JPH0425216B2 - - Google Patents

Info

Publication number
JPH0425216B2
JPH0425216B2 JP59031488A JP3148884A JPH0425216B2 JP H0425216 B2 JPH0425216 B2 JP H0425216B2 JP 59031488 A JP59031488 A JP 59031488A JP 3148884 A JP3148884 A JP 3148884A JP H0425216 B2 JPH0425216 B2 JP H0425216B2
Authority
JP
Japan
Prior art keywords
tube
quartz tube
layer
glass
ellipticity
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
Application number
JP59031488A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60176940A (ja
Inventor
Hiroshi Yokota
Toshio Danzuka
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP59031488A priority Critical patent/JPS60176940A/ja
Publication of JPS60176940A publication Critical patent/JPS60176940A/ja
Publication of JPH0425216B2 publication Critical patent/JPH0425216B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma- or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP59031488A 1984-02-23 1984-02-23 定偏波フアイバの製造方法 Granted JPS60176940A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59031488A JPS60176940A (ja) 1984-02-23 1984-02-23 定偏波フアイバの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59031488A JPS60176940A (ja) 1984-02-23 1984-02-23 定偏波フアイバの製造方法

Publications (2)

Publication Number Publication Date
JPS60176940A JPS60176940A (ja) 1985-09-11
JPH0425216B2 true JPH0425216B2 (cs) 1992-04-30

Family

ID=12332651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59031488A Granted JPS60176940A (ja) 1984-02-23 1984-02-23 定偏波フアイバの製造方法

Country Status (1)

Country Link
JP (1) JPS60176940A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114044627A (zh) * 2021-12-10 2022-02-15 中国电子科技集团公司第四十六研究所 一种预防掺稀土离子光纤预制棒芯部元素挥发的方法

Also Published As

Publication number Publication date
JPS60176940A (ja) 1985-09-11

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