JPS6428602A - Plastic optical transmissible fiber - Google Patents
Plastic optical transmissible fiberInfo
- Publication number
- JPS6428602A JPS6428602A JP62185273A JP18527387A JPS6428602A JP S6428602 A JPS6428602 A JP S6428602A JP 62185273 A JP62185273 A JP 62185273A JP 18527387 A JP18527387 A JP 18527387A JP S6428602 A JPS6428602 A JP S6428602A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- core layer
- formula
- layer
- titled fiber
- 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
- 239000000835 fiber Substances 0.000 title abstract 6
- 230000003287 optical effect Effects 0.000 title abstract 3
- 239000012792 core layer Substances 0.000 abstract 5
- 239000010410 layer Substances 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 abstract 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Polyesters Or Polycarbonates (AREA)
- Multicomponent Fibers (AREA)
Abstract
PURPOSE:To improve the heat-resisting property of the titled fiber, and to lessen the increase of the optical transmission loss, even in case of using in the surrounding of a high temp. by constituting the titled fiber of a core layer and a sheath layer as a fundamental constituting unit, and by composing the core layer of a polymer represented by a specified formula. CONSTITUTION:The titled fiber comprises the core layer and the sheath layer as the fundamental constituting unit, and the core layer is composed of a poly carbonate polymer having a repeating unit shown by formula I wherein R1-R4 are each hydrogen atom. or methyl group and may be the same or different with each other, A is a group shown by formula II (wherein, when A is isopropylidene group, R is not hydrogen atom). And, the refractive index of the core layer is larger than that of the sheath layer by >=0.01. Thus, the heat- resisting property of the titled fiber is improved, and the increase of the optical transmission loss is lessened, even in case of using said fiber in the surrounding of the high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62185273A JPS6428602A (en) | 1987-07-23 | 1987-07-23 | Plastic optical transmissible fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62185273A JPS6428602A (en) | 1987-07-23 | 1987-07-23 | Plastic optical transmissible fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428602A true JPS6428602A (en) | 1989-01-31 |
Family
ID=16167942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62185273A Pending JPS6428602A (en) | 1987-07-23 | 1987-07-23 | Plastic optical transmissible fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428602A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764705A (en) * | 1980-10-09 | 1982-04-20 | Kanegafuchi Chem Ind Co Ltd | Light transmission body made of symthetic resin |
| JPS6032004A (en) * | 1983-08-02 | 1985-02-19 | Mitsubishi Rayon Co Ltd | Manufacturing method for plastic optically transmitting fiber |
| JPS61292105A (en) * | 1985-06-19 | 1986-12-22 | Kanegafuchi Chem Ind Co Ltd | Plastic optical fiber having superior heat resistance |
| JPS62118307A (en) * | 1985-11-19 | 1987-05-29 | Fujitsu Ltd | Optical fiber |
-
1987
- 1987-07-23 JP JP62185273A patent/JPS6428602A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5764705A (en) * | 1980-10-09 | 1982-04-20 | Kanegafuchi Chem Ind Co Ltd | Light transmission body made of symthetic resin |
| JPS6032004A (en) * | 1983-08-02 | 1985-02-19 | Mitsubishi Rayon Co Ltd | Manufacturing method for plastic optically transmitting fiber |
| JPS61292105A (en) * | 1985-06-19 | 1986-12-22 | Kanegafuchi Chem Ind Co Ltd | Plastic optical fiber having superior heat resistance |
| JPS62118307A (en) * | 1985-11-19 | 1987-05-29 | Fujitsu Ltd | Optical fiber |
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