JPS5688835A - Preparation of porous preform for optical fiber - Google Patents
Preparation of porous preform for optical fiberInfo
- Publication number
- JPS5688835A JPS5688835A JP16345779A JP16345779A JPS5688835A JP S5688835 A JPS5688835 A JP S5688835A JP 16345779 A JP16345779 A JP 16345779A JP 16345779 A JP16345779 A JP 16345779A JP S5688835 A JPS5688835 A JP S5688835A
- Authority
- JP
- Japan
- Prior art keywords
- porous preform
- raw materials
- gas
- glass powder
- liquid mixture
- 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
Abstract
PURPOSE:To prepare a porous preform having precise composition, at a high rate of production, without using an electronic thermostatic chamber, by supplying a liquid mixture of two or more glass-forming raw materials to a fine glass powder synthesizing torch furnished with a vaporizing chamber heated above the highest boiling point of the raw materials. CONSTITUTION:A liquid mixture composed of e.g. 90mol% of SiCl4 and 10mol% of GeCl4 stored in a liquid reservoir 14 is introduced into the vaporizing chamber 13 of a fine glass powder synthesizing torch 11 through a liquid pump 15 and a pipe 16. The vaporizing chamber 13 and the center nozzle 17 are heated at 120 deg.C (higher than the boiling point of SiCl4 and GeCl4, i.e. 57.6 deg.C and 84 deg.C) with a heater 12. The liquid mixture is evaporated instantaneously, blown off through the center nozzle 17 to form a flame 18 together with Ar gas, H2 gas and O2 gas, and decomposed to fine glass powder by flame hydrolysis reaction forming a porous preform on the starting member. Since the raw materials are mixed homogeneously together in advance, the fluctuation of the composition is eliminated, and a porous preform can be prepared at a high rate without using an expensive electronic thermostatic chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16345779A JPS5688835A (en) | 1979-12-18 | 1979-12-18 | Preparation of porous preform for optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16345779A JPS5688835A (en) | 1979-12-18 | 1979-12-18 | Preparation of porous preform for optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5688835A true JPS5688835A (en) | 1981-07-18 |
Family
ID=15774240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16345779A Pending JPS5688835A (en) | 1979-12-18 | 1979-12-18 | Preparation of porous preform for optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5688835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110335A (en) * | 1990-06-25 | 1992-05-05 | At&T Bell Laboratories | Method of glass soot deposition using ultrasonic nozzle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523067A (en) * | 1978-08-07 | 1980-02-19 | Nippon Telegr & Teleph Corp <Ntt> | Forming method for oxide powder layer for optical fiber |
-
1979
- 1979-12-18 JP JP16345779A patent/JPS5688835A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523067A (en) * | 1978-08-07 | 1980-02-19 | Nippon Telegr & Teleph Corp <Ntt> | Forming method for oxide powder layer for optical fiber |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110335A (en) * | 1990-06-25 | 1992-05-05 | At&T Bell Laboratories | Method of glass soot deposition using ultrasonic nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5688835A (en) | Preparation of porous preform for optical fiber | |
| JPS57183331A (en) | Manufacturing of transparent glass preform | |
| JPS5727934A (en) | Manufacture of base material for optical fiber | |
| JPS5650134A (en) | Manufacture of multicomponent type glass fiber base material | |
| JPS55154336A (en) | Manufacture of optical fiber raw material | |
| JPS54142317A (en) | Production of optical fibers | |
| JPS5734034A (en) | Dehydration treatment of porous preform for optical fiber | |
| JPS5722136A (en) | Preparation of optical fiber preform | |
| JPS57149833A (en) | Manufacture of quartz glass product | |
| JPS5523074A (en) | Production of fiber base material for light communication | |
| JPS5767046A (en) | Manufacture of glass base material for laser | |
| JPS5523068A (en) | Forming method for oxide powder layer for optical fiber | |
| JPS5711839A (en) | Preparation of base material for optical fiber | |
| JPS5650130A (en) | Manufacture of preform for optical transmission | |
| JPS557538A (en) | Production of soot-form glass rod | |
| CA2050801A1 (en) | Method for producing glass article | |
| JPS57183330A (en) | Production of basic material for optical-communication glass fiber | |
| JPS57170834A (en) | Manufacture of base material for glass fiber | |
| JPS5654244A (en) | Preparation of optical fiber matrix | |
| JPS5480140A (en) | Production of glass stock for optical transmission wires | |
| JPS55113635A (en) | Manufacture of glass fiber base material | |
| JPS5547237A (en) | Production of glass base material for optical fiber | |
| JPS5626739A (en) | Manufacture of optical fiber base material | |
| JPS5641845A (en) | Manufacture of optical fiber base material | |
| JPS5595638A (en) | Production of glass soot block |