JP4465527B2 - 微細構造光ファイバ、プリフォーム及び微細構造光ファイバの製造方法 - Google Patents
微細構造光ファイバ、プリフォーム及び微細構造光ファイバの製造方法 Download PDFInfo
- Publication number
- JP4465527B2 JP4465527B2 JP2004543196A JP2004543196A JP4465527B2 JP 4465527 B2 JP4465527 B2 JP 4465527B2 JP 2004543196 A JP2004543196 A JP 2004543196A JP 2004543196 A JP2004543196 A JP 2004543196A JP 4465527 B2 JP4465527 B2 JP 4465527B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- microstructured optical
- softening point
- region
- point temperature
- 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.)
- Expired - Lifetime
Links
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
- G02B6/02295—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
- G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
- G02B6/02328—Hollow or gas filled core
-
- 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
-
- 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
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
- C03B37/0122—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of photonic crystal, microstructured or holey optical fibres
-
- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02781—Hollow fibres, e.g. holey fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
-
- 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
- G02B6/02357—Property of longitudinal structures or background material varies radially and/or azimuthally in the cladding, e.g. size, spacing, periodicity, shape, refractive index, graded index, quasiperiodic, quasicrystals
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
-
- 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
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/24—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with nitrogen, e.g. silicon oxy-nitride glasses
-
- 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
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
-
- 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
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/222—Mismatching viscosities or softening points of glass layers
-
- 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
Description
である。ここで、niは内側材の屈折率、n0は外側材の屈折率である。デルタは、パーセントで一般的に表現される。
Claims (5)
- 波長を有する光信号を伝播するための微細構造光ファイバであって、前記微細構造光ファイバは、
前記波長における屈折率及び軟化点温度を有する内側材と、前記内側材に形成された複数の穴と、を含む内側領域と、
前記内側領域の周りに配置された外側領域と、を含み、
前記外側領域は前記内側領域を包囲する外側材を含み、前記外側材は前記波長での屈折率及び軟化点温度を有し、
前記内側材の前記軟化点温度が少なくとも50℃だけ前記外側材の軟化点温度よりも高く、前記内側材の前記屈折率は、前記波長において前記外側材の屈折率と同一であることを特徴とする微細構造光ファイバ。 - 前記内側領域はコアを含むことを特徴とする請求項1記載の微細構造光ファイバ。
- 前記外側材は実質的にその中に形成される穴を有しないことを特徴とする請求項1記載の微細構造光ファイバ。
- 前記コアは前記内側材に形成された穴を有することを特徴とする請求項2記載の微細構造光ファイバ。
- 請求項1記載の前記微細構造光ファイバを含む光通信システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/171,337 US6847771B2 (en) | 2002-06-12 | 2002-06-12 | Microstructured optical fibers and preforms and methods for fabricating microstructured optical fibers |
PCT/US2003/015618 WO2004034094A2 (en) | 2002-06-12 | 2003-05-16 | Microstructured optical fibers preforms and methods of fabricating microstructured optical fibers |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005538029A JP2005538029A (ja) | 2005-12-15 |
JP4465527B2 true JP4465527B2 (ja) | 2010-05-19 |
Family
ID=29732754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004543196A Expired - Lifetime JP4465527B2 (ja) | 2002-06-12 | 2003-05-16 | 微細構造光ファイバ、プリフォーム及び微細構造光ファイバの製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6847771B2 (ja) |
EP (1) | EP1514143B1 (ja) |
JP (1) | JP4465527B2 (ja) |
KR (1) | KR20050004300A (ja) |
AU (1) | AU2003299210A1 (ja) |
DE (1) | DE60302158D1 (ja) |
DK (1) | DK1514143T3 (ja) |
WO (1) | WO2004034094A2 (ja) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6363096B1 (en) * | 1999-08-30 | 2002-03-26 | Lucent Technologies Inc. | Article comprising a plastic laser |
KR100390642B1 (ko) * | 2001-06-08 | 2003-07-07 | 학교법인 포항공과대학교 | 테라헤르츠파 전송을 위한 플라스틱 광결정 섬유 및 그제조 방법 |
US6917741B2 (en) | 2002-11-18 | 2005-07-12 | Corning Incorporated | Methods for manufacturing microstructured optical fibers with arbitrary core size |
US6931188B2 (en) | 2003-02-21 | 2005-08-16 | Weatherford/Lamb, Inc. | Side-hole cane waveguide sensor |
WO2004095099A1 (en) * | 2003-04-01 | 2004-11-04 | Corning Incorporated | Photonic band gap optical fiber |
US7567740B2 (en) * | 2003-07-14 | 2009-07-28 | Massachusetts Institute Of Technology | Thermal sensing fiber devices |
CA2531822A1 (en) * | 2003-07-14 | 2005-06-02 | Massachusetts Institute Of Technology | Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials |
US6993230B2 (en) * | 2003-08-01 | 2006-01-31 | The United States Of America As Represented By The Secretary Of The Navy | Hollow core photonic band gap infrared fibers |
US7873251B2 (en) * | 2003-08-01 | 2011-01-18 | Bayya Shyam S | Photonic band gap germanate glass fibers |
US20050074215A1 (en) | 2003-08-01 | 2005-04-07 | United States Of America As Represented By The Secretary Of The Navy | Fabrication of high air fraction photonic band gap fibers |
US7403689B2 (en) * | 2003-11-19 | 2008-07-22 | Corning Incorporated | Active photonic band-gap optical fiber |
US20050185907A1 (en) * | 2004-02-25 | 2005-08-25 | Byren Robert W. | Stimulated brillouin scattering phase conjugate mirror utilizing photonic bandgap guide and method |
JP4451696B2 (ja) | 2004-03-30 | 2010-04-14 | 富士通株式会社 | 微細構造ファイバの非線形係数の波長依存性をキャンセルする装置 |
US20060153512A1 (en) * | 2004-04-22 | 2006-07-13 | Falkenstein Paul L | Fused array preform fabrication of holey optical fibers |
JP4561314B2 (ja) * | 2004-10-28 | 2010-10-13 | 日立電線株式会社 | ファイバレーザ用光ファイバ、ファイバレーザ及びレーザ発振方法 |
WO2006117938A1 (en) * | 2005-04-26 | 2006-11-09 | The Furukawa Electric Co., Ltd | Optical fiber preform including a non-axisymmetric cross section |
US7283712B2 (en) * | 2005-05-03 | 2007-10-16 | United States Of America As Represented By The Secretary Of The Navy | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method |
US7236671B2 (en) * | 2005-05-10 | 2007-06-26 | Corning Incorporated | Fiber bundles and methods of making fiber bundles |
JP2007094209A (ja) * | 2005-09-29 | 2007-04-12 | Rohm Co Ltd | 光受信装置 |
US7551819B2 (en) * | 2006-03-02 | 2009-06-23 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-core photonic-bandgap fiber with coupling between the cores |
US7430345B2 (en) | 2006-03-02 | 2008-09-30 | The Board Of Trustees Of The Leland Stanford Junior University | Polarization controller using a hollow-core photonic-bandgap fiber |
US7854143B2 (en) * | 2006-12-22 | 2010-12-21 | Ofs Fitel Llc | Optical fiber preform with improved air/glass interface structure |
CA2677014C (en) * | 2007-02-15 | 2013-11-12 | Institut National D'optique | Archimedean-lattice microstructured optical fiber |
US8755658B2 (en) * | 2007-02-15 | 2014-06-17 | Institut National D'optique | Archimedean-lattice microstructured optical fiber |
US7346250B1 (en) * | 2007-03-30 | 2008-03-18 | Corning Incorporated | Preferential etching method of forming microstructure for an optical waveguide |
US7702189B2 (en) * | 2007-06-04 | 2010-04-20 | Honeywell International Inc. | Fiber optic chemical sensor |
US8133593B2 (en) * | 2008-06-26 | 2012-03-13 | Corning Incorporated | Pre-form for and methods of forming a hollow-core slotted PBG optical fiber for an environmental sensor |
JP2010169965A (ja) * | 2009-01-23 | 2010-08-05 | Asahi Glass Co Ltd | フォトニッククリスタルファイバおよびその製造方法 |
US20100303429A1 (en) * | 2009-05-26 | 2010-12-02 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Microstructured Optical Fiber Draw Method with In-Situ Vacuum Assisted Preform Consolidation |
US9416042B2 (en) * | 2010-12-06 | 2016-08-16 | The United States Of America, As Represented By The Secretary Of The Navy | Hexagonal tube stacking method for the fabrication of hollow core photonic band gap fibers and preforms |
US9096455B2 (en) | 2010-12-06 | 2015-08-04 | The United States Of America, As Represented By The Secretary Of The Navy | Photonic band gap fibers using a jacket with a depressed softening temperature |
US8571371B2 (en) | 2011-06-15 | 2013-10-29 | The United States Of America As Represented By The Secretary Of The Navy | Direct extrusion method for the fabrication of photonic band gap (PBG) fibers and fiber preforms |
JP2013061559A (ja) * | 2011-09-14 | 2013-04-04 | Sumitomo Electric Ind Ltd | 光ファイバ |
JP5888966B2 (ja) * | 2011-12-16 | 2016-03-22 | 古河電気工業株式会社 | フォトニックバンドギャップファイバの製造方法 |
JP5384679B2 (ja) * | 2012-01-19 | 2014-01-08 | 湖北工業株式会社 | 光ファイバ母材を製造する方法及び光ファイバ母材 |
KR101475796B1 (ko) * | 2013-02-08 | 2014-12-23 | 차오-웨이 메탈 인더스트리얼 컴퍼니 리미티드 | 표면 미세 구조를 갖는 판상 공작물의 제조 방법 |
EP3047319B8 (en) * | 2013-09-20 | 2021-06-30 | University Of Southampton | Methods of manufacturing hollow-core photonic bandgap fibers |
CN107209323A (zh) | 2014-12-18 | 2017-09-26 | Nkt光子学有限公司 | 光子晶体光纤、光子晶体光纤的制备方法以及超连续谱光源 |
US11021388B2 (en) * | 2015-04-15 | 2021-06-01 | Nakahara Opto-Electronics Laboratories, Inc. | Perforated quartz glass tube and method for manufacturing perforated quartz glass tube |
EP3136143B1 (en) * | 2015-08-26 | 2020-04-01 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Hollow-core fibre and method of manufacturing thereof |
US10261244B2 (en) * | 2016-02-15 | 2019-04-16 | Nxgen Partners Ip, Llc | System and method for producing vortex fiber |
FR3069336B1 (fr) * | 2017-07-24 | 2022-12-09 | Centre Nat Rech Scient | Fibre optique |
GB2565117B (en) * | 2017-08-02 | 2022-10-12 | Univ Southampton | Hollow core photonic bandgap optical fibres and methods of fabrication |
KR101991659B1 (ko) * | 2017-11-17 | 2019-06-21 | 대한광통신 주식회사 | 대면적 모드 분포를 가지는 광섬유 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5164945A (en) * | 1991-07-01 | 1992-11-17 | Laser Centers Of America, Inc. | Laser device with intermediate refraction index layer for reduced fresnel losses |
US5802236A (en) * | 1997-02-14 | 1998-09-01 | Lucent Technologies Inc. | Article comprising a micro-structured optical fiber, and method of making such fiber |
US6404966B1 (en) * | 1998-05-07 | 2002-06-11 | Nippon Telegraph And Telephone Corporation | Optical fiber |
US6243522B1 (en) * | 1998-12-21 | 2001-06-05 | Corning Incorporated | Photonic crystal fiber |
JP3815170B2 (ja) | 2000-02-14 | 2006-08-30 | 住友電気工業株式会社 | 微細構造光ファイバ用母材及び微細構造光ファイバの製造方法 |
JP2001235649A (ja) | 2000-02-23 | 2001-08-31 | Sumitomo Electric Ind Ltd | 光ファイバ |
US6444133B1 (en) * | 2000-04-28 | 2002-09-03 | Corning Incorporated | Method of making photonic band gap fibers |
US6418258B1 (en) * | 2000-06-09 | 2002-07-09 | Gazillion Bits, Inc. | Microstructured optical fiber with improved transmission efficiency and durability |
JP2002029769A (ja) | 2000-07-13 | 2002-01-29 | Sumitomo Electric Ind Ltd | 光ファイバの製造方法 |
JP3513101B2 (ja) | 2000-10-30 | 2004-03-31 | 三菱電線工業株式会社 | フォトニッククリスタルファイバの製造方法 |
US6801356B2 (en) * | 2000-11-09 | 2004-10-05 | University Of Southampton | Optical parametric devices and methods for making same |
US6856742B2 (en) | 2000-11-10 | 2005-02-15 | Crystal Fibre A/S | Optical fibres with special bending and dispersion properties |
JP2002277667A (ja) | 2001-03-14 | 2002-09-25 | Sumitomo Electric Ind Ltd | 光ファイバ |
-
2002
- 2002-06-12 US US10/171,337 patent/US6847771B2/en not_active Expired - Fee Related
-
2003
- 2003-05-16 DE DE60302158T patent/DE60302158D1/de not_active Expired - Lifetime
- 2003-05-16 EP EP03808019A patent/EP1514143B1/en not_active Expired - Lifetime
- 2003-05-16 DK DK03808019T patent/DK1514143T3/da active
- 2003-05-16 WO PCT/US2003/015618 patent/WO2004034094A2/en active IP Right Grant
- 2003-05-16 JP JP2004543196A patent/JP4465527B2/ja not_active Expired - Lifetime
- 2003-05-16 KR KR10-2004-7020154A patent/KR20050004300A/ko not_active Application Discontinuation
- 2003-05-16 AU AU2003299210A patent/AU2003299210A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DK1514143T3 (da) | 2006-03-20 |
DE60302158D1 (de) | 2005-12-08 |
WO2004034094A2 (en) | 2004-04-22 |
JP2005538029A (ja) | 2005-12-15 |
AU2003299210A1 (en) | 2004-05-04 |
EP1514143B1 (en) | 2005-11-02 |
US6847771B2 (en) | 2005-01-25 |
US20030231846A1 (en) | 2003-12-18 |
KR20050004300A (ko) | 2005-01-12 |
EP1514143A2 (en) | 2005-03-16 |
WO2004034094A3 (en) | 2004-06-24 |
AU2003299210A8 (en) | 2004-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4465527B2 (ja) | 微細構造光ファイバ、プリフォーム及び微細構造光ファイバの製造方法 | |
JP3786010B2 (ja) | 光ファイバ | |
US7668428B2 (en) | Optical fiber and optical device | |
WO2011114795A1 (ja) | マルチコア光ファイバおよびその製造方法 | |
US20060213230A1 (en) | Method of manufacturing microstructured optical fiber | |
JP2008058967A (ja) | 多波長、多モード光ファイバ | |
JP2007536580A5 (ja) | ||
JP5416059B2 (ja) | 光ファイバ | |
JP2007536580A (ja) | 長波長用純シリカ製コアシングルモードファイバ及び該ファイバを形成する方法 | |
CN111443419B (zh) | 一种大模场抗弯多芯少模光纤 | |
US6850679B2 (en) | Microstructured optical fiber and method of making | |
EP2056135B1 (en) | Optical fiber and light guide | |
JP2014238526A (ja) | 光ファイバ | |
US20060045446A1 (en) | Optical fiber with birefringence and large mode field diameter | |
JP2003004973A (ja) | 光ファイバカプラ及び光ファイバカプラ用の光ファイバ | |
CN107490820B (zh) | 一种全固态大模面积近零色散平坦微结构光纤 | |
JP3802843B2 (ja) | 光ファイバの製造方法 | |
WO2018138736A2 (en) | Optical fiber draw assembly and fabricated optical fiber thereof | |
JP2005055795A (ja) | 偏波保持光ファイバ及びこの偏波保持光ファイバを用いた光波長変換器 | |
JP5457089B2 (ja) | フォトニックバンドギャップファイバ用母材の製造方法、及び、フォトニックバンドギャップファイバの製造方法 | |
JP3871053B2 (ja) | 分散フラットファイバ | |
JP4015959B2 (ja) | 高耐応力光ファイバ | |
US20140133816A1 (en) | Holey Fiber | |
JP3909397B2 (ja) | シングルモード光ファイバ | |
JP2006512266A (ja) | 低スプライス損失の光ファイバ及び該光ファイバを製造する方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060302 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090616 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090831 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091027 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091127 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100126 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100208 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130305 Year of fee payment: 3 |