JPH0425216B2 - - Google Patents
Info
- Publication number
- JPH0425216B2 JPH0425216B2 JP59031488A JP3148884A JPH0425216B2 JP H0425216 B2 JPH0425216 B2 JP H0425216B2 JP 59031488 A JP59031488 A JP 59031488A JP 3148884 A JP3148884 A JP 3148884A JP H0425216 B2 JPH0425216 B2 JP H0425216B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- quartz tube
- layer
- glass
- ellipticity
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000010410 layer Substances 0.000 claims description 32
- 239000010453 quartz Substances 0.000 claims description 28
- 239000000835 fiber Substances 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000012792 core layer Substances 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000010287 polarization Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 23
- 230000008646 thermal stress Effects 0.000 description 13
- 229910004298 SiO 2 Inorganic materials 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
- 229910005793 GeO 2 Inorganic materials 0.000 description 3
- 229910003902 SiCl 4 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General 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)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031488A JPS60176940A (ja) | 1984-02-23 | 1984-02-23 | 定偏波フアイバの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031488A JPS60176940A (ja) | 1984-02-23 | 1984-02-23 | 定偏波フアイバの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60176940A JPS60176940A (ja) | 1985-09-11 |
| JPH0425216B2 true JPH0425216B2 (enrdf_load_stackoverflow) | 1992-04-30 |
Family
ID=12332651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59031488A Granted JPS60176940A (ja) | 1984-02-23 | 1984-02-23 | 定偏波フアイバの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176940A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044627A (zh) * | 2021-12-10 | 2022-02-15 | 中国电子科技集团公司第四十六研究所 | 一种预防掺稀土离子光纤预制棒芯部元素挥发的方法 |
-
1984
- 1984-02-23 JP JP59031488A patent/JPS60176940A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60176940A (ja) | 1985-09-11 |