DE2632689A1 - Optischer wellenleiter - Google Patents
Optischer wellenleiterInfo
- Publication number
- DE2632689A1 DE2632689A1 DE19762632689 DE2632689A DE2632689A1 DE 2632689 A1 DE2632689 A1 DE 2632689A1 DE 19762632689 DE19762632689 DE 19762632689 DE 2632689 A DE2632689 A DE 2632689A DE 2632689 A1 DE2632689 A1 DE 2632689A1
- Authority
- DE
- Germany
- Prior art keywords
- glass
- core
- cladding
- refractive index
- geo
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title description 15
- 239000004020 conductor Substances 0.000 title description 2
- 239000011521 glass Substances 0.000 claims description 104
- 238000005253 cladding Methods 0.000 claims description 41
- 239000000835 fiber Substances 0.000 claims description 37
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 33
- 239000013307 optical fiber Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 239000011162 core material Substances 0.000 description 62
- 229910005793 GeO 2 Inorganic materials 0.000 description 37
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 239000002245 particle Substances 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000007062 hydrolysis Effects 0.000 description 9
- 238000006460 hydrolysis reaction Methods 0.000 description 9
- 239000004071 soot Substances 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 8
- 238000007596 consolidation process Methods 0.000 description 7
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 5
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000005388 borosilicate glass Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000005368 silicate glass Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/048—Silica-free oxide glass compositions
-
- 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]
-
- 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]
- C03B37/01413—Reactant delivery systems
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/225—Matching coefficients of thermal expansion [CTE] of glass layers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/24—Single mode [SM or monomode]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/26—Parabolic or graded index [GRIN] core profile
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/46—Comprising performance enhancing means, e.g. electrostatic charge or built-in heater
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/50—Multiple burner arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Glass Compositions (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
in Gew. %
AB
AC
AG
AH
AI
AJ
AK
AL
AN
82,7
78,6
0
0
0,012 | - | 660 |
0,020 | 0,008 | 690 |
0,024 | 0,008 | 715 |
- | 0,009 | 925 |
- | 0,015 | 930 |
0,011 | 1040 | |
0,008 | 817 | |
0,012 | 822 | |
0,012 | 875 | |
890 | ||
863 | ||
830 | ||
843 | ||
900 |
Glas | Zusammen setzung in Gew. % GeO2 SiO2 |
43,2 | 33,2 | Brechungs index η |
Brechungs index η1 |
Δη | Erweichungs temperatur C |
Kühltemperatur | |
AO | 23,6 | 45,4 | 24,2 | 1,533 | 1,518 | 0,015 | - | 762 | |
AP | 30,4 | 45,5 | 17,9 | 1,528 | 1,515 | 0,013 | 878 | 725 | |
AQ | 36,6 | 46,3 46,6 |
10,5 39,7 |
1,524 | 1,515 | 0,009 | 895 | 685 | |
D9811 | AE AS |
43,1 13,7 |
51,7 52,8 53,2 |
35,7 39,6 28,2 |
1,520 1,520 |
1,513 1,513 |
0,007 0,007 |
996 900 |
639 709 |
CJ
«η |
AT AU AV |
12,6 7,6 18,6 |
54,6 | 19,5 | 1,510 1,506 1,508 |
1,505 1,505 1,504 |
0,005 0,001 0,004 |
897 890 914 |
704 649 731 |
AW | 25,9 | 56,4 | 36,2 | 1,508 | 1,502 | 0,006 | 951 | 704 | |
AX | 7,4 | 62,9 | 37,1 | 1,500 | 1,500 | 0,000 | 897 | - | |
AY | 0 | 64,0 | 36,0 | 1,488 | 1,491 | -0,003 | 932 | 691 | |
AZ | 0 | 65,4 | 11,6 | 1,488 | 1,490 | -0,002 | 932 | - | |
BA | 23,0 | 66,4 | 33,6 | 1,490 | 1,489 | 0,001 | 1131 | 710 | |
BB | 0 | 1,484 | 1,487 | -0,003 | 968 | 611 |
in Gew. %
BD
BE
BP
BG
BH
BI
BJ
BK
BL
BM
7,2 82,9
84,8
91,4
100,0
5,1
0 94,0
0 100,0
1,487
1,485
1,471
1,470
1,470
1,464
0,005 | 1158 |
0,003 | 1055 |
0,005 | 996 |
0,000 | - |
0,000 | 1270 |
0,005 | 1402 |
0,000 | 1268 |
- | 1330 |
M | 1403 |
•Μ | 1585 |
2 2 5
aus
Claims (9)
als die des Mantelglases ist.
der Gesamtmenge ^2 0R + &θ0? beträgt.
Querschnitt entsteht, dadurch gekennzeichnet, daß der Glasschicht eine ihr eine Erweichungstemperatur verleihende PpO(-Menge zugesetzt wird, welche nur 0 - 50 C niedriger ist, als die einer zweiten Glasschicht.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/611,226 US4339173A (en) | 1975-09-08 | 1975-09-08 | Optical waveguide containing P2 O5 and GeO2 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2632689A1 true DE2632689A1 (de) | 1977-03-17 |
DE2632689C2 DE2632689C2 (de) | 1986-05-22 |
Family
ID=24448148
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2632689A Expired DE2632689C2 (de) | 1975-09-08 | 1976-07-21 | Optischer Wellenleiter |
DE2660697A Expired DE2660697C2 (de) | 1975-09-08 | 1976-07-21 | Verfahren zur Herstellung eines Glas-Rohlings |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2660697A Expired DE2660697C2 (de) | 1975-09-08 | 1976-07-21 | Verfahren zur Herstellung eines Glas-Rohlings |
Country Status (8)
Country | Link |
---|---|
US (1) | US4339173A (de) |
JP (2) | JPS5233546A (de) |
AT (1) | AT346103B (de) |
CA (1) | CA1268971A (de) |
DE (2) | DE2632689C2 (de) |
FR (1) | FR2323161A1 (de) |
GB (1) | GB1521826A (de) |
HK (1) | HK56581A (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2827303A1 (de) * | 1977-06-22 | 1979-01-04 | Corning Glass Works | Verfahren zur herstellung von optischen gegenstaenden |
DE2841909A1 (de) * | 1977-09-29 | 1979-04-05 | Corning Glass Works | Verfahren zum herstellen eines optischen wellenleiters |
DE2901092A1 (de) * | 1978-01-13 | 1979-07-19 | Western Electric Co | Optische wellenleiter |
DE2930398A1 (de) * | 1978-07-31 | 1980-02-28 | Corning Glass Works | Optische gradientenindex-faser grosser bandbreite und verfahren zu ihrer herstellung |
DE2942318A1 (de) * | 1979-10-19 | 1981-04-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Optisches verzweigungsglied und verfahren zur herstellung eines optischen verzweigungsglieds |
WO1991012544A1 (en) * | 1990-02-06 | 1991-08-22 | University Of Southampton | Optical fibre light source |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4360250A (en) * | 1974-05-31 | 1982-11-23 | National Research Development Corp. | Optical waveguides |
DE2546162B1 (de) * | 1975-10-15 | 1976-09-23 | Jenaer Glaswerk Schott & Gen | Lichtleitfaser mit Brechungsindexgradient zur Nachrichtenuebertragung |
DE2614183C3 (de) * | 1976-04-02 | 1981-11-12 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Lichtleitfaser mit Gradientenprofil des Brechungsindex, niedrigen Übertragungsverlusten, hoher Übertragungskapazität und großer Aperatur bei Verwnedung von GeO↓2↓ |
JPS5521059A (en) * | 1978-07-31 | 1980-02-14 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber |
JPS5611406A (en) * | 1979-07-10 | 1981-02-04 | Sumitomo Electric Ind Ltd | Optical fiber and its manufacture |
JPS5630102A (en) * | 1979-08-20 | 1981-03-26 | Fujitsu Ltd | Optical transmission wire |
US4344670A (en) | 1980-05-01 | 1982-08-17 | Corning Glass Works | Optical waveguide soot preform with reduced inner layer stress and method of making |
US4413882A (en) * | 1980-07-03 | 1983-11-08 | Corning Glass Works | Low viscosity core glass optical fiber |
US4490737A (en) * | 1981-03-16 | 1984-12-25 | Fairchild Camera & Instrument Corp. | Smooth glass insulating film over interconnects on an integrated circuit |
AU531893B2 (en) * | 1981-08-19 | 1983-09-08 | Hitachi Cable Ltd. | d |
JPS58125624A (ja) * | 1982-01-20 | 1983-07-26 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ用母材の製造方法 |
JPS61188103U (de) * | 1986-04-17 | 1986-11-22 | ||
DE3735532A1 (de) * | 1987-10-21 | 1989-05-03 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform fuer lichtwellenleiter |
GB8804523D0 (en) * | 1988-02-26 | 1988-03-30 | Cogent Ltd | Hollow glass waveguides |
DE3820217A1 (de) * | 1988-06-14 | 1989-12-21 | Rheydt Kabelwerk Ag | Lichtwellenleiter, insbesondere einmodenfaser |
DE3842804A1 (de) * | 1988-12-20 | 1990-06-21 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
DE3842805A1 (de) * | 1988-12-20 | 1990-06-21 | Rheydt Kabelwerk Ag | Lichtwellenleiter |
JP2959877B2 (ja) * | 1991-06-24 | 1999-10-06 | 古河電気工業株式会社 | 光ファイバの製造方法 |
US5233621A (en) * | 1991-06-27 | 1993-08-03 | Intellectual Property Development Associates Of Connecticut, Inc. | Second harmonic generation and self frequency doubling laser materials comprised of bulk germanosilicate and aluminosilicate glasses |
US5253258A (en) * | 1991-10-17 | 1993-10-12 | Intellectual Property Development Associates Of Connecticut, Inc. | Optically encoded phase matched second harmonic generation device and self frequency doubling laser material using semiconductor microcrystallite doped glasses |
US5235662A (en) * | 1992-01-02 | 1993-08-10 | Eastman Kodak Company | Method to reduce light propagation losses in optical glasses and optical waveguide fabricated by same |
GB2273389B (en) * | 1992-12-14 | 1996-07-17 | Pirelli Cavi Spa | Rare earth doped optical fibre amplifiers |
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DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
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IT1000579B (it) * | 1973-01-04 | 1976-04-10 | Corning Glass Works | Vetro del tipo ad ossidi fusi |
US3938974A (en) * | 1973-04-27 | 1976-02-17 | Macedo Pedro B | Method of producing optical wave guide fibers |
CA1050833A (en) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Optical fiber fabrication involving homogeneous reaction within a moving hot zone |
US4360250A (en) * | 1974-05-31 | 1982-11-23 | National Research Development Corp. | Optical waveguides |
JPS643650A (en) * | 1987-06-26 | 1989-01-09 | Hitachi Ltd | Method for forming photosensitive resin film |
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1975
- 1975-09-08 US US05/611,226 patent/US4339173A/en not_active Expired - Lifetime
-
1976
- 1976-03-25 CA CA000248769A patent/CA1268971A/en not_active Expired
- 1976-07-21 DE DE2632689A patent/DE2632689C2/de not_active Expired
- 1976-07-21 DE DE2660697A patent/DE2660697C2/de not_active Expired
- 1976-08-31 GB GB35968/76A patent/GB1521826A/en not_active Expired
- 1976-08-31 AT AT645876A patent/AT346103B/de not_active IP Right Cessation
- 1976-09-06 JP JP51106602A patent/JPS5233546A/ja active Granted
- 1976-09-07 FR FR7626878A patent/FR2323161A1/fr active Granted
-
1981
- 1981-11-19 HK HK565/81A patent/HK56581A/xx unknown
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1982
- 1982-01-26 JP JP57010808A patent/JPS57170836A/ja active Pending
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US3737292A (en) | 1972-01-03 | 1973-06-05 | Corning Glass Works | Method of forming optical waveguide fibers |
US3826560A (en) | 1972-03-30 | 1974-07-30 | Corning Glass Works | Method of forming a light focusing fiber waveguide |
DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2827303A1 (de) * | 1977-06-22 | 1979-01-04 | Corning Glass Works | Verfahren zur herstellung von optischen gegenstaenden |
DE2841909A1 (de) * | 1977-09-29 | 1979-04-05 | Corning Glass Works | Verfahren zum herstellen eines optischen wellenleiters |
DE2901092A1 (de) * | 1978-01-13 | 1979-07-19 | Western Electric Co | Optische wellenleiter |
DE2930398A1 (de) * | 1978-07-31 | 1980-02-28 | Corning Glass Works | Optische gradientenindex-faser grosser bandbreite und verfahren zu ihrer herstellung |
DE2942318A1 (de) * | 1979-10-19 | 1981-04-30 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Optisches verzweigungsglied und verfahren zur herstellung eines optischen verzweigungsglieds |
WO1991012544A1 (en) * | 1990-02-06 | 1991-08-22 | University Of Southampton | Optical fibre light source |
Also Published As
Publication number | Publication date |
---|---|
AT346103B (de) | 1978-10-25 |
JPS57170836A (en) | 1982-10-21 |
CA1268971A (en) | 1990-05-15 |
FR2323161B1 (de) | 1982-12-10 |
FR2323161A1 (fr) | 1977-04-01 |
US4339173A (en) | 1982-07-13 |
JPS6124348B2 (de) | 1986-06-10 |
DE2660697C2 (de) | 1986-05-28 |
DE2632689C2 (de) | 1986-05-22 |
GB1521826A (en) | 1978-08-16 |
HK56581A (en) | 1981-11-27 |
JPS5233546A (en) | 1977-03-14 |
ATA645876A (de) | 1978-02-15 |
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