JPH0239456B2 - - Google Patents

Info

Publication number
JPH0239456B2
JPH0239456B2 JP56132578A JP13257881A JPH0239456B2 JP H0239456 B2 JPH0239456 B2 JP H0239456B2 JP 56132578 A JP56132578 A JP 56132578A JP 13257881 A JP13257881 A JP 13257881A JP H0239456 B2 JPH0239456 B2 JP H0239456B2
Authority
JP
Japan
Prior art keywords
base material
stress
optical fiber
applying
light
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
JP56132578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5836941A (ja
Inventor
Yutaka Sasaki
Tetsuo Mya
Masao Kawachi
Katsunari Okamoto
Takao Edahiro
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP56132578A priority Critical patent/JPS5836941A/ja
Publication of JPS5836941A publication Critical patent/JPS5836941A/ja
Publication of JPH0239456B2 publication Critical patent/JPH0239456B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C03B2203/31Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres by use of stress-imparting rods, e.g. by insertion

Landscapes

  • Engineering & Computer Science (AREA)
  • 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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
JP56132578A 1981-08-26 1981-08-26 内部応力複屈折性単一偏波保持光フアイバの製造方法 Granted JPS5836941A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56132578A JPS5836941A (ja) 1981-08-26 1981-08-26 内部応力複屈折性単一偏波保持光フアイバの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56132578A JPS5836941A (ja) 1981-08-26 1981-08-26 内部応力複屈折性単一偏波保持光フアイバの製造方法

Publications (2)

Publication Number Publication Date
JPS5836941A JPS5836941A (ja) 1983-03-04
JPH0239456B2 true JPH0239456B2 (en]) 1990-09-05

Family

ID=15084594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56132578A Granted JPS5836941A (ja) 1981-08-26 1981-08-26 内部応力複屈折性単一偏波保持光フアイバの製造方法

Country Status (1)

Country Link
JP (1) JPS5836941A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561871A (en) * 1983-12-27 1985-12-31 Corning Glass Works Method of making polarization preserving optical fiber
AU639125B2 (en) * 1990-08-09 1993-07-15 Sumitomo Electric Industries, Ltd. Method for producing preform for polarization retaining optical fiber
US5152818A (en) * 1990-11-09 1992-10-06 Corning Incorporated Method of making polarization retaining fiber

Also Published As

Publication number Publication date
JPS5836941A (ja) 1983-03-04

Similar Documents

Publication Publication Date Title
US4447127A (en) Low loss single mode fiber
Becker et al. Erbium-doped fiber amplifiers: fundamentals and technology
US4515436A (en) Single-mode single-polarization optical fiber
Cohen et al. Effect of temperature on transmission in lightguides
US7289687B2 (en) Polarization-maintaining optical fiber
US7406236B2 (en) Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same
JPH11223734A (ja) クラッディング励起ファイバの構造
JP2830617B2 (ja) 希土類元素添加マルチコアファイバ及びその製造方法
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
EP0610973B1 (en) Optical fiber coupler
RU2003100093A (ru) Одномодовое оптическое волокно и способ изготовления одномодового оптического волокна
US6445855B1 (en) Method of fabricating fused and tapered couplers from optical fibers having photosensitive cladding regions
JPH0239456B2 (en])
EP1533634B1 (en) Optical fiber, optical fiber coupler including the same, erbium loaded optical fiber amplifier and light guide
RU2155166C2 (ru) Способ получения одномодового волоконного световода, сохраняющего поляризацию излучения
JP3640943B2 (ja) フォトニッククリスタルファイバ
JPS6328857B2 (en])
Likhachev et al. Optical losses in single-mode and multimode fibres heavily doped with GeO2 and P2O5
JP2805533B2 (ja) ファイバ融着型光分岐結合器
JP2828276B2 (ja) 偏波保持形光ファイバカプラの製造方法
JPH0612364B2 (ja) 偏波保持光フアイバ用応力付与母材
JPH0212887B2 (en])
JPS61107324A (ja) 光フアイバおよび光増幅方法
JPH0221563B2 (en])
JPS6367168B2 (en])