-27 | 대한광통신 주식회사 | 대면적 모드 분포를 가지는 광섬유 |
Also Published As
Publication number | Publication date |
---|---|
AU8116998A (en) | 1999-01-19 |
US6603912B2 (en) | 2003-08-05 |
KR100509720B1 (ko) | 2005-08-26 |
JP2002506533A (ja) | 2002-02-26 |
WO1999000685A1 (en) | 1999-01-07 |
CN1143147C (zh) | 2004-03-24 |
GB2341457C (en) | 2002-04-24 |
GB2341457B (en) | 2002-04-24 |
GB9713422D0 (en) | 1997-08-27 |
EP1443347A2 (en) | 2004-08-04 |
GB2341457A (en) | 2000-03-15 |
DE69827630D1 (de) | 2004-12-23 |
JP4593695B2 (ja) | 2010-12-08 |
US20020122644A1 (en) | 2002-09-05 |
DE69827630T2 (de) | 2005-12-22 |
CN1269020A (zh) | 2000-10-04 |
EP0991967A1 (en) | 2000-04-12 |
US6334019B1 (en) | 2001-12-25 |
EP1443347A3 (en) | 2004-12-22 |
GB9929482D0 (en) | 2000-02-09 |
EP0991967B1 (en) | 2004-11-17 |
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