JPS6418931A - Production of glass preform for optical fiber - Google Patents
Production of glass preform for optical fiberInfo
- Publication number
- JPS6418931A JPS6418931A JP17293587A JP17293587A JPS6418931A JP S6418931 A JPS6418931 A JP S6418931A JP 17293587 A JP17293587 A JP 17293587A JP 17293587 A JP17293587 A JP 17293587A JP S6418931 A JPS6418931 A JP S6418931A
- Authority
- JP
- Japan
- Prior art keywords
- glass layer
- glass
- corresponding part
- refractive index
- core corresponding
- 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
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]
- C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal 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)
Abstract
PURPOSE:To obtain a glass perform providing glass fiber having excellent flexural properties, by setting a glass layer having a smaller refractive index than that of a core corresponding part on the outer periphery of the core corresponding part and laying a glass layer having a larger refractive index than that of the glass layer on the outside of the glass layer. CONSTITUTION:Fine glass particles are deposited on the periphery of a central member of a core corresponding part comprising quartz glass by flame hydrolysis method, the resulting material is dehydrated, sintered and drawn to form a transparent glass layer having a small refractive index than that of the core corresponding part. Then a transparent glass layer having a larger refractive index than that of the transparent glass layer by the same method as that of the first process on the periphery of the transparent glass layer obtained by the first process. Optionally the second process is repeatedly carried out and a clad corresponding part is formed to give the aimed glass perform for optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17293587A JPS6418931A (en) | 1987-07-13 | 1987-07-13 | Production of glass preform for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17293587A JPS6418931A (en) | 1987-07-13 | 1987-07-13 | Production of glass preform for optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6418931A true JPS6418931A (en) | 1989-01-23 |
Family
ID=15951078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17293587A Pending JPS6418931A (en) | 1987-07-13 | 1987-07-13 | Production of glass preform for optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418931A (en) |
-
1987
- 1987-07-13 JP JP17293587A patent/JPS6418931A/en active Pending
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