JPH0577618B2 - - Google Patents
Info
- Publication number
- JPH0577618B2 JPH0577618B2 JP9028553A JP2855390A JPH0577618B2 JP H0577618 B2 JPH0577618 B2 JP H0577618B2 JP 9028553 A JP9028553 A JP 9028553A JP 2855390 A JP2855390 A JP 2855390A JP H0577618 B2 JPH0577618 B2 JP H0577618B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- ellipticity
- glass
- core
- tube
- 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
Links
- 239000011521 glass Substances 0.000 claims description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 33
- 239000013307 optical fiber Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 118
- 239000011162 core material Substances 0.000 description 39
- 239000010453 quartz Substances 0.000 description 22
- 238000005253 cladding Methods 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 10
- 238000005229 chemical vapour deposition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910005793 GeO 2 Inorganic materials 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2855390A JPH02239129A (ja) | 1981-07-20 | 1990-02-09 | 光ファイバ母材の製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56112137A JPS5815041A (ja) | 1981-07-20 | 1981-07-20 | 光ファイバの製造方法 |
| JP2855390A JPH02239129A (ja) | 1981-07-20 | 1990-02-09 | 光ファイバ母材の製造方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56112137A Division JPS5815041A (ja) | 1981-05-29 | 1981-07-20 | 光ファイバの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02239129A JPH02239129A (ja) | 1990-09-21 |
| JPH0577618B2 true JPH0577618B2 (de) | 1993-10-27 |
Family
ID=26366681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2855390A Granted JPH02239129A (ja) | 1981-07-20 | 1990-02-09 | 光ファイバ母材の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02239129A (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669235A (en) * | 1979-11-09 | 1981-06-10 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of optical fiber |
| JPS56125233A (en) * | 1980-03-07 | 1981-10-01 | Hitachi Ltd | Manufacture of optical fiber |
| JPS5815041A (ja) * | 1981-07-20 | 1983-01-28 | Hitachi Ltd | 光ファイバの製造方法 |
-
1990
- 1990-02-09 JP JP2855390A patent/JPH02239129A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669235A (en) * | 1979-11-09 | 1981-06-10 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of optical fiber |
| JPS56125233A (en) * | 1980-03-07 | 1981-10-01 | Hitachi Ltd | Manufacture of optical fiber |
| JPS5815041A (ja) * | 1981-07-20 | 1983-01-28 | Hitachi Ltd | 光ファイバの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02239129A (ja) | 1990-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4426129A (en) | Optical fiber and method of producing the same | |
| US4529426A (en) | Method of fabricating high birefringence fibers | |
| US4274854A (en) | Polarization-preserving optical fiber | |
| US4478489A (en) | Polarization retaining single-mode optical waveguide | |
| US3737292A (en) | Method of forming optical waveguide fibers | |
| US4561871A (en) | Method of making polarization preserving optical fiber | |
| US5482525A (en) | Method of producing elliptic core type polarization-maintaining optical fiber | |
| US4184859A (en) | Method of fabricating an elliptical core single mode fiber | |
| US4415230A (en) | Polarization retaining single-mode optical waveguide | |
| US4360371A (en) | Method of making polarization retaining single-mode optical waveguide | |
| EP0061901B1 (de) | Optische Wellenleiterfaser und Verfahren zur Herstellung und Vorformung einer optischen Wellenleiterfaser | |
| JPS5843336B2 (ja) | クラッド型光ガラスファイバの製造方法 | |
| US4834786A (en) | Method of manufacturing a preform for asymmetrical optical fiber | |
| EP0067017B1 (de) | Die Polarisationsebene beibehaltende optische Faser und Verfahren zu ihrer Herstellung | |
| USRE28029E (en) | Method of forming optical waveguide fibers | |
| JPH0243690B2 (de) | ||
| JPH0577618B2 (de) | ||
| JP3491642B2 (ja) | 光ファイバ母材、光ファイバおよびこれらの製造方法 | |
| JPS6350291B2 (de) | ||
| JPS6150887B2 (de) | ||
| JPH0557215B2 (de) | ||
| JPS58135141A (ja) | 単一偏波光フアイバの製造方法 | |
| CA1202507A (en) | Polarization retaining single-mode optical fibers and methods of making | |
| JPH0930824A (ja) | 偏波保持光ファイバの製造方法及び偏波保持光ファイバ | |
| JPH01148723A (ja) | 定偏波フアイバの製造方法 |