CN104035172A - Single-mode optical fiber - Google Patents
Single-mode optical fiber Download PDFInfo
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- CN104035172A CN104035172A CN201410207280.3A CN201410207280A CN104035172A CN 104035172 A CN104035172 A CN 104035172A CN 201410207280 A CN201410207280 A CN 201410207280A CN 104035172 A CN104035172 A CN 104035172A
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- bending loss
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- sheath
- mode fiber
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Abstract
The invention discloses a single-mode optical fiber. The single-mode optical fiber includes a central fiber core, a first bending loss-prevention protective layer, a metal strengthening core, a cable core, a second bending loss-prevention protective layer and an outer wrapping layer, wherein the central fiber core is wrapped with the first bending loss-prevention protective layer, the metal strengthening core is arranged at the exterior of the first bending loss-prevention protective layer, the cable core is arranged at the exterior of the metal strengthening core, and the cable core is wrapped with the second bending loss-prevention protective layer and the outer wrapping layer sequentially. By means of the above manner, the single-mode optical fiber of the invention has the advantages of excellent bending loss-prevention performance, compact structure and excellent comprehensive mechanical properties.
Description
Technical field
The present invention relates to field fiber, particularly relate to a kind of single-mode fiber.
Background technology
Along with development and the active demand of people to long distance, large information capacity communication of the development of Fibre Optical Communication Technology, particularly laser technique, people have searched out again better Fibre Optical Communication Technology-single mode fiber communications.Fibre Optical Communication Technology develops into today, the multimode optical fiber intrinsic a lot of limitation of communicating by letter more loom large: (1), multimode luminescent device are light emitting diode (LED), optical frequency spectrum width, light wave are impure, light transmission dispersion is large, transmission range is little, 1000M bit/s bandwidth for transmission, reliable distance is 255m, 100M bit/s bandwidth for transmission, reliable distance is 2km; (2), because of the intrinsic limitation of multimode luminescent device and the restriction of the existing optical characteristics of multimode optical fiber, the bandwidth of multimode optical fiber communication is 1000M bit/s to the maximum, single mode fiber communications has broken through the limitation of multimode optical fiber communication.
But, the maximum problem that now single-mode fiber exists be optical fiber node mainly with and tortuous wiring more, therefore general single mode fiber bending loss is large, counter-bending drain performance is poor, comprehensive mechanical performance machinery is poor.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of single-mode fiber, and counter-bending drain performance is good, and compact conformation also has good comprehensive mechanical performance.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of single-mode fiber is provided, comprise: central core, the first counter-bending loss sheath, metal strengthening core, cable core, the second counter-bending loss sheath and surrounding layer, described central core is coated with the first described counter-bending loss sheath, the first described counter-bending loss sheath is outside equipped with described metal strengthening core, described metal strengthening core is outside equipped with described cable core, and described cable core is coated with the second described counter-bending loss sheath and surrounding layer outward successively.
In a preferred embodiment of the present invention, the first described counter-bending loss sheath is embossing steel band bonding PE sheath.
In a preferred embodiment of the present invention, the second described counter-bending loss sheath is the vertical covering of two-sided chromium plating plastic-coated steel band.
In a preferred embodiment of the present invention, the core diameter of described central core is 8 ~ 10 μ m.
In a preferred embodiment of the present invention, the thickness of the first described counter-bending loss sheath is 10 ~ 15 μ m.
In a preferred embodiment of the present invention, the thickness of the second described counter-bending loss sheath is 15 ~ 25 μ m.
The invention has the beneficial effects as follows: the counter-bending drain performance of the present invention is good, compact conformation also has good comprehensive mechanical performance.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of single-mode fiber one preferred embodiment of the present invention;
In accompanying drawing, the mark of each parts is as follows: 1, central core, 2, the first counter-bending loss sheath, 3, metal strengthening core, 4, cable core, 5, the second counter-bending loss sheath, 6, surrounding layer.
Embodiment
To the technical scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of single-mode fiber, comprise: central core 1, the first counter-bending loss sheath 2, metal strengthening core 3, cable core 4, the second counter-bending loss sheath 5 and surrounding layer 6, described central core 1 is coated with the first described counter-bending loss sheath 2, the first described counter-bending loss sheath 2 is outside equipped with described metal strengthening core 3, described metal strengthening core 3 is outside equipped with described cable core 4, outside described cable core 4, is coated with successively the second described counter-bending loss sheath 5 and surrounding layer 6.
In addition, the first described counter-bending loss sheath 2 is embossing steel band bonding PE sheath.
In addition, the second described counter-bending loss sheath 5 is the vertical covering of two-sided chromium plating plastic-coated steel band.
In addition, the core diameter of described central core 1 is 8 ~ 10 μ m.
In addition, the thickness of the first described counter-bending loss sheath 2 is 10 ~ 15 μ m.
In addition, the thickness of the second described counter-bending loss sheath 5 is 15 ~ 25 μ m.
The beneficial effect of single-mode fiber of the present invention is: the counter-bending drain performance of the present invention is good, and compact conformation also has good comprehensive mechanical performance.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a single-mode fiber, it is characterized in that, comprise: central core, the first counter-bending loss sheath, metal strengthening core, cable core, the second counter-bending loss sheath and surrounding layer, described central core is coated with the first described counter-bending loss sheath, the first described counter-bending loss sheath is outside equipped with described metal strengthening core, described metal strengthening core is outside equipped with described cable core, and described cable core is coated with the second described counter-bending loss sheath and surrounding layer outward successively.
2. single-mode fiber according to claim 1, is characterized in that, the first described counter-bending loss sheath is embossing steel band bonding PE sheath.
3. single-mode fiber according to claim 1, is characterized in that, the second described counter-bending loss sheath is the vertical covering of two-sided chromium plating plastic-coated steel band.
4. single-mode fiber according to claim 1, is characterized in that, the core diameter of described central core is 8 ~ 10 μ m.
5. single-mode fiber according to claim 1, is characterized in that, the thickness of the first described counter-bending loss sheath is 10 ~ 15 μ m.
6. single-mode fiber according to claim 1, is characterized in that, the thickness of the second described counter-bending loss sheath is 15 ~ 25 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207280.3A CN104035172A (en) | 2014-05-16 | 2014-05-16 | Single-mode optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410207280.3A CN104035172A (en) | 2014-05-16 | 2014-05-16 | Single-mode optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104035172A true CN104035172A (en) | 2014-09-10 |
Family
ID=51466002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410207280.3A Pending CN104035172A (en) | 2014-05-16 | 2014-05-16 | Single-mode optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104035172A (en) |
-
2014
- 2014-05-16 CN CN201410207280.3A patent/CN104035172A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140910 |
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| WD01 | Invention patent application deemed withdrawn after publication |