JPS55121406A - Production of step-index type optical fiber for infrared ray - Google Patents
Production of step-index type optical fiber for infrared rayInfo
- Publication number
- JPS55121406A JPS55121406A JP2943379A JP2943379A JPS55121406A JP S55121406 A JPS55121406 A JP S55121406A JP 2943379 A JP2943379 A JP 2943379A JP 2943379 A JP2943379 A JP 2943379A JP S55121406 A JPS55121406 A JP S55121406A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- preform
- infrared ray
- clad
- core
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title abstract 5
- -1 silver halide Chemical class 0.000 abstract 5
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- 229910052716 thallium Inorganic materials 0.000 abstract 2
- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 abstract 2
- 229910021607 Silver chloride Inorganic materials 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 abstract 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 abstract 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
- C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2201/00—Type of glass produced
- C03B2201/80—Non-oxide glasses or glass-type compositions
- C03B2201/84—Halide glasses other than fluoride glasses, i.e. Cl, Br or I glasses, e.g. AgCl-AgBr "glass"
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Compositions (AREA)
Abstract
PURPOSE:To obtain the optical fiber of low losses in infrared ray region by making a conical preform by the use of silver halide and thallium halide and extruding this. CONSTITUTION:The preform for optical fiber whose core and clad are of the specific diameter ratio is formed by using, e.g., TlBr of high refractive index for the core part and TlCl of low refractive index for the clad part, out of silver halide, such as AgCl, AgBr, AgI, being infrared ray transmission materials having flexibility near room temperature, and thallium halide, such as TlCl, TlBr, TlI. This preform 2a is put in a vessel 7 and an electric oven 10 is heated to the specified temperature. When a pressing bar 6 is pushed by a hydraulic press or the like, the step-index type optical fiber of the same diameter ratio of the core and clad as that of the preform 2a comes out from the end of an extrusion die 8. This optical fiber is capable of efficiently leading the CO2 laser light of high energy density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943379A JPS55121406A (en) | 1979-03-15 | 1979-03-15 | Production of step-index type optical fiber for infrared ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943379A JPS55121406A (en) | 1979-03-15 | 1979-03-15 | Production of step-index type optical fiber for infrared ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55121406A true JPS55121406A (en) | 1980-09-18 |
Family
ID=12275995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2943379A Pending JPS55121406A (en) | 1979-03-15 | 1979-03-15 | Production of step-index type optical fiber for infrared ray |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55121406A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124103A (en) * | 1979-03-16 | 1980-09-25 | Furukawa Electric Co Ltd:The | Infrared transmission body |
| US4583821A (en) * | 1981-11-09 | 1986-04-22 | Sumitomo Electric Industries, Ltd. | Infrared fibers |
-
1979
- 1979-03-15 JP JP2943379A patent/JPS55121406A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55124103A (en) * | 1979-03-16 | 1980-09-25 | Furukawa Electric Co Ltd:The | Infrared transmission body |
| JPS6051082B2 (en) * | 1979-03-16 | 1985-11-12 | 古河電気工業株式会社 | infrared transmitter |
| US4583821A (en) * | 1981-11-09 | 1986-04-22 | Sumitomo Electric Industries, Ltd. | Infrared fibers |
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