CN209215675U - A kind of double-clad photon crystal optical fibre - Google Patents
A kind of double-clad photon crystal optical fibre Download PDFInfo
- Publication number
- CN209215675U CN209215675U CN201920114909.8U CN201920114909U CN209215675U CN 209215675 U CN209215675 U CN 209215675U CN 201920114909 U CN201920114909 U CN 201920114909U CN 209215675 U CN209215675 U CN 209215675U
- Authority
- CN
- China
- Prior art keywords
- double
- inner cladding
- outside
- filler
- layer
- 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 - Fee Related
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The utility model discloses a kind of double-clad photon crystal optical fibres, including fiber body, PE protective layer is provided on the outside of the fiber body, water blocking layer is provided on the inside of the PE protective layer, it is provided with surrounding layer on the inside of the water blocking layer, multiple groups airport is evenly arranged on the surrounding layer, the surrounding layer is internally provided with inner cladding, aluminium-plastic tape is provided on the outside of the inner cladding, the inner cladding is internally provided with filler.The utility model reflects laser unidirectionally in the inside of inner cladding by the evenly distributed airport being arranged, and laser is completely cut off by aluminium-plastic tape, so as to avoid light source leakage, and concentrate light source refraction more, keep the laser light source of conveying stronger, keep the using effect of photonic crystal fiber more preferable, steam has been completely cut off in air by water blocking layer and has been contacted with photonic crystal fiber, and has avoided moisture and causes certain corrosivity to the optical fiber inside photonic crystal fiber.
Description
Technical field
The utility model relates to laser field, specially a kind of double-clad photon crystal optical fibre.
Background technique
Photonic crystal fiber has many peculiar properties.For example, can only support a mould in very wide bandwidth range
Formula transmission；The arrangement mode of clad region stomata being capable of greatly Effect Mode property；Arranging asymmetric stomata also can produce
Very big birefringence effect, this designs high performance polarizer for us and provides possibility.However existing photonic crystal light
It is fine generally to use single cladding structure, and the covering of single layer is easy to make the laser leakage of conveying, weakens the laser light source of conveying,
To keep the using effect of photonic crystal fiber bad, and existing photonic crystal fiber lacks waterproof effect, is easy to make air
In moisture certain corrosivity is caused to the optical fiber inside photonic crystal fiber, to reduce service life, and reduce
The safety of photonic crystal fiber.
Utility model content
The purpose of this utility model is that: single cladding structure is generally used in order to solve existing photonic crystal fiber,
And the covering of single layer is easy to make the laser leakage of conveying, weakens the laser light source of conveying, to make making for photonic crystal fiber
It is bad with effect, and existing photonic crystal fiber lacks waterproof effect, is easy to make the moisture in air to photonic crystal fiber
Internal optical fiber causes certain corrosivity, so that service life is reduced, and reduce the safety of photonic crystal fiber
Problem provides a kind of double-clad photon crystal optical fibre.
To achieve the above object, the utility model provides the following technical solutions: a kind of double-clad photon crystal optical fibre, including
Fiber body is provided with PE protective layer on the outside of the fiber body, is provided with water blocking layer on the inside of the PE protective layer, described
It is provided with surrounding layer on the inside of water blocking layer, multiple groups airport is evenly arranged on the surrounding layer, the inside of the surrounding layer is set
It is equipped with inner cladding, is provided with aluminium-plastic tape on the outside of the inner cladding, the inner cladding is internally provided with filler, described
Filler is internally provided with strengthening core, and adapter sleeve is provided on the outside of the strengthening core, and the outside of the adapter sleeve is uniformly set
It is equipped with multiple groups optical fiber, the outside of the optical fiber is all provided with Loose tube.
Preferably, the number of the airport is incremented by successively from inside to outside, and airport is evenly distributed on the outer of inner cladding
Side, the airport form just hexagonal structure.
Preferably, the filler is ointment filler, is evenly arranged with multiple groups through-hole on the filler, and through-hole
Number is six groups.
Preferably, the aluminium-plastic tape is located on the inner wall of surrounding layer, the surrounding layer by aluminium-plastic tape with it is interior
Covering is fixedly connected.
Preferably, the number of the optical fiber and Loose tube is all six groups, and optical fiber and Loose tube are all embedded in the interior of through-hole
Portion.
Preferably, the strengthening core is fixedly connected by adapter sleeve with filler.
Compared with prior art, the utility model has the beneficial effects that the utility model on the outside of inner cladding by setting
Aluminium-plastic tape and surrounding layer are set, so that inner cladding and surrounding layer is realized double-layer structure by aluminium-plastic tape, and pass through setting
Evenly distributed airport reflects laser unidirectionally in the inside of inner cladding, and is completely cut off by aluminium-plastic tape to laser,
It so as to avoid light source leakage, and concentrates light source refraction more, keeps the laser light source of conveying stronger, make photonic crystal fiber
Using effect is more preferable, and by the way that water blocking layer is arranged in the inside of PE protective layer, has completely cut off steam and light in air by water blocking layer
Photonic crystal fiber contact, and avoid moisture and cause certain corrosivity to the optical fiber inside photonic crystal fiber, to improve
Service life, and improve the safety of photonic crystal fiber.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the partial structural diagram of the utility model.
In figure: 1, fiber body；2, PE protective layer；3, water blocking layer；4, surrounding layer；5, airport；6, aluminium-plastic tape；7,
Inner cladding；8, filler；9, strengthening core；10, adapter sleeve；11, optical fiber；12, Loose tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model it is equal can market or it is private order obtained by.
Please refer to Fig. 1-3, a kind of double-clad photon crystal optical fibre, including fiber body 1, the outside setting of fiber body 1
There is a PE protective layer 2, the inside of PE protective layer 2 is provided with water blocking layer 3, and the inside of water blocking layer 3 is provided with surrounding layer 4, on surrounding layer 4
It is evenly arranged with multiple groups airport 5, surrounding layer 4 is internally provided with inner cladding 7, and the outside of inner cladding 7 is provided with plastic-aluminum combined
Band 6, inner cladding 7 are internally provided with filler 8, and filler 8 is internally provided with strengthening core 9, and the outside of strengthening core 9 is provided with
Adapter sleeve 10, the outside of adapter sleeve 10 are evenly arranged with multiple groups optical fiber 11, and the outside of optical fiber 11 is all provided with Loose tube 12.
The utility model reflects laser unidirectionally in the inside of inner cladding 7 by the evenly distributed airport 5 of setting,
It so as to avoid light source reflection, and concentrates light source refraction more, to keep the laser light source of conveying stronger, makes photonic crystal light
Fine using effect is more preferable, while being protected by PE protective layer 2 to this kind of double-clad photon crystal optical fibre, so as to avoid
Damage of the grieshoch to this kind of double-clad photon crystal optical fibre, to improve the use longevity of this kind of double-clad photon crystal optical fibre
Life.
Please emphatically refering to fig. 1, the number of airport 5 is incremented by successively from inside to outside, and airport 5 is evenly distributed on inner cladding
7 outside, airport 5 form just hexagonal structure.
This kind of double-clad photon crystal optical fibre makes laser in inner cladding 7 by the evenly distributed airport 5 of setting
Portion unidirectionally reflects, and so as to avoid light source reflection, and concentrates light source refraction more, to keep the laser light source of conveying stronger.
It please focus on refering to fig. 1,2 and 3, filler 8 is ointment filler, it is evenly arranged with multiple groups through-hole on filler 8, and
The number of through-hole is six groups.
This kind of double-clad photon crystal optical fibre more preferably consolidates optical fiber 11 by the way that multiple groups through-hole is arranged on filler 8
It is fixed, to keep the using effect of this kind of double-clad photon crystal optical fibre more preferable, and more convenient to this kind of double-clad photon crystal light
Fibre is removed.
Please be emphatically refering to fig. 1 with 2, aluminium-plastic tape 6 is located on the inner wall of surrounding layer 4, and surrounding layer 4 passes through aluminium-plastic tape
6 are fixedly connected with inner cladding 7.
This kind of double-clad photon crystal optical fibre avoids the leakage of light source, and pass through aluminium by the aluminium-plastic tape 6 of setting
Plastic composite strip 6 keeps the high-temperature resistant result of this kind of double-clad photon crystal optical fibre more preferable, to improve this kind of double-cladding-layer photon crystalline substance
The service life of body optical fiber.
Please emphatically refering to fig. 1,2 and 3, the number of optical fiber 11 and Loose tube 12 is all six groups, and optical fiber 11 and Loose tube 12
It is all embedded in the inside of through-hole, strengthening core 9 is fixedly connected by adapter sleeve 10 with filler 8.
Optical fiber 11 is preferably embedded in the inside of filler 8 by Loose tube 12 by this kind of double-clad photon crystal optical fibre,
And since Loose tube 12 is isolated by optical fiber 11 with filler 8, to keep the peeling effect of filler 8 more preferable, so that more convenient make
With.
Working principle: in use, laser is transmitted by optical fiber 11, while laser is in the internal refraction light of inner cladding 7
Source, and keep the high-temperature resistant result of this kind of double-clad photon crystal optical fibre more preferable by aluminium-plastic tape 6, and pass through the uniform of setting
The airport 5 of arrangement reflects laser unidirectionally in the inside of inner cladding 7, so as to avoid light source reflection, and makes light source refraction more
To concentrate, to keep the laser light source of conveying stronger, keep the using effect of photonic crystal fiber more preferable, while passing through six groups of optical fiber
11 simultaneously transmit laser, keep the laser propagation effect of laser light source more preferable, and the rate transmitted is faster, to improve use
Efficiency, and by the way that water blocking layer 3 is arranged in the inside of PE protective layer 2, steam and photonic crystal in air have been completely cut off by water blocking layer 3
Optical fiber contact, and avoid moisture and cause certain corrosivity to the optical fiber inside photonic crystal fiber, to improve use
Service life, and improve the safety of photonic crystal fiber.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of double-clad photon crystal optical fibre, including fiber body (1), it is characterised in that: the outside of the fiber body (1)
It is provided with PE protective layer (2), is provided with water blocking layer (3) on the inside of the PE protective layer (2), set on the inside of the water blocking layer (3)
It is equipped with surrounding layer (4), is evenly arranged with multiple groups airport (5) on the surrounding layer (4), the inside setting of the surrounding layer (4)
Have inner cladding (7), is provided with aluminium-plastic tape (6) on the outside of the inner cladding (7), inner cladding (7) are internally provided with
Filler (8), the filler (8) are internally provided with strengthening core (9), are provided with adapter sleeve on the outside of the strengthening core (9)
(10), it is evenly arranged with multiple groups optical fiber (11) on the outside of the adapter sleeve (10), the outside of the optical fiber (11) is all provided with pine
Casing (12).
2. a kind of double-clad photon crystal optical fibre according to claim 1, it is characterised in that: the number of the airport (5)
Mesh is incremented by successively from inside to outside, and airport (5) is evenly distributed on the outside of inner cladding (7), airport (5) composition positive six
Side type structure.
3. a kind of double-clad photon crystal optical fibre according to claim 1, it is characterised in that: the filler (8) is oil
Cream filler is evenly arranged with multiple groups through-hole on the filler (8), and the number of through-hole is six groups.
4. a kind of double-clad photon crystal optical fibre according to claim 1, it is characterised in that: the aluminium-plastic tape (6)
On the inner wall of surrounding layer (4), the surrounding layer (4) is fixedly connected by aluminium-plastic tape (6) with inner cladding (7).
5. a kind of double-clad photon crystal optical fibre according to claim 3, it is characterised in that: the optical fiber (11) and pine set
The number for managing (12) is all six groups, and optical fiber (11) and Loose tube (12) are all embedded in the inside of through-hole.
6. a kind of double-clad photon crystal optical fibre according to claim 1, it is characterised in that: the strengthening core (9) passes through
Adapter sleeve (10) is fixedly connected with filler (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114909.8U CN209215675U (en) | 2019-01-23 | 2019-01-23 | A kind of double-clad photon crystal optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114909.8U CN209215675U (en) | 2019-01-23 | 2019-01-23 | A kind of double-clad photon crystal optical fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215675U true CN209215675U (en) | 2019-08-06 |
Family
ID=67467370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920114909.8U Expired - Fee Related CN209215675U (en) | 2019-01-23 | 2019-01-23 | A kind of double-clad photon crystal optical fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209215675U (en) |
-
2019
- 2019-01-23 CN CN201920114909.8U patent/CN209215675U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102255227B (en) | Fiber cladding light filter and manufacturing method thereof | |
| WO2008108269A1 (en) | Photonic band gap fiber | |
| CN206818914U (en) | Reflection-type wavelength division multiplexer based on film filtering slice | |
| CN101556352B (en) | Method for inhibiting propagation of energy-transmitting optical fibers at cladding mode | |
| CN209215675U (en) | A kind of double-clad photon crystal optical fibre | |
| CN110208901A (en) | A kind of hollow antiresonance optical fiber | |
| CN102338905B (en) | Optical fiber for transmitting terahertz waves | |
| CN108333672B (en) | Large-mode-field single-mode fiber with heterogeneous spiral cladding structure | |
| CN102201642A (en) | Method for protecting pumping source of optical device | |
| CN110568545B (en) | Photonic crystal fiber polarization filter | |
| CN203535257U (en) | High power optical fiber cladding mode filtering device | |
| CN203551854U (en) | Improved all-dielectric self-support optical cable | |
| CN213633906U (en) | Dispersion optical fiber with hard dispersion head | |
| CN115051230A (en) | Device with functions of preventing light reflection and monitoring light signal and monitoring method | |
| CN104749690A (en) | Polarization beam splitter of tellurite glass dual-core photonic crystal fiber | |
| CN102590926B (en) | Coupling device for high-power laser injection fiber | |
| CN207318774U (en) | A kind of fibre cladding mould filters out and radiator | |
| CN208477147U (en) | A kind of optical fiber structure that can absorb cladding light | |
| CN205562861U (en) | Novel side is thrown mill high power optic fibre and is shelled mould ware | |
| CN102354017B (en) | Terahertz transmission fiber | |
| CN202161409U (en) | Handle of laser treatment device | |
| CN216423653U (en) | Good honeycomb cardboard of toughness | |
| CN212586590U (en) | Wavelength division divider | |
| CN204807740U (en) | Covering power stripper | |
| CN211653206U (en) | Internal high-reflection photonic crystal fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20200123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |