JPH0453823B2 - - Google Patents
Info
- Publication number
- JPH0453823B2 JPH0453823B2 JP62052089A JP5208987A JPH0453823B2 JP H0453823 B2 JPH0453823 B2 JP H0453823B2 JP 62052089 A JP62052089 A JP 62052089A JP 5208987 A JP5208987 A JP 5208987A JP H0453823 B2 JPH0453823 B2 JP H0453823B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- cladding
- sio
- heating
- glass body
- 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 63
- 238000005253 cladding Methods 0.000 claims description 49
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 29
- 239000004071 soot Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 22
- 229910005793 GeO 2 Inorganic materials 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000011282 treatment Methods 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- 208000005156 Dehydration Diseases 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000010419 fine particle Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 230000002194 synthesizing effect Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 description 30
- 230000005540 biological transmission Effects 0.000 description 17
- 239000006185 dispersion Substances 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910003902 SiCl 4 Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical class Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005274 electronic transitions Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000011276 addition treatment Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62052089A JPS63222042A (ja) | 1987-03-09 | 1987-03-09 | 光フアイバ用母材及びその製造方法 |
| KR1019870005307A KR900003449B1 (ko) | 1986-06-11 | 1987-05-28 | 분산 시프트싱글모우드 광파이버 및 그 제조방법 |
| US07/060,176 US4822399A (en) | 1986-06-11 | 1987-06-10 | Glass preform for dispersion shifted single mode optical fiber and method for the production of the same |
| CA000539353A CA1294438C (en) | 1986-06-11 | 1987-06-10 | Glass preform for dispersion shifted single mode optical fiber and method for the production of the same |
| EP87108453A EP0249230B1 (en) | 1986-06-11 | 1987-06-11 | Glass preform for dispersion shifted single mode optical fiber and method for the production of the same |
| DE8787108453T DE3762609D1 (de) | 1986-06-11 | 1987-06-11 | Glas-vorform fuer eine dispersionsverschobene optische einzelmodenfaser und verfahren zu deren herstellung. |
| AU74131/87A AU592875B2 (en) | 1986-06-11 | 1987-06-11 | Glass preform for dispersion shifted single mode optical fiber and method for the production of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62052089A JPS63222042A (ja) | 1987-03-09 | 1987-03-09 | 光フアイバ用母材及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63222042A JPS63222042A (ja) | 1988-09-14 |
| JPH0453823B2 true JPH0453823B2 (en]) | 1992-08-27 |
Family
ID=12905101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62052089A Granted JPS63222042A (ja) | 1986-06-11 | 1987-03-09 | 光フアイバ用母材及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63222042A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5940567A (en) * | 1998-02-20 | 1999-08-17 | Photon-X, Inc. | Optical fibers having an inner core and an outer core |
| US20090041415A1 (en) * | 2006-04-05 | 2009-02-12 | Nippon Telegraph And Telephone Corporation | Double-core optical fiber |
-
1987
- 1987-03-09 JP JP62052089A patent/JPS63222042A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63222042A (ja) | 1988-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |