CN107092054A - A kind of Active Optical Fiber fusion connection point protection device and method - Google Patents
A kind of Active Optical Fiber fusion connection point protection device and method Download PDFInfo
- Publication number
- CN107092054A CN107092054A CN201710431701.4A CN201710431701A CN107092054A CN 107092054 A CN107092054 A CN 107092054A CN 201710431701 A CN201710431701 A CN 201710431701A CN 107092054 A CN107092054 A CN 107092054A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- refraction
- active optical
- low
- storage tank
- 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.)
- Withdrawn
Links
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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
Abstract
This application discloses a kind of Active Optical Fiber fusion connection point protection device and method, it includes substrate；The optical fiber storage tank of substrate is arranged at, optical fiber storage tank houses Active Optical Fiber and passive fiber, and Active Optical Fiber is connected with each other with passive fiber；Coated on Active Optical Fiber and passive fiber and coat high index of refraction optical cement outside the optical cement of one layer of low-refraction, low-refraction optical cement, and fill whole optical fiber storage tank.The present invention is ensured to realize the efficient dissipation of heat in fusion point region while light normal transmission in welding area, welding area is protected using substrate, is easy to movement, easy to operate.
Description
Technical field
The application belongs to optical fiber fusion welding technology field, specifically, be related to a kind of Active Optical Fiber fusion connection point protection device and
Method.
Background technology
Optical fiber laser is a kind of laser of optical fiber adulterated by special ion as operation material, optical fiber laser by
The devices such as semiconductor laser pumping source, bundling device, fiber grating, Active Optical Fiber are constituted, and laser is realized in the welding of each device tail optical fiber
Output, the welding quality of fusion point plays the role of very big to optical fiber efficiency of transmission, the stability of complete machine.Produce and put in laser
When big, pump light injects Active Optical Fiber as driving source using bundling device coupled modes, and bundling device tail optical fiber is typically passive light
Fibre, in the welding of the point, the doping of two kinds of inside of optical fibre is different, causes absorption of two kinds of optical fiber to heat inconsistent, it is difficult to
Seamlessly transitting for welding is realized, while there is the absorption of laser again with exciting in the Active Optical Fiber part of fusion point.Therefore the point
Processing it is most important to the transmission of light and the stability of complete machine.
At present, the processing of fusion point generally uses two ways：A kind of method is to use the heat-shrink tube with stainless pin,
Be wrapped in the whole stripping area of fusion point, by heat fusion point part is wrapped up, it is fixed, which can realize welding
The fixation of point avoids bending from causing to fracture, but the protected mode is it cannot be guaranteed that the seal of fusion point part, dust easily occurs and enter
Enter the accumulation that welding area causes dust area heat, influence welding quality；Another method is to molten using optical fiber coating machine
The whole stripping area of contact coats the optical cement of low-refraction, is solidified, which can ensure the stripping of whole welding
Region completely cuts off completely with air, but easily goes out because gum outlet optical cement opposite sides amount of area is big in the solidification of optical cement
Now whole stripping area solidifies uneven phenomenon, and the optical cement of hardening time insufficient section the absorption of dust easily occurs, caused
The accumulation of heat, and easily there is coming off for optical cement in hardening time excessive portion, while having part at coat pick-up point
Optical fiber spills in coating adhesive and is transmitted, the coating quality in influence fusion point region.
The content of the invention
In view of this, technical problems to be solved in this application there is provided a kind of Active Optical Fiber fusion connection point protection device and
Method, by setting protection device to realize introduced details, it is to avoid the unstability after influence fused fiber splice.
In order to solve the above-mentioned technical problem, this application discloses a kind of Active Optical Fiber fusion connection point protection device, it includes base
Plate；The optical fiber storage tank of substrate is arranged at, optical fiber storage tank houses Active Optical Fiber and passive fiber, and Active Optical Fiber and passive light
Fibre is connected with each other；And it is coated on coating outside the low-refraction optical cement of Active Optical Fiber and passive fiber, low-refraction optical cement
High index of refraction optical cement simultaneously fills optical fiber storage tank.
According to an embodiment of the present invention, wherein above-mentioned optical fiber storage tank is provided in round or oval-shaped groove.
According to an embodiment of the present invention, wherein aforesaid substrate is by high heat conductivity metal material, such as aluminium or copper into.
A kind of Active Optical Fiber fusion point guard method, including
（a）Passive fiber and Active Optical Fiber are provided, and peeled off using heat-peeling forceps beyond passive fiber and Active Optical Fiber inner cladding
Coating layer segment；
（b）The passive fiber peeled off and Active Optical Fiber are utilized into heat sealing machine welding；
（c）Active optical fiber fusion welding point protection device is provided, the good optical fiber of welding is placed in optical fiber storage tank, low refraction is used
Rate optical cement is coated to the welding area and stripping area of the optical fiber after welding, it is ensured that stripping area and welding area all by
Low-refraction optical cement is wrapped up；
（d）Using ultraviolet source to stripping area and the low-refraction optical cement surface cure of welding area；
（e）Use high index of refraction optical cement coating low-refraction optical cement surface, it is ensured that low-refraction optical cement is completely wrapped,
And fill the optical fiber storage tank of full whole substrate；
（f）Using ultraviolet source irradiation high index of refraction optical cement, high index of refraction optics adhesive curing is realized, optical fiber is completely fixed in
In optical fiber storage tank.
According to an embodiment of the present invention, wherein the representative value of above-mentioned low-refraction optical cement is 1.373.
According to an embodiment of the present invention, wherein above-mentioned passive fiber is exported by bundling device.
According to an embodiment of the present invention, wherein above-mentioned steps（d）With step（f）The ultraviolet source irradiation time not
Together, step（d）Time is step within 5 seconds（f）Time is within 10 seconds.
Compared with prior art, the application can be obtained including following technique effect：
1）Optical fiber is fixed on substrate by optical cement, substrate conveniently moving, is conducive to the coiling of optical fiber during final assembly.
2）Substrate is conducive to the coating of optical cement, it is to avoid in right angle groove class region using circular or oval-shaped groove
Interior generation bubble.
3）The coating of low-refraction optical cement ensure that the pump light of optical fiber inner cladding transmission is met entirely on clad interface
Conditioned reflex, realizes the high efficiency of transmission of light.
4）High index of refraction optical cement is conducive to spilling over the stripping of the light of low-refraction optical cement fractional transmission at optical fiber ablation point
From while the radiating of the heat produced beneficial to fusion point part.
Certainly, implementing any product of the application must be not necessarily required to while reaching all the above technique effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the schematic diagram of the Active Optical Fiber fusion connection point protection device of an embodiment of the present invention；
Fig. 2 is the substrate side view of an embodiment of the present invention；
Fig. 3 is the schematic diagram of the optical fiber after an embodiment of the present invention welding；
Fig. 4 is the thermal imagery curve map of the optical fiber during the fused fiber splice of an embodiment of the present invention.
Reference
Substrate 10, optical fiber storage tank 11, the optical fiber 20 after welding, passive fiber 21, Active Optical Fiber 22, low-refraction optical cement
30, high index of refraction optical cement 40.
Embodiment
Describe presently filed embodiment in detail below in conjunction with drawings and Examples, thereby how the application is applied
Technological means can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.
Please with reference first to Fig. 1, Fig. 1 is the schematic diagram of the Active Optical Fiber fusion connection point protection device of an embodiment of the present invention.
As illustrated, a kind of Active Optical Fiber fusion connection point protection device includes substrate 10；It is arranged at the optical fiber storage tank 11 of substrate 10, optical fiber
Storage tank 11 houses Active Optical Fiber 22 and passive fiber 21, and Active Optical Fiber 22 is connected with each other with passive fiber 21；And coating
In Active Optical Fiber 22 and the low-refraction optical cement 30 of passive fiber 21, the outer coating high index of refraction optics of low-refraction optical cement 30
Glue 40 simultaneously fills optical fiber storage tank 11.In an embodiment of the present invention, substrate 10 sets optical fiber storage tank 11, forms accommodating sky
Between, be conducive to the coating of optical cement, be that the movement of later stage optical fiber is carried while substrate 10 can be paved when optical cement produces solidification
High convenience and stability.
Please continue to refer to Fig. 2, Fig. 2 is the side view of substrate 10 of an embodiment of the present invention.As illustrated, optical fiber storage tank
11 are provided in round or oval-shaped groove.Thus one, be on the one hand conducive to the coating of optical cement；On the other hand avoid as
Fruit uses right angle groove, and the bubble produced during coating optical cement lifts airtight performance, improves fusion point quality of protection.It is worth one
It is mentioned that, substrate 10 is by high heat conductivity metal material, and such as aluminium, copper are into good heat dispersion performance is square with preferable ductility
Just the coating of optical cement.
It is the schematic diagram of the optical fiber after an embodiment of the present invention welding please also refer to Fig. 1 and Fig. 3, Fig. 3.The application is public
A kind of Active Optical Fiber fusion point guard method has been opened, including：
（a）Passive fiber 21 and Active Optical Fiber 22 are provided, and peeled off using heat-peeling forceps in passive fiber 21 and Active Optical Fiber 22
Coating layer segment beyond covering；It is to be understood that the passive fiber 21 that the present invention is provided exports for bundling device.
（b）The passive fiber 21 peeled off and Active Optical Fiber 22 are utilized into heat sealing machine welding；Heat sealing machine is to utilize high-tension electricity
Gently being promoted with high-precision motion mechanism while arc melts the section of 21 Active Optical Fiber of passive fiber 22 allows two optical fiber to merge
Cheng Yigen, to realize the coupling of optical fiber mode fields.
Because Doped ions composition is different in two sections of optical fiber, the hot absorption that two sections of optical fiber are produced to welding machine electrode is not
Together, in fusion process thermal imagery curve as shown in figure 4, along fiber lengths L directions fiber absorption heat curve, wherein being most partly by force
At optical fiber fusion welding point, the side of Active Optical Fiber 22 absorbs point in fusion point heat in the exterior amount, in actual fusion process during electrode discharge
Between it is longer, the distance of the heat absorption point and fusion point is more remote.
（c）Active optical fiber fusion welding point protection device is provided, the good optical fiber 20 of welding is placed in optical fiber storage tank 11, made
The welding area and stripping area of the optical fiber 20 after welding are coated with low-refraction optical cement 30, it is ensured that stripping area and
Welding area is all wrapped up by low-refraction optical cement 30；Ensure that the stripping area of whole welding completely cuts off completely with air.In this hair
In a bright embodiment, the representative value of low-refraction optical cement 30 is 1.373, and solidification effect is excellent, and stability is good.
（d）Using ultraviolet source to stripping area and the surface cure of low-refraction optical cement 30 of welding area；Isolation is empty
Gas, it is to avoid dust adsorption, causes the accumulation of heat, it is ensured that when pump light is transmitted in stripping area, light is met at inner cladding interface
The total reflection condition of line, realizes high efficiency of transmission.While it is noted that, irradiation time can not be long, optical cement easily occurs
Come off, in an embodiment of the present invention, can control irradiation hardening time within 5 seconds.
（e）Use the surface of the coating low-refraction of high index of refraction optical cement 40 optical cement 30, it is ensured that low-refraction optical cement 30
It is completely wrapped, and fills the optical fiber storage tank 11 of full whole substrate 10；Can be by bundling device using high index of refraction optical cement 40
The light that the pick-up point of output end passive fiber 21 is transferred in low-refraction optical cement 30 is peeled off, while being conducive to fusion point
The dissipation for the heat that region is produced.
（f）Using ultraviolet source irradiation high index of refraction optical cement, realize that high index of refraction optical cement 40 solidifies, optical fiber is complete
It is fixed in optical fiber storage tank, finally realizes that optical fiber is completely fixed on the substrate 10, the conveniently moving of substrate 10 is conducive to complete machine to fill
The coiling of optical fiber during matching somebody with somebody.It should be noted that in an embodiment of the present invention, to realize that high index of refraction optical cement 40 is complete
All solidstate, can control irradiation hardening time within 10 seconds.Solidify high index of refraction optical cement 40 simultaneously effectively to overflow pick-up point
Peeled off to low-refraction some light, realize the high efficiency and heat radiation of stripping area heat.
In summary, operation principle of the invention is as follows：
When the passive fiber 21 of bundling device tail optical fiber and 22 welding of Active Optical Fiber doped with rare earth ion, due to two at fusion point
Person's inside of optical fibre Doped ions composition is different, and the absorption that two sections of optical fiber produce heat to welding machine electrode is inconsistent, Active Optical Fiber
Deposited by extra heat absorption point when causing the inside rare earth ion absorptive pumping light of Active Optical Fiber 22 to inspire exciting light 22 parts
In temperature spot.The pump light for being enclosed with and being exported beneficial to bundling device is coated using low-refraction optical cement 30 to welding area
High efficiency of transmission；Secondary coating is carried out using high index of refraction optical cement 40 again, the pick-up point of bundling device output optical fibre is transferred to low
The stripping of light in refractive optical glue 30, while being conducive to the dissipation of fusion point region generation heat.Using two kinds of optics
The scheme of glue coating, advantageously ensures that the high efficiency of transmission of pump light, enters while spilling into low-refraction some light to pick-up point
Row is peeled off, and realizes the high efficiency and heat radiation of stripping area heat.
Some preferred embodiments of the application have shown and described in described above, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in application contemplated scope described herein
It is modified., then all should be in this Shen and the change and change that those skilled in the art are carried out do not depart from spirit and scope
Please be in the protection domain of appended claims.
Claims (7)
1. a kind of Active Optical Fiber fusion connection point protection device, it is characterised in that including：
Substrate；
It is arranged at the optical fiber storage tank of the substrate, the optical fiber storage tank houses Active Optical Fiber and passive fiber, and described has
Source optical fiber is connected with each other with the passive fiber；
The high refraction of coating outside the optical cement of one layer of low-refraction, low-refraction optical cement is coated on Active Optical Fiber and passive fiber
Rate optical cement, and fill whole optical fiber storage tank.
2. Active Optical Fiber fusion connection point protection device according to claim 1, it is characterised in that wherein described optical fiber storage tank
It is provided in round or oval-shaped groove.
3. Active Optical Fiber fusion connection point protection device according to claim 1, it is characterised in that wherein described substrate is by hyperpyrexia
Conductivity metal material is made, such as aluminium or copper.
4. the Active Optical Fiber fusion point guard method of Active Optical Fiber fusion connection point protection device according to claim 1, it is special
Levy and be, including：
（a）Passive fiber and Active Optical Fiber are provided, and peeled off using heat-peeling forceps beyond passive fiber and Active Optical Fiber inner cladding
Coating layer segment；
（b）The passive fiber peeled off and Active Optical Fiber are utilized into heat sealing machine welding；
（c）Active optical fiber fusion welding point protection device is provided, the good optical fiber of welding is placed in optical fiber storage tank, low refraction is used
Rate optical cement is coated to the welding area and stripping area of the optical fiber after welding, it is ensured that stripping area and welding area all by
Low-refraction optical cement is wrapped up；
（d）Using ultraviolet source to stripping area and the low-refraction optical cement surface cure of welding area；
（e）Use high index of refraction optical cement coating low-refraction optical cement surface, it is ensured that low-refraction optical cement is completely wrapped,
And fill the optical fiber storage tank of full whole substrate；
（f）Using ultraviolet source irradiation high index of refraction optical cement, high index of refraction optics adhesive curing is realized, optical fiber is completely fixed in
In optical fiber storage tank.
5. Active Optical Fiber fusion point guard method according to claim 4, it is characterised in that wherein described low-refraction light
The representative value for learning glue is 1.373.
6. Active Optical Fiber fusion point guard method according to claim 4, it is characterised in that wherein described passive fiber by
Bundling device is exported.
7. Active Optical Fiber fusion point guard method according to claim 4, it is characterised in that wherein described step（d）With
The step（f）The ultraviolet source irradiation time it is different, the step（d）Time is the step within 5 seconds（f）Time is
Within 10 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431701.4A CN107092054A (en) | 2017-06-09 | 2017-06-09 | A kind of Active Optical Fiber fusion connection point protection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431701.4A CN107092054A (en) | 2017-06-09 | 2017-06-09 | A kind of Active Optical Fiber fusion connection point protection device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107092054A true CN107092054A (en) | 2017-08-25 |
Family
ID=59639279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710431701.4A Withdrawn CN107092054A (en) | 2017-06-09 | 2017-06-09 | A kind of Active Optical Fiber fusion connection point protection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107092054A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133811A (en) * | 2019-04-16 | 2019-08-16 | 上海交通大学 | Envelope optical fiber superconducting tape optical fiber outlet wire protecting device and method in a kind of |
| JPWO2020171058A1 (en) * | 2019-02-21 | 2021-10-21 | 株式会社フジクラ | Optical fiber fixed structure, laser transmission cable using optical fiber fixed structure, and laser device |
| CN114063214A (en) * | 2021-10-25 | 2022-02-18 | 广东利元亨智能装备股份有限公司 | High-power optical fiber fusion point processing method and device |
| CN115980922A (en) * | 2023-02-27 | 2023-04-18 | 宁波海和通讯科技有限公司 | Optical fiber fusion point protection device for optical fiber hydrophone array and manufacturing method thereof |
-
2017
- 2017-06-09 CN CN201710431701.4A patent/CN107092054A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2020171058A1 (en) * | 2019-02-21 | 2021-10-21 | 株式会社フジクラ | Optical fiber fixed structure, laser transmission cable using optical fiber fixed structure, and laser device |
| US11828988B2 (en) | 2019-02-21 | 2023-11-28 | Fujikura Ltd. | Optical fiber fixing structure, laser transmission cable using optical fiber fixing structure, and laser device |
| CN110133811A (en) * | 2019-04-16 | 2019-08-16 | 上海交通大学 | Envelope optical fiber superconducting tape optical fiber outlet wire protecting device and method in a kind of |
| CN114063214A (en) * | 2021-10-25 | 2022-02-18 | 广东利元亨智能装备股份有限公司 | High-power optical fiber fusion point processing method and device |
| CN115980922A (en) * | 2023-02-27 | 2023-04-18 | 宁波海和通讯科技有限公司 | Optical fiber fusion point protection device for optical fiber hydrophone array and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107092054A (en) | A kind of Active Optical Fiber fusion connection point protection device and method | |
| CN106094111B (en) | A kind of processing method of welding optic fibre | |
| CN103904535B (en) | Cladding light filtering device for high-power optical fiber laser | |
| US20180045888A1 (en) | A structure of an input end of an optical fiber | |
| WO2019015586A1 (en) | High-power laser optical-fiber cladding light stripper and method for manufacture | |
| CN104377537B (en) | A kind of high-power fiber pump combiner and its packaging method | |
| CN105980894B (en) | Remaining light removes construction and optical fiber laser | |
| JP2009220180A (en) | Frit sealing system and method | |
| CN104185931B (en) | High-power metallic cladding mode absorber | |
| US6245194B1 (en) | Processed fiber for emission of energy into a medium and method therefor | |
| GB2263178A (en) | Splicing optical waveguides using solidifiable refractive index matching gel | |
| EP3188327A1 (en) | Optical fiber device | |
| CN102053305B (en) | Optical fiber, end part processing method of opticalfiber, and end part processing apparatus of optical fiber | |
| JP2013505190A (en) | Glass package for sealing device and system including glass package | |
| US20060088243A1 (en) | High-power fused collimator and associated methods | |
| TWI667853B (en) | High power fiber laser beam | |
| CN207074282U (en) | A kind of Active Optical Fiber fusion connection point protection device | |
| CN105703207A (en) | Optical fiber cladding layer optical power stripping device | |
| JP2003294979A (en) | Wavelength multiplex transmission device and method of fabricating the same | |
| US7403684B2 (en) | Optical fuse and component for fabricating optical fuse | |
| CN213633906U (en) | Dispersion optical fiber with hard dispersion head | |
| WO2016041416A1 (en) | Optical fiber cladding mode leakage method and device | |
| US6684015B2 (en) | Method of self-aligning optical waveguides | |
| US9457415B2 (en) | Water removing method, optical fiber soldering method, and semiconductor laser module manufacturing method | |
| CN107681419A (en) | Gain fibre radiator structure, gain fibre device and installation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170825 |
|
| WW01 | Invention patent application withdrawn after publication |