CN106873078A - Micro- deformation high mechanical properties welding process of microstructured optical fibers and quartz capillary - Google Patents
Micro- deformation high mechanical properties welding process of microstructured optical fibers and quartz capillary Download PDFInfo
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- CN106873078A CN106873078A CN201710256741.XA CN201710256741A CN106873078A CN 106873078 A CN106873078 A CN 106873078A CN 201710256741 A CN201710256741 A CN 201710256741A CN 106873078 A CN106873078 A CN 106873078A
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- discharge
- optical fibers
- microstructured optical
- quartz capillary
- solder joint
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- 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
- G02B6/2558—Reinforcement of splice joint
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- 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
- G02B6/2553—Splicing machines, e.g. optical fibre fusion splicer
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The present invention provides micro- deformation high mechanical properties welding process of a kind of microstructured optical fibers and quartz capillary, belong to optical fiber optical field, to solve when current method welding microstructured optical fibers and quartz capillary, the solder joint mechanical strength of formation is small, reliability problem not high.Including：Pretreatment：Microstructured optical fibers and quartz capillary are immersed in remove coat in acetone soln, with alcohol is by their wiped cleans and cuts flat with respectively；Optimization electrical discharge arc parameter：The two that obtain will be pre-processed to be placed between two sparking electrodes of heat sealing machine, it is optimization electrical discharge arc parameter that selection will not cause them to produce the maximum discharge current of deformation and maximum discharge time；Form solder joint：Welded them together using the electric arc of optimization, form the solder joint of micro- deformation low mechanical strength；Strengthen the mechanical strength of solder joint：Multiple additional discharge is carried out less than the additional electric arc of microstructured optical fibers heat transfer time using with welding identical discharge current, discharge time, strengthens the mechanical strength of solder joint.
Description
Technical field
The present invention relates to optical fiber optical technical field, more particularly to a kind of microstructured optical fibers and quartz capillary micro- deformation
High mechanical properties welding process.
Background technology
Microstructured optical fibers are a kind of novel optical fibers, with the presence of axial air hole in its fibre cladding, when filling in airport
After fluid, the light of transmission is limited in same cavity with fluid in optical fiber, it is possible to achieve higher efficiency ground light and material
Interact.Simultaneously as the external diameter of microstructured optical fibers only has 125 microns, the volume of optofluidic device can be greatly reduced,
Miniaturization and the transmission control integration of optofluidic device are realized, is optofluidic device future thrust.Based on microstructured optical fibers
Optofluidic device research process in, microstructured optical fibers need to carry out welding with quartz capillary, and microstructured optical fibers and quartz
The deformation degree and mechanical strength of capillary directly determine the flow velocity and acoustic characteristic of fluid in device, therefore, small deformation
With the prerequisite that mechanical strength high is optofluidic device reliability.
The welding research of Conventional microstructure optical fiber focuses primarily upon weld micro- knot with how realizing low-loss high mechanical properties
Structure optical fiber and single-mode fiber, wherein by setting an offset or dish, heat is concentrated mainly on the single-mode fiber of total solids,
And then ensure micro- deformation of microstructured optical fibers.However, the method is not suitable for welding microstructured optical fibers and quartz capillary, because
For biasing can cause quartz capillary deformation.Therefore, at present in welding microstructured optical fibers and quartz capillary, can only be by drop
Low discharge electric current and shorten discharge time and ensure the not deformation or Light deformation of microstructured optical fibers and quartz capillary, but it is this
In the case of formed solder joint mechanical strength it is very weak.The heat seal strength unit of optical fiber is kpsi (kilo-pound-force
Per square-inch), and in the case where deformation is not produced, shorten discharge time and weld micro- by reducing electric discharge and electric current
The mechanical strength of the solder joint that structured optical fiber and quartz capillary are formed is generally near 10kpsi, and reliability cannot be ensured.
The content of the invention
Present invention aim to address when current method welding microstructured optical fibers and quartz capillary, the solder joint of formation is mechanical
Intensity is small, reliability technical problem not high, there is provided micro- deformation high mechanical properties of a kind of microstructured optical fibers and quartz capillary
Welding process.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of micro- deformation high mechanical properties welding process of microstructured optical fibers and quartz capillary, it is characterised in that including
Following steps：
Step 1, pretreatment：Microstructured optical fibers and quartz capillary are immersed in acetone soln, immersion 8-15 minutes with
Removal coat, then with alcohol is by microstructured optical fibers and quartz capillary wiped clean and cuts flat with respectively；
Step 2, optimizes electrical discharge arc parameter：The microstructured optical fibers and quartz capillary that step 1 pretreatment is obtained are placed
Between two sparking electrodes of heat sealing machine, by contrast have different discharge currents and the arc discharge of discharge time under, micro- knot
The deformation situation of structure optical fiber and quartz capillary, selection will not cause microstructured optical fibers and quartz capillary to produce the maximum of deformation
Discharge current and maximum discharge time are optimization electrical discharge arc parameter；
Step 3, forms solder joint：Optimize the electric arc of electrical discharge arc parameter by microstructured optical fibers and quartzy capillary using step 2
Pipe welds together, and forms the solder joint of micro- deformation low mechanical strength；
Step 4, strengthens the mechanical strength of solder joint：Using with step 3 in welding identical discharge current, discharge time it is small
Multiple additional discharge is carried out in the additional electric arc of microstructured optical fibers heat transfer time, strengthens the mechanical strength of solder joint.
Alternatively, the maximum discharge current that the electric arc of electrical discharge arc parameter is optimized in the step 3 is 19 milliamperes, maximum is put
The electric time is 120 milliseconds；In the step 4 discharge current of additional electric arc be 19 milliamperes, discharge time be 30 milliseconds, it is additional to put
Electric number of times is 15-20 times.
The beneficial effects of the invention are as follows：
It is divided into two steps, i.e. electric discharge first using the electric arc welding micro-structural for optimizing electrical discharge arc parameter by by fusion process
Optical fiber and quartz capillary form a solder joint for micro- deformation low mechanical strength, then using discharge current it is identical, put
The electric time carries out multiple discharge to improve the mechanical strength of solder joint less than the additional electric arc of microstructured optical fibers heat transfer time, not only
The deformation of solder joint is efficiently reduced, and improves the mechanical strength of solder joint, thus improve the reliability of microstructured optical fibers.
Therefore, compared with background technology, the invention has the advantages that：
(1) deformation quantity of microstructured optical fibers and quartz capillary, is significantly decreased, it is reduced in optofluidic device
The influence of the flow velocity and acoustic characteristic of fluid；
(2) mechanical strength of solder joint, is significantly increased, microstructured optical fibers reliability in actual applications is improve.
Brief description of the drawings
Fig. 1 is the schematic diagram of microstructured optical fibers of the present invention and quartz capillary fusion process；
Fig. 2 is that the present invention strengthens microstructured optical fibers and quartz capillary strengthens the process schematic of solder joint mechanical strength；
Fig. 3 is the product schematic diagram that the present invention is obtained.
In figure：1- microstructured optical fibers；2- quartz capillaries；Two sparking electrodes of 3-.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As shown in figure 1, micro- deformation high mechanical properties welding side of the microstructured optical fibers and quartz capillary in the present embodiment
Method, it comprises the following steps：
Step 1, pretreatment：Microstructured optical fibers and quartz capillary are immersed in acetone soln, soak 10 minutes to go
Except coat, then with alcohol is by microstructured optical fibers and quartz capillary wiped clean and cuts flat with respectively；
Step 2, optimizes electrical discharge arc parameter：The microstructured optical fibers and quartz capillary that step 1 pretreatment is obtained are placed
Between two sparking electrodes of heat sealing machine, by contrast have different discharge currents and the arc discharge of discharge time under, micro- knot
The deformation situation of structure optical fiber and quartz capillary, selection will not cause microstructured optical fibers and quartz capillary to produce the maximum of deformation
Discharge current and maximum discharge time are optimization electrical discharge arc parameter；
Step 3, forms solder joint：Optimize the electric arc of electrical discharge arc parameter by microstructured optical fibers and quartzy capillary using step 2
Pipe welds together, and forms the solder joint of micro- deformation low mechanical strength；
Step 4, strengthens the mechanical strength of solder joint：Using with step 3 in welding identical discharge current, discharge time it is small
Multiple additional discharge is carried out in the additional electric arc of microstructured optical fibers heat transfer time, strengthens the mechanical strength of solder joint.
Alternatively, the maximum discharge current that the electric arc of electrical discharge arc parameter is optimized in the step 3 is 19 milliamperes, maximum is put
The electric time is 120 milliseconds；In the step 4 discharge current of additional electric arc be 19 milliamperes, discharge time be 30 milliseconds, it is additional to put
Electric number of times is 15-20 times.
Wherein, in step 4, the heat transfer time T of microstructured optical fibers, i.e. heat are delivered to fibre from microstructured optical fibers outer surface
The time T that core forms unified temperature and needs can be calculated by equation below (1)：
In formula (1), SSIt is the area of heat transfer of single-mode fiber, SMIt is the area of heat transfer of microstructured optical fibers, D is single mode
The diameter of optical fiber, α is optical fiber thermal diffusion coefficient.
As shown in figure 1, directly be placed between two electrodes 3 for microstructured optical fibers 1 and quartz capillary 2 by the present invention, lead to
Cross different discharge currents and under discharge time microstructured optical fibers 1 and quartz capillary 2 deformation situation, select and do not produce deformation
Maximum discharge current and maximum discharge time.Through experiment test, microstructured optical fibers 1 and quartz capillary 2 do not produce deformation
Maximum discharge current is 19 milliamperes, and maximum discharge time is 120 milliseconds.
As shown in Fig. 2 will weld the solder joint for being formed being located between two electrodes 3, then the electric discharge electricity of additional electric arc is set
It is 19 milliamperes to flow, and discharge time is 30 milliseconds, using additional electrical arcing butt welding point multiple discharge strengthening the mechanical strength of solder joint.
Fig. 3 is the solder joint pictorial diagram obtained using the present invention, and deformation of the invention is very small as seen from Figure 3.It is real
Test is tried, and from 10kpsi can be lifted approximately in microstructured optical fibers itself mechanical strength of solder joint by the solder joint that the present invention is obtained
The 31kpsi of mechanical strength, mechanical strength improves 2 times.
Claims (2)
1. micro- deformation high mechanical properties welding process of a kind of microstructured optical fibers and quartz capillary, it is characterised in that including such as
Lower step：
Step 1, pretreatment：Microstructured optical fibers and quartz capillary are immersed in acetone soln, soak 8-15 minutes to remove
Coat, then with alcohol is by microstructured optical fibers and quartz capillary wiped clean and cuts flat with respectively；
Step 2, optimizes electrical discharge arc parameter：The microstructured optical fibers and quartz capillary that step 1 pretreatment is obtained are placed on molten
Pick between two sparking electrodes, under there are different discharge currents and the arc discharge of discharge time by contrast, micro-structural light
The deformation situation of fine and quartz capillary, selection will not cause microstructured optical fibers and quartz capillary to produce the maximum electric discharge of deformation
Electric current and maximum discharge time are optimization electrical discharge arc parameter；
Step 3, forms solder joint：The electric arc for optimizing electrical discharge arc parameter using step 2 welds microstructured optical fibers and quartz capillary
It is connected together, forms the solder joint of micro- deformation low mechanical strength；
Step 4, strengthens the mechanical strength of solder joint：Using with step 3 in welding identical discharge current, discharge time less than micro-
The additional electric arc of structured optical fiber heat transfer time carries out multiple additional discharge, strengthens the mechanical strength of solder joint.
2. micro- deformation high mechanical properties welding process of microstructured optical fibers according to claim 1 and quartz capillary, its
It is characterised by,
The maximum discharge current for optimizing the electric arc of electrical discharge arc parameter in the step 3 is 19 milliamperes, maximum discharge time is 120
Millisecond；
In the step 4 discharge current of additional electric arc be 19 milliamperes, discharge time be 30 milliseconds, additional discharge number of times be 15-
20 times.
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| CN201710256741.XA CN106873078B (en) | 2017-04-19 | 2017-04-19 | Micro- deformation high mechanical strength welding process of microstructured optical fibers and quartz capillary |
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| CN201710256741.XA CN106873078B (en) | 2017-04-19 | 2017-04-19 | Micro- deformation high mechanical strength welding process of microstructured optical fibers and quartz capillary |
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| CN106873078A true CN106873078A (en) | 2017-06-20 |
| CN106873078B CN106873078B (en) | 2019-04-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613651A (en) * | 2018-12-12 | 2019-04-12 | 南京吉隆光纤通信股份有限公司 | A kind of welding process enhancing optical fiber fusion welding point intensity |
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN111352188A (en) * | 2020-01-09 | 2020-06-30 | 陕西华燕航空仪表有限公司 | Optical fiber fusion splicing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374874A (en) * | 2011-09-20 | 2012-03-14 | 重庆大学 | Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof |
| CN104345046A (en) * | 2013-08-03 | 2015-02-11 | 重庆绿色智能技术研究院 | Optical fiber interferometer, optical fiber sensor and production method thereof |
| CN105865614A (en) * | 2016-06-14 | 2016-08-17 | 中北大学 | Novel optical fiber fabry-perot ultrasonic hydrophone and manufacturing method thereof |
-
2017
- 2017-04-19 CN CN201710256741.XA patent/CN106873078B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374874A (en) * | 2011-09-20 | 2012-03-14 | 重庆大学 | Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof |
| CN104345046A (en) * | 2013-08-03 | 2015-02-11 | 重庆绿色智能技术研究院 | Optical fiber interferometer, optical fiber sensor and production method thereof |
| CN105865614A (en) * | 2016-06-14 | 2016-08-17 | 中北大学 | Novel optical fiber fabry-perot ultrasonic hydrophone and manufacturing method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613651A (en) * | 2018-12-12 | 2019-04-12 | 南京吉隆光纤通信股份有限公司 | A kind of welding process enhancing optical fiber fusion welding point intensity |
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN111352188A (en) * | 2020-01-09 | 2020-06-30 | 陕西华燕航空仪表有限公司 | Optical fiber fusion splicing method |
| CN111352188B (en) * | 2020-01-09 | 2022-05-24 | 陕西华燕航空仪表有限公司 | Optical fiber welding method |
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| CN106873078B (en) | 2019-04-05 |
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