JPS6216904U - - Google Patents

Info

Publication number
JPS6216904U
JPS6216904U JP1986106862U JP10686286U JPS6216904U JP S6216904 U JPS6216904 U JP S6216904U JP 1986106862 U JP1986106862 U JP 1986106862U JP 10686286 U JP10686286 U JP 10686286U JP S6216904 U JPS6216904 U JP S6216904U
Authority
JP
Japan
Prior art keywords
core
coefficient
thermal expansion
refractive index
component
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.)
Pending
Application number
JP1986106862U
Other languages
English (en)
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 filed Critical
Publication of JPS6216904U publication Critical patent/JPS6216904U/ja
Pending 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
    • G02B6/028—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
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems
    • 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
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • 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
    • 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
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/225—Matching coefficients of thermal expansion [CTE] 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
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/80—Feeding the burner or the burner-heated deposition site
    • C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
    • C03B2207/86—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid by bubbling a gas through the liquid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Integrated Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の光導波路を作成しうる光導波
路プリフオームを製造する方法の一例を説明する
ための図、第２図は光導波路プリフオームにおけ
る軸線方向応力の半径方向変化を示す図、第３図
は光導波路プリフオームにおける半径方向座標に
関する周囲方向応力の変化を示す図、第４図は光
導波路プリフオームにおける軸線方向および周囲
方向応力の分布を示す図、第５図は軸線方向応力
をクラツドの膨張係数の関数として示す図である
。 図面において、１０はガラス層、１１は出発部
材（ベイト・ロツド）、１２はバーナー、１４は
炎、１５，１６，１７は容器、１８，１９，２０
は液体成分、２４，２６，２７は弁、２５，２８
，２９はゲージをそれぞれ示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. シリコン化合物とドーパントを含む少なくとも
    ３つの成分を有するグレーデツド・インデツクス
    型コアと、このコアの周囲に設けられそれよりも
    屈折率の低いクラツド層を具備しており、前記コ
    アの第１の成分はそれの濃度の変化に応じて屈折
    率と熱膨張係数が変化するガラスを生ずるドーパ
    ントであり、前記コアの第２の成分はそれの濃度
    の変化に応じて熱膨張係数に半径方向の変化を生
    じさせるドーパンであり、その熱膨張係数はコア
    の半径方向全体にわたつて実質的に一定であり、
    前記クラツド層は屈折率には実質的に変化を生じ
    ないがクラツドの熱膨張係数をコアの複合熱膨張
    係数にほぼ等しくなるまで増大させる成分を含有
    しており、膨張係数の異なるクラツドによつて惹
    記されるコア内の残留応力が圧縮である光導波路
    。
JP1986106862U 1977-09-29 1986-07-14 Pending JPS6216904U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83792777A 1977-09-29 1977-09-29

Publications (1)

Publication Number Publication Date
JPS6216904U true JPS6216904U (ja) 1987-01-31

Family

ID=25275810

Family Applications (2)

Application Number Title Priority Date Filing Date
JP11985378A Pending JPS5464134A (en) 1977-09-29 1978-09-28 Production of wave guide
JP1986106862U Pending JPS6216904U (ja) 1977-09-29 1986-07-14

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP11985378A Pending JPS5464134A (en) 1977-09-29 1978-09-28 Production of wave guide

Country Status (9)

Country Link
JP (2) JPS5464134A (ja)
AT (1) AT388725B (ja)
BR (1) BR7805597A (ja)
CA (1) CA1117334A (ja)
DE (1) DE2841909B2 (ja)
FR (1) FR2404864A1 (ja)
GB (1) GB2004863B (ja)
IT (1) IT1099618B (ja)
NL (1) NL174137C (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314837A (en) * 1979-03-01 1982-02-09 Corning Glass Works Reactant delivery system method
US4344670A (en) * 1980-05-01 1982-08-17 Corning Glass Works Optical waveguide soot preform with reduced inner layer stress and method of making
US5483613A (en) * 1994-08-16 1996-01-09 At&T Corp. Optical device with substrate and waveguide structure having thermal matching interfaces
DE102011109838A1 (de) 2011-05-27 2012-11-29 J-Plasma Gmbh Lichtleitfaser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110341A (ja) * 1974-02-07 1975-08-30
JPS5288349A (en) * 1976-01-20 1977-07-23 Nippon Selfoc Co Ltd Optical fiber for communication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339173A (en) * 1975-09-08 1982-07-13 Corning Glass Works Optical waveguide containing P2 O5 and GeO2
DE2615534C3 (de) * 1976-04-09 1978-10-05 Jenaer Glaswerk Schott & Gen., 6500 Mainz Für die Nachrichtenübertragung geeignete Lichtleitfaser mit Gradientenprofil aus Mehrkomponentengläsern mit angepaßtem Ausdehnungskoeffizienten zwischen Glaskern und Glasmantel sowie Verfahren zu ihrer Herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50110341A (ja) * 1974-02-07 1975-08-30
JPS5288349A (en) * 1976-01-20 1977-07-23 Nippon Selfoc Co Ltd Optical fiber for communication

Also Published As

Publication number Publication date
DE2841909A1 (de) 1979-04-05
JPS5464134A (en) 1979-05-23
NL7809849A (nl) 1979-04-02
NL174137C (nl) 1987-05-18
NL174137B (nl) 1983-12-01
ATA701778A (de) 1986-08-15
AT388725B (de) 1989-08-25
FR2404864A1 (fr) 1979-04-27
GB2004863A (en) 1979-04-11
CA1117334A (en) 1982-02-02
DE2841909B2 (de) 1981-04-23
GB2004863B (en) 1982-05-26
FR2404864B1 (ja) 1984-04-06
BR7805597A (pt) 1979-06-05
IT1099618B (it) 1985-09-18
IT7828261A0 (it) 1978-09-29

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