FR2745392B1 - Fibres optiques a plusieurs ames, et amplificateurs et systemes les comportant - Google Patents

Fibres optiques a plusieurs ames, et amplificateurs et systemes les comportant

Info

Publication number
FR2745392B1
FR2745392B1 FR9610000A FR9610000A FR2745392B1 FR 2745392 B1 FR2745392 B1 FR 2745392B1 FR 9610000 A FR9610000 A FR 9610000A FR 9610000 A FR9610000 A FR 9610000A FR 2745392 B1 FR2745392 B1 FR 2745392B1
Authority
FR
France
Prior art keywords
amplifiers
systems
same
optical fibers
core optical
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 - Fee Related
Application number
FR9610000A
Other languages
English (en)
Other versions
FR2745392A1 (fr
Inventor
Katsuyuki Imoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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
Priority claimed from JP8035262A external-priority patent/JP3006474B2/ja
Priority claimed from JP8074793A external-priority patent/JP3006476B2/ja
Application filed by Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Publication of FR2745392A1 publication Critical patent/FR2745392A1/fr
Application granted granted Critical
Publication of FR2745392B1 publication Critical patent/FR2745392B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G02B6/03661—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 4 layers only
    • G02B6/03666—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 4 layers only arranged - + - +
    • 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
    • C03B37/01222—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 multiple core 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
    • G02B6/02042—Multicore 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
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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
    • G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
    • 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
    • C03B2201/02—Pure silica glass, e.g. pure fused quartz
    • 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
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • 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
    • 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
    • C03B2201/36—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 doped with rare earth metals and aluminium, e.g. Er-Al co-doped
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/34—Plural core other than bundles, e.g. double 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • 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
    • G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical 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
    • G02B6/29371—Optical 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
    • G02B6/29374—Optical 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
    • G02B6/29376—Optical 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
    • G02B6/29377—Optical 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
    • 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
    • H01S3/06729—Peculiar transverse fibre profile
    • 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
    • H01S3/06729—Peculiar transverse fibre profile
    • H01S3/06737—Fibre having multiple non-coaxial cores, e.g. multiple active cores or separate cores for pump and gain

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
FR9610000A 1996-02-22 1996-08-08 Fibres optiques a plusieurs ames, et amplificateurs et systemes les comportant Expired - Fee Related FR2745392B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8035262A JP3006474B2 (ja) 1996-02-22 1996-02-22 マルチコアファイバ及びこれを用いた光増幅器ならびにこの増幅器を用いた装置
JP8074793A JP3006476B2 (ja) 1996-03-28 1996-03-28 マルチコアファイバ、これを用いた光増幅器、この光増幅器を用いた光増幅中継装置及び光増幅分配装置

Publications (2)

Publication Number Publication Date
FR2745392A1 FR2745392A1 (fr) 1997-08-29
FR2745392B1 true FR2745392B1 (fr) 1999-01-15

Family

ID=26374215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9610000A Expired - Fee Related FR2745392B1 (fr) 1996-02-22 1996-08-08 Fibres optiques a plusieurs ames, et amplificateurs et systemes les comportant

Country Status (4)

Country Link
US (2) US5703987A (fr)
CA (1) CA2182830C (fr)
FR (1) FR2745392B1 (fr)
GB (1) GB2310506B (fr)

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JP4102448B2 (ja) * 1997-02-07 2008-06-18 旭化成エレクトロニクス株式会社 光信号伝送用多芯プラスチック光ファイバ
US5949941A (en) * 1997-11-21 1999-09-07 Lucent Technologies Inc. Cladding-pumped fiber structures
FR2778751B1 (fr) * 1998-05-14 2000-06-16 Alsthom Cge Alcatel Fibre optique pour amplificateur optique a gain plat
US6243522B1 (en) * 1998-12-21 2001-06-05 Corning Incorporated Photonic crystal fiber
FR2789177B1 (fr) * 1999-01-28 2001-03-30 Cit Alcatel Procede pour determiner, par reflectometrie, une caracteristique d'une fibre optique
US6078716A (en) * 1999-03-23 2000-06-20 E-Tek Dynamics, Inc. Thermally expanded multiple core fiber
EP1175714B1 (fr) 1999-04-30 2009-01-07 SPI Lasers UK Limited Procede de fabrication d'un dispositif d'amplification a fibre optique
US6334017B1 (en) * 1999-10-26 2001-12-25 Corning Inc Ring photonic crystal fibers
DE60138935D1 (de) * 2000-02-23 2009-07-23 Fujitsu Ltd Optischer Verstärker
JP4211194B2 (ja) * 2000-05-15 2009-01-21 住友電気工業株式会社 光ファイバ
US6606440B2 (en) 2000-05-15 2003-08-12 Sumitomo Electric Industries, Ltd. Microstructured optical fiber
US6445862B1 (en) * 2000-06-20 2002-09-03 Corning Incorporated Dispersion compensating photonic crystal fiber
CA2355819A1 (fr) * 2000-08-28 2002-02-28 Sumitomo Electric Industries, Ltd. Fibre optique, methode de fabrication d'une preforme, et methode de fabrication de la fibre optique
US6847769B1 (en) * 2000-12-15 2005-01-25 Nortel Networks Limited Optical fiber amplifier
WO2003017440A2 (fr) * 2001-08-13 2003-02-27 Ram Oron Systeme d'amplification optique
JP2003198013A (ja) * 2001-10-19 2003-07-11 Toshiba Corp ファイバレーザ装置およびその光合分波器と映像表示装置
US6711333B2 (en) * 2002-04-19 2004-03-23 Corning Incorporated Wideband, multi-core dispersion compensation fiber
US7107795B2 (en) * 2003-02-11 2006-09-19 Cheo Peter K Method for forming high-density multicore phase-locked fiber laser array
JP2005019539A (ja) * 2003-06-24 2005-01-20 Fujikura Ltd 希土類添加ファイバおよびこれを用いた光ファイバレーザ
US7046902B2 (en) * 2003-09-30 2006-05-16 Coractive High-Tech Inc. Large mode field diameter optical fiber
US7280730B2 (en) 2004-01-16 2007-10-09 Imra America, Inc. Large core holey fibers
US7209619B2 (en) * 2004-12-30 2007-04-24 Imra America, Inc. Photonic bandgap fibers
JPWO2006109730A1 (ja) * 2005-04-07 2008-11-20 松下電器産業株式会社 レーザ光源及び光学装置
US7787729B2 (en) * 2005-05-20 2010-08-31 Imra America, Inc. Single mode propagation in fibers and rods with large leakage channels
JP5662151B2 (ja) * 2007-09-26 2015-01-28 イムラ アメリカ インコーポレイテッド ガラス大コア光ファイバ
GB2457946B (en) * 2008-02-29 2011-11-16 Sumitomo Electric Industries Method of manufacturing photonic bandgap fibre
GB2457947B (en) * 2008-02-29 2012-10-17 Sumitomo Electric Industries All solid photonic bandgap fibre
EP2545400B1 (fr) * 2010-03-10 2017-12-06 Ofs Fitel Llc, A Delaware Limited Liability Company Fibres à coeurs multiples et structures et techniques associées
EP2548056B1 (fr) * 2010-03-16 2021-05-05 OFS Fitel, LLC Fibres de transmission et d'amplification multicoeur, et schemas pour le lancement d'une lumiere de pompage vers les coeurs d'un amplificateur
WO2012029721A1 (fr) 2010-08-30 2012-03-08 住友電気工業株式会社 Fibre optique multicœur
US8903211B2 (en) * 2011-03-16 2014-12-02 Ofs Fitel, Llc Pump-combining systems and techniques for multicore fiber transmissions
EP2722697A4 (fr) 2011-06-16 2015-06-24 Furukawa Electric Co Ltd Structure de couplage optique et amplificateur à fibre optique
JP5819682B2 (ja) * 2011-09-05 2015-11-24 株式会社フジクラ 通信用マルチコアファイバ
JP5862131B2 (ja) * 2011-09-09 2016-02-16 富士通株式会社 光増幅装置
KR20130074517A (ko) * 2011-12-26 2013-07-04 한국전자통신연구원 멀티 코어 광섬유, 멀티 코어 광섬유용 파장 분할 다중화 커플러, 및 멀티 코어 광섬유 증폭기
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
US8867125B2 (en) * 2012-08-24 2014-10-21 Alcatel Lucent Multi-mode optical fiber amplifier
US9077148B2 (en) * 2013-09-18 2015-07-07 Ofs Fitel, Llc Gain-equalized few-mode fiber amplifier
US9362708B2 (en) * 2013-09-20 2016-06-07 Alcatel Lucent Compact two-stage optical amplifier
US20150085352A1 (en) * 2013-09-20 2015-03-26 Alcatel-Lucent Usa Inc. Optical amplifier for space-division multiplexing
JP6287179B2 (ja) * 2013-12-25 2018-03-07 住友電気工業株式会社 マルチコア光ファイバ及びマルチコア光ファイバコネクタの製造方法
EP3254145A4 (fr) 2015-02-05 2018-11-07 Coractive High-Tech Inc. Procédé de fabrication d'un élément optique ayant une surface texturée et élément optique ayant une surface texturée
JP6796142B2 (ja) 2016-04-06 2020-12-02 テラダイオード， インコーポレーテッド 可変レーザビームプロファイルのための光ファイバ構造および方法
US10224691B2 (en) 2016-12-02 2019-03-05 TeraDiode, Inc. Laser systems utilizing fiber bundles for power delivery and beam switching
FR3068486B1 (fr) * 2017-07-03 2021-10-15 Centre Nat Rech Scient Fibre amplificatrice legerement multimode
CN111517637B (zh) * 2020-05-22 2021-04-27 长飞光纤光缆股份有限公司 掺稀土多芯光纤、光纤预制棒及其制备方法和应用
CN113156574B (zh) * 2021-04-16 2023-06-16 华中科技大学 一种多参数优化的轨道角动量掺铒光纤

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JPH06216441A (ja) * 1993-01-20 1994-08-05 Hitachi Cable Ltd 光増幅器用ファイバ及び増幅器
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JP2816097B2 (ja) * 1994-07-27 1998-10-27 日立電線株式会社 希土類元素添加マルチコア光ファイバ、その製造方法、およびその光ファイバを利用した光増幅器
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JP3439892B2 (ja) * 1995-12-11 2003-08-25 日立電線株式会社 希土類元素添加マルチコアファイバ及びその製造方法

Also Published As

Publication number Publication date
GB2310506B (en) 2000-10-25
FR2745392A1 (fr) 1997-08-29
CA2182830C (fr) 2002-06-18
GB9616600D0 (en) 1996-09-25
US5742722A (en) 1998-04-21
CA2182830A1 (fr) 1997-08-23
US5703987A (en) 1997-12-30
GB2310506A (en) 1997-08-27

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