WO2002088801A3 - Higher-order-mode dispersion compensating photonic crystal fibres - Google Patents

Higher-order-mode dispersion compensating photonic crystal fibres Download PDF

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Publication number
WO2002088801A3
WO2002088801A3 PCT/DK2002/000164 DK0200164W WO02088801A3 WO 2002088801 A3 WO2002088801 A3 WO 2002088801A3 DK 0200164 W DK0200164 W DK 0200164W WO 02088801 A3 WO02088801 A3 WO 02088801A3
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WO
WIPO (PCT)
Prior art keywords
max
refractive index
cladding
region
core
Prior art date
Application number
PCT/DK2002/000164
Other languages
French (fr)
Other versions
WO2002088801A2 (en
Inventor
Jes Broeng
Anders Bjarklev
Stig Eigil Barkou Libori
Original Assignee
Crystal Fibre As
Jes Broeng
Anders Bjarklev
Stig Eigil Barkou Libori
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Crystal Fibre As, Jes Broeng, Anders Bjarklev, Stig Eigil Barkou Libori filed Critical Crystal Fibre As
Priority to AU2002237219A priority Critical patent/AU2002237219A1/en
Publication of WO2002088801A2 publication Critical patent/WO2002088801A2/en
Publication of WO2002088801A3 publication Critical patent/WO2002088801A3/en

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02323Core having lower refractive index than cladding, e.g. photonic band gap guiding
    • G02B6/02328Hollow or gas filled core
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211Manufacture 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
    • C03B37/01217Manufacture 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 polarisation-maintaining optical fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211Manufacture 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
    • C03B37/0122Manufacture 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02214Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219Characterised 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
    • G02B6/02252Negative dispersion fibres at 1550 nm
    • G02B6/02261Dispersion compensating fibres, i.e. for compensating positive dispersion of other fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02338Structured core, e.g. core contains more than one material, non-constant refractive index distribution in core, asymmetric or non-circular elements in core unit, multiple cores, insertions between core and clad
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02347Longitudinal structures arranged to form a regular periodic lattice, e.g. triangular, square, honeycomb unit cell repeated throughout cladding
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02357Property 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02361Longitudinal 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02366Single ring of structures, e.g. "air clad"
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02371Cross section of longitudinal structures is non-circular
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616Optical 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
    • G02B6/03622Optical 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 2 layers only
    • G02B6/03627Optical 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 2 layers only arranged - +
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/30Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/36Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00Fibre product details, e.g. structure, shape
    • C03B2203/42Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02114Refractive index modulation gratings, e.g. Bragg gratings characterised by enhanced photosensitivity characteristics of the fibre, e.g. hydrogen loading, heat treatment
    • G02B6/02119Photosensitivity profiles determining the grating structure, e.g. radial or longitudinal
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02295Microstructured optical fibre
    • G02B6/02314Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02385Comprising liquid, e.g. fluid filled holes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/036Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605Highest refractive index not on central axis
    • G02B6/03611Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/14Mode converters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29371Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion
    • G02B6/29374Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide
    • G02B6/29376Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
    • G02B6/29377Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Lasers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

The present invention relates to a novel group of cladding and core designs, especially for use in optical fibres, which provides enhanced dispersion compensating properties through waveguiding of higher-order modes. In a first aspect, the present invention relates to an optical fibre comprising: A central region (41) having a centre radius r centre, max and an effective refractive index ncentre.eff • A core region (43), having a core radius rcore-max,a maximum refractive index ncore,max, and an effective refractive index ncore,eff • A cladding region (45, 46) having a cladding radius rciadding,max, a maximum refractive index nclad,max, an effective refractive index nciad,effand/or a resultant geometrical index ng,clad In preferred embodiments, the core region and or the cladding region comprise a photonic crystal structure.
PCT/DK2002/000164 2001-03-12 2002-03-12 Higher-order-mode dispersion compensating photonic crystal fibres WO2002088801A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002237219A AU2002237219A1 (en) 2001-03-12 2002-03-12 Higher-order-mode dispersion compensating photonic crystal fibres

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DKPA200100416 2001-03-12
DKPA200100416 2001-03-12
US34187101P 2001-12-21 2001-12-21
US60/341,871 2001-12-21

Publications (2)

Publication Number Publication Date
WO2002088801A2 WO2002088801A2 (en) 2002-11-07
WO2002088801A3 true WO2002088801A3 (en) 2007-11-29

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Family Applications (1)

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PCT/DK2002/000164 WO2002088801A2 (en) 2001-03-12 2002-03-12 Higher-order-mode dispersion compensating photonic crystal fibres

Country Status (2)

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AU (1) AU2002237219A1 (en)
WO (1) WO2002088801A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8995051B2 (en) 2007-09-26 2015-03-31 Imra America, Inc. Glass large-core optical fibers

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004057394A1 (en) 2002-12-20 2004-07-08 Crystal Fibre A/S Photonic bandgap optical waveguide
US7321712B2 (en) 2002-12-20 2008-01-22 Crystal Fibre A/S Optical waveguide
US7082242B2 (en) 2003-01-31 2006-07-25 Corning Incorporated Multiple core microstructured optical fibers and methods using said fibers
US7346249B2 (en) 2003-03-21 2008-03-18 Crystal Fibre A/S Photonic bandgap optical waveguide with anti-resonant core boundary
JP4047232B2 (en) 2003-06-18 2008-02-13 株式会社フジクラ Mode converter for high-order mode fiber
US7280730B2 (en) 2004-01-16 2007-10-09 Imra America, Inc. Large core holey fibers
US7787729B2 (en) 2005-05-20 2010-08-31 Imra America, Inc. Single mode propagation in fibers and rods with large leakage channels
EP1902341A2 (en) 2005-07-08 2008-03-26 Koheras A/S Blue extended super continuum light source
WO2008067823A1 (en) 2006-12-08 2008-06-12 Koheras A/S Deep blue extended super continuum light source
JP2012001425A (en) * 2010-05-17 2012-01-05 Sumitomo Electric Ind Ltd Method of manufacturing optical fiber, optical fiber and optical fiber preform
US8903214B2 (en) 2010-06-25 2014-12-02 Nkt Photonics A/S Large core area single mode optical fiber
DE102012000670A1 (en) * 2012-01-17 2013-07-18 Heraeus Quarzglas Gmbh & Co. Kg Fused quartz glass semi-finished product for an optical component and method for producing the semifinished product
CN103323910B (en) * 2013-06-21 2015-04-08 长飞光纤光缆股份有限公司 Double-clad optical fiber
US10274672B2 (en) 2014-03-25 2019-04-30 Nkt Photonics A/S Microstructured fiber and supercontinuum light source

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US5802236A (en) * 1997-02-14 1998-09-01 Lucent Technologies Inc. Article comprising a micro-structured optical fiber, and method of making such fiber
WO2000016141A1 (en) * 1998-09-15 2000-03-23 Corning Incorporated Waveguides having axially varying structure
US6097870A (en) * 1999-05-17 2000-08-01 Lucent Technologies Inc. Article utilizing optical waveguides with anomalous dispersion at vis-nir wavelenghts
WO2000049436A1 (en) * 1999-02-19 2000-08-24 Blazephotonics Limited Improvements in or relating to photonic crystal fibres
WO2000055661A1 (en) * 1999-03-12 2000-09-21 Corning Incorporated Large effective area waveguide fiber

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US5802236A (en) * 1997-02-14 1998-09-01 Lucent Technologies Inc. Article comprising a micro-structured optical fiber, and method of making such fiber
WO2000016141A1 (en) * 1998-09-15 2000-03-23 Corning Incorporated Waveguides having axially varying structure
WO2000049436A1 (en) * 1999-02-19 2000-08-24 Blazephotonics Limited Improvements in or relating to photonic crystal fibres
WO2000055661A1 (en) * 1999-03-12 2000-09-21 Corning Incorporated Large effective area waveguide fiber
US6097870A (en) * 1999-05-17 2000-08-01 Lucent Technologies Inc. Article utilizing optical waveguides with anomalous dispersion at vis-nir wavelenghts

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Title
BARKOU S E ET AL: "DISPERSION PROPERTIES OF PHOTONIC BANDGAP GUIDING FIBERS", OFC/IOOC '99 OPTICAL FIBER COMMUNICATION CONFERENCE / INTERNATIONAL CONFERENCE ON INTEGRATED OPTICS AND OPTICAL FIBER COMMUNICATION. SAN DIEGO, CA, FEB. 21 - 26, 1999, OPTICAL FIBER COMMUNICATION CONFERENCE / INTERNATIONAL CONFERENCE ON INTEGRATED OP, 21 February 1999 (1999-02-21), pages 117 - 119, XP000967108, ISBN: 0-7803-5430-3 *
BJARKLEV A ET AL: "DISPERSION PROPERTIES OF PHOTONIC CRYSTAL FIBRES", PROCEEDINGS OF THE EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION, XX, XX, 20 September 1998 (1998-09-20), pages 135 - 136, XP000791194 *
BRECHET F ET AL: "Singlemode propagation into depressed-core-index photonic-bandgap fibre designed for zero-dispersion propagation at short wavelengths", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 36, no. 6, 16 March 2000 (2000-03-16), pages 514 - 515, XP006014977, ISSN: 0013-5194 *
GHOSH R ET AL: "Waveguiding properties of holey fibres and effective-V model", ELECTRONICS LETTERS, IEE STEVENAGE, GB, vol. 35, no. 21, 14 October 1999 (1999-10-14), pages 1873 - 1875, XP006012823, ISSN: 0013-5194 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8995051B2 (en) 2007-09-26 2015-03-31 Imra America, Inc. Glass large-core optical fibers

Also Published As

Publication number Publication date
AU2002237219A8 (en) 2008-01-24
AU2002237219A1 (en) 2002-11-11
WO2002088801A2 (en) 2002-11-07

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