CA1117334A - Gradient index optical waveguide - Google Patents
Gradient index optical waveguideInfo
- Publication number
- CA1117334A CA1117334A CA000308482A CA308482A CA1117334A CA 1117334 A CA1117334 A CA 1117334A CA 000308482 A CA000308482 A CA 000308482A CA 308482 A CA308482 A CA 308482A CA 1117334 A CA1117334 A CA 1117334A
- Authority
- CA
- Canada
- Prior art keywords
- concentration
- thermal expansion
- expansion coefficient
- constituents
- index
- 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
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 239000000470 constituent Substances 0.000 claims abstract description 62
- 238000005253 cladding Methods 0.000 claims abstract description 43
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002019 doping agent Substances 0.000 claims abstract description 18
- 229910011255 B2O3 Inorganic materials 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 23
- 230000003247 decreasing effect Effects 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000004071 soot Substances 0.000 claims description 8
- 239000012808 vapor phase Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 230000002028 premature Effects 0.000 abstract 1
- 239000012159 carrier gas Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- SDTHIDMOBRXVOQ-UHFFFAOYSA-N 5-[bis(2-chloroethyl)amino]-6-methyl-1h-pyrimidine-2,4-dione Chemical compound CC=1NC(=O)NC(=O)C=1N(CCCl)CCCl SDTHIDMOBRXVOQ-UHFFFAOYSA-N 0.000 description 1
- 235000005749 Anthriscus sylvestris Nutrition 0.000 description 1
- OWNRRUFOJXFKCU-UHFFFAOYSA-N Bromadiolone Chemical compound C=1C=C(C=2C=CC(Br)=CC=2)C=CC=1C(O)CC(C=1C(OC2=CC=CC=C2C=1O)=O)C1=CC=CC=C1 OWNRRUFOJXFKCU-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
-
- 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
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
- C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
-
- 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
- C03B2203/26—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
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
- C03B2207/86—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid by bubbling a gas through the liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Integrated Circuits (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA390,516A CA1133736A (en) | 1977-09-29 | 1981-11-20 | Gradient index optical waveguide |
| CA000390517A CA1134655A (en) | 1977-09-29 | 1981-11-20 | Gradient index optical waveguide |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83792777A | 1977-09-29 | 1977-09-29 | |
| US837,927 | 1977-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1117334A true CA1117334A (en) | 1982-02-02 |
Family
ID=25275810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000308482A Expired CA1117334A (en) | 1977-09-29 | 1978-07-31 | Gradient index optical waveguide |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS5464134A (enrdf_load_stackoverflow) |
| AT (1) | AT388725B (enrdf_load_stackoverflow) |
| BR (1) | BR7805597A (enrdf_load_stackoverflow) |
| CA (1) | CA1117334A (enrdf_load_stackoverflow) |
| DE (1) | DE2841909B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2404864A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2004863B (enrdf_load_stackoverflow) |
| IT (1) | IT1099618B (enrdf_load_stackoverflow) |
| NL (1) | NL174137C (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4314837A (en) * | 1979-03-01 | 1982-02-09 | Corning Glass Works | Reactant delivery system method |
| US4344670A (en) | 1980-05-01 | 1982-08-17 | Corning Glass Works | Optical waveguide soot preform with reduced inner layer stress and method of making |
| JPH0180028U (enrdf_load_stackoverflow) * | 1987-11-19 | 1989-05-29 | ||
| US5483613A (en) * | 1994-08-16 | 1996-01-09 | At&T Corp. | Optical device with substrate and waveguide structure having thermal matching interfaces |
| DE102011109838A1 (de) | 2011-05-27 | 2012-11-29 | J-Plasma Gmbh | Lichtleitfaser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50110341A (enrdf_load_stackoverflow) * | 1974-02-07 | 1975-08-30 | ||
| US4339173A (en) * | 1975-09-08 | 1982-07-13 | Corning Glass Works | Optical waveguide containing P2 O5 and GeO2 |
| JPS5288349A (en) * | 1976-01-20 | 1977-07-23 | Nippon Selfoc Co Ltd | Optical fiber for communication |
| DE2615534C3 (de) * | 1976-04-09 | 1978-10-05 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Für die Nachrichtenübertragung geeignete Lichtleitfaser mit Gradientenprofil aus Mehrkomponentengläsern mit angepaßtem Ausdehnungskoeffizienten zwischen Glaskern und Glasmantel sowie Verfahren zu ihrer Herstellung |
-
1978
- 1978-07-31 CA CA000308482A patent/CA1117334A/en not_active Expired
- 1978-08-29 BR BR7805597A patent/BR7805597A/pt unknown
- 1978-09-22 GB GB7837796A patent/GB2004863B/en not_active Expired
- 1978-09-26 DE DE2841909A patent/DE2841909B2/de not_active Withdrawn
- 1978-09-28 JP JP11985378A patent/JPS5464134A/ja active Pending
- 1978-09-28 NL NLAANVRAGE7809849,A patent/NL174137C/xx not_active IP Right Cessation
- 1978-09-28 AT AT0701778A patent/AT388725B/de not_active IP Right Cessation
- 1978-09-28 FR FR7827791A patent/FR2404864A1/fr active Granted
- 1978-09-29 IT IT28261/78A patent/IT1099618B/it active
-
1986
- 1986-07-14 JP JP1986106862U patent/JPS6216904U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5464134A (en) | 1979-05-23 |
| NL174137B (nl) | 1983-12-01 |
| IT1099618B (it) | 1985-09-18 |
| DE2841909B2 (de) | 1981-04-23 |
| NL174137C (nl) | 1987-05-18 |
| ATA701778A (de) | 1986-08-15 |
| AT388725B (de) | 1989-08-25 |
| GB2004863B (en) | 1982-05-26 |
| JPS6216904U (enrdf_load_stackoverflow) | 1987-01-31 |
| GB2004863A (en) | 1979-04-11 |
| BR7805597A (pt) | 1979-06-05 |
| FR2404864A1 (fr) | 1979-04-27 |
| DE2841909A1 (de) | 1979-04-05 |
| IT7828261A0 (it) | 1978-09-29 |
| FR2404864B1 (enrdf_load_stackoverflow) | 1984-04-06 |
| NL7809849A (nl) | 1979-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |