JPS575004A - Manufacture of single ionic crystalline optical fiber - Google Patents

Manufacture of single ionic crystalline optical fiber

Info

Publication number
JPS575004A
JPS575004A JP7948480A JP7948480A JPS575004A JP S575004 A JPS575004 A JP S575004A JP 7948480 A JP7948480 A JP 7948480A JP 7948480 A JP7948480 A JP 7948480A JP S575004 A JPS575004 A JP S575004A
Authority
JP
Japan
Prior art keywords
preform
optical fiber
manufacture
barrel
tip
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
JP7948480A
Other languages
Japanese (ja)
Inventor
Takao Shioda
Osamu Fukuda
Kazuo Sanada
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.)
Fujikura Ltd
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP7948480A priority Critical patent/JPS575004A/en
Publication of JPS575004A publication Critical patent/JPS575004A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

PURPOSE:To make the manufacture of a long-sized fiber economical and the composition uniform by forming a polycrystalline preform of ionic crystals, melting the tip minute part of the preform to grow a single crystal, and manufacturing an optical fiber. CONSTITUTION:A barrel 11 is filled with powdered ionic crystals 12 of alkali metallic halide or the like, and by pressing the crystals 12 with a ram 14 while heating the barrel 11 with a heater 13, a polycrystalline preform 16 is formed in a cylinder 15. At this time, the ionic crystals are kept at a temp. slightly below the m.p. in the vicinity of the outlet of the barrel 11. The cylinder 15 is then connected to a mouthpiece member 21, the preform 16 is pressed with a ram 23 while heating the member 21 with a heater 22, and a single crystalline optical fiber 24 is drawn from the tip of the member 21. At this time, the ionic crystals are kept at a temp. above the m.p. only in the vicinity of the tip of the member 21.
JP7948480A 1980-06-12 1980-06-12 Manufacture of single ionic crystalline optical fiber Pending JPS575004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7948480A JPS575004A (en) 1980-06-12 1980-06-12 Manufacture of single ionic crystalline optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7948480A JPS575004A (en) 1980-06-12 1980-06-12 Manufacture of single ionic crystalline optical fiber

Publications (1)

Publication Number Publication Date
JPS575004A true JPS575004A (en) 1982-01-11

Family

ID=13691163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7948480A Pending JPS575004A (en) 1980-06-12 1980-06-12 Manufacture of single ionic crystalline optical fiber

Country Status (1)

Country Link
JP (1) JPS575004A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01154839A (en) * 1987-12-11 1989-06-16 Showa Lock Kk Manufacture of magnetic pin for card reader
JPH01209407A (en) * 1988-02-17 1989-08-23 Matsushita Electric Ind Co Ltd Infrared-light optical fiber
KR20200060674A (en) 2018-11-21 2020-06-01 성균관대학교산학협력단 NEW TWO-DIMENSIONAL MATERIAL FOR SUPERCONDUCTOR KZnBi AND MANUFACTURING METHOD OF SAME

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01154839A (en) * 1987-12-11 1989-06-16 Showa Lock Kk Manufacture of magnetic pin for card reader
JPH01209407A (en) * 1988-02-17 1989-08-23 Matsushita Electric Ind Co Ltd Infrared-light optical fiber
KR20200060674A (en) 2018-11-21 2020-06-01 성균관대학교산학협력단 NEW TWO-DIMENSIONAL MATERIAL FOR SUPERCONDUCTOR KZnBi AND MANUFACTURING METHOD OF SAME

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