CN109407212A - Automatic corrosion device and method for double-clad optical fiber cladding - Google Patents
Automatic corrosion device and method for double-clad optical fiber cladding Download PDFInfo
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- CN109407212A CN109407212A CN201811245734.0A CN201811245734A CN109407212A CN 109407212 A CN109407212 A CN 109407212A CN 201811245734 A CN201811245734 A CN 201811245734A CN 109407212 A CN109407212 A CN 109407212A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 165
- 230000007797 corrosion Effects 0.000 title claims abstract description 55
- 238000005260 corrosion Methods 0.000 title claims abstract description 55
- 238000005253 cladding Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims description 84
- 238000012360 testing method Methods 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 29
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
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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
- G02B6/245—Removing protective coverings of light guides before coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present disclosure provides an apparatus and a method for automatically corroding a double-clad optical fiber cladding, the apparatus comprising: a fixed bracket (1); the optical fiber corrosion device (2) is arranged on the fixed bracket (1) and is used for corroding the optical fiber; the optical fiber moving device (3) is arranged on the fixed bracket (1) and is used for moving the optical fiber; and the control system (4) is connected with the optical fiber moving device (3) and is used for controlling the optical fiber moving device to move the optical fiber to be in contact with or separated from the corrosive liquid in the optical fiber corrosion device (2). The automatic corrosion device and the method for the double-clad optical fiber cladding do not need excessive participation of personnel, are simple and convenient to operate, and well realize the repeatability and the high efficiency of corrosion.
Description
Technical field
This disclosure relates to fiber laser technology field more particularly to a kind of double clad fiber cladding automatic corrosion device and
Method.
Background technique
In recent years, fiber laser technology is grown rapidly, and is obtained in fields such as industrial manufacture, biologic medical, national defense safeties
Extensive use is arrived.And improving a kind of effective scheme of output power is exactly to use master oscillation power amplification structure, that is, pass through by
Coupling pump light enters in the covering of doubly clad optical fiber, and when fibre core of the pump light in covering Jing Guo doped gain fiber is believed
Number light absorption, signal light are amplified；Since pump light is to propagate forward in spiral form when gain fibre transmits, covering
In pump light be not fully absorbed.Although researcher attempts research, various ways inhibit unabsorbed pump light,
It still suffers from a part of cladding light remnants to exist, excessive cladding light will produce it in the export head for being transferred to optical fiber laser
Raw damaging influence, causes laser stability to decline.In addition, excessive cladding light can also be such that the beam quality of optical-fiber laser produces
It is raw to deteriorate, influence the performance of optical fiber laser.Therefore, how cladding light to be stripped to filter out to be to continue with and promotes output power, improves
The key factor of output beam quality.
Currently, stripping there are mainly two types of cladding light technologies: one is the organic of high refractive index is coated on optical fiber inner cladding
High molecular material or metal material.Another kind is to be coated with corrosion material at the place of filtering out, and destroys covering table by corrosion fibre cladding
The smooth interface in face keeps its coarse, since cladding light is unsatisfactory for total reflection condition in interface and reveals.
Existing majority is all that corrosion doubly clad optical fiber is obtained by the mode of manual or static corrosion.For example, patent Shen
Please CN105372759A " the optical fiber wet etching method for cladding light stripper ", be exactly to be corroded out by static corrosion
The double clad fiber cladding roughness come is integrally consistent, and can not form an optical fiber surface roughness has light one for becoming weight slow
Slow region of variation causes cladding light to be revealed rapidly in the edge that covering destroys, and amount of heat deposits in zonule, and temperature rise is tight
Weight, to seriously affect the long-time steady operation of cladding light stripper.A kind of patent application CN107561641A " optical fiber packet
Layer high power strips combination unit and process for stripping ", the method corroded again after photoetching is used, and etchant solution needs pass through
Manual operation lifting platform moves up and down to realize, although completing one section of different degrees of corrosion of optical fiber, its operating process is multiple
It is miscellaneous, and artificial lifting platform operation cannot good control corrosion rate gradual change result and precision.
To sum up, the prior art is primarily present following technological deficiency:
(1) by static corrosion, the double clad fiber cladding roughness for corroding out is integrally consistent, can not form one
Optical fiber surface roughness has light one for becoming weight slowly region of variation, and cladding light is caused to be let out rapidly in the edge that covering destroys
Reveal, amount of heat deposition in zonule, temperature rise is serious, to seriously affect the long-time steady operation of cladding light stripper.
(2) artificial control corrosion rate is needed as a result, influence factor is more, cannot realize repeatability and high efficiency well.
Summary of the invention
(1) technical problems to be solved
Present disclose provides a kind of double clad fiber cladding automatic corrosion device and methods, at least partly to solve the above institute
?.
(2) technical solution
According to one aspect of the disclosure, a kind of double clad fiber cladding automatic corrosion device is provided, comprising:
Fixed bracket；
Fiber optical corrosive device is arranged on the fixed bracket, for corroding optical fiber；
Optical fiber mobile device is arranged on the fixed bracket, for moving the optical fiber；And
Control system is connect with the optical fiber mobile device, for controlling the mobile optical fiber of the optical fiber mobile device,
To contact or be detached from the corrosive liquid in the fiber optical corrosive device.
In some embodiments, the fiber optical corrosive device is arranged below the optical fiber mobile device, the control system
System controls the optical fiber mobile device, keeps the optical fiber mobile towards or away from the etchant solution in the fiber optical corrosive device,
It is operated with the lower fibre of completion, into fine and upper fibre.
In some embodiments, the optical fiber mobile device includes: optical fiber fixed link, stepper motor and device fixed link；
The optical fiber fixed link, for fixing optical fiber；
Described device fixed link, one end are connect with the fixed bracket, and the other end is connect with the stepper motor, will
The optical fiber mobile device is fixed on the fixed bracket；
The stepper motor is connect with the control system and optical fiber fixed link；
Wherein, the control system controls the stepper motor, moves up and down the optical fiber fixed link, thus
Drive the optical fiber mobile, to contact or be detached from the corrosive liquid in the fiber optical corrosive device.
In some embodiments, the optical fiber fixed link includes: rectangular iron and optical fiber cover board, and the rectangular iron has
One U-shaped groove, can be such that the optical fiber with overlay is put into, and a wherein surface for the optical fiber cover board is connect with rectangular iron and energy
Enough rotations, another surface are magnetic material, by attracting to fixed optical fiber with rectangular iron.
In some embodiments, the fiber optical corrosive device includes:
Test tube, for containing etchant solution；
Test tube clamp, one end are connect with the fixed bracket, and the other end is clamped with the test tube；And
Cap test tube is made of plastic material, has a hole among it, pass through optical fiber.
In some embodiments, the fixed bracket includes:
Bracket base；
Support rod is fixed on the bracket base；
Two removable movable sliders, are arranged on the support rod, one of them connect with described device fixed link, another
It is connect with the test tube clamp；And
Optical fiber steady arm is located on the support rod, for supporting the optical fiber.
In some embodiments, the removable movable slider includes U-shaped sliding block and fixed block, and the U-shaped sliding block can be in institute
It states and is moved up and down on support rod, the fixed block is for cooperating the fixed optical fiber mobile device of U-shaped sliding block and fiber optical corrosive dress
It sets.
In some embodiments, the optical fiber steady arm is concave shape, including two vertical squares and a lateral connection
Block, wherein described two vertical squares are fixed by screws on the lateral connection block, the lateral connection block passes through fixation
The vertical square of screw connection and support rod.
A kind of double clad fiber cladding automatic corrosion method another aspect of the present disclosure provides, comprising:
Etchant solution is placed in fiber optical corrosive device；
Doubly clad optical fiber is placed in optical fiber mobile device；
Fine distance/optical fiber movement speed under being arranged in control system, into fine distance/optical fiber step distance, upper fibre apart from/
Upper fibre speed parameter；And
Control system is mobile according to the state modulator optical fiber mobile device, lower fibre is completed, into fine, upper fine operation, until packet
Layer corrosion terminates.
In some embodiments, the lower fine distance parameter is between 9600~80000 microns, optical fiber movement speed model
It encloses for 5000~20000 micro- meter per seconds；Into fine distance parameter between 10000~80000 microns, optical fiber step distance is 500
~10000 microns every time；For upper fibre distance parameter between 5000~100000 microns, upper fibre speed is micro- between 100~1000
Between meter per second.
(3) beneficial effect
It can be seen from the above technical proposal that disclosure double clad fiber cladding automatic corrosion device and method at least has
One of following beneficial effect:
(1) disclosure automatic corrosion device does not need overstaffed participation, simple to operate, realizes corruption well
The repeatability and high efficiency of erosion.
(2) automatically moving for optical fiber may be implemented in disclosure combination control system control, reaches automatic corrosion effect.Pass through
The motor of control optical fiber mobile device moves up and down, and thus optical fiber is driven to move up and down, and mobile accuracy, can be in micron dimension
It realizes the accurate corrosion of optical fiber, while not needing manual operation, high reproducibility may be implemented.
(3) the uniform gradual change of fibre cladding corrosion may be implemented in the disclosure, is being corroded using optical fiber mobile device control optical fiber
Movement in solution, so that the etching time with root optical fiber different location is different, corrosive effect is different, and it is tired thus to reduce heat
Meter, to guarantee long-time steady operation while realizing efficient covering photospallation.
Detailed description of the invention
Fig. 1 is disclosure double clad fiber cladding automatic corrosion apparatus structure schematic diagram.
Fig. 2 is disclosure fixing rack structure schematic diagram.
Fig. 3 is disclosure fiber optical corrosive apparatus structure schematic diagram.
Fig. 4 is disclosure optical fiber mobile device and control system architecture schematic diagram.
Fig. 5 is disclosure double clad fiber cladding automatic corrosion method flow diagram.
<symbol description>
1- fixes bracket, 2- fiber optical corrosive device, 3- optical fiber mobile device, 4- control system, 5- optical fiber；
The removable movable slider of 11-, 12- bracket base, 13- support rod, 14- optical fiber steady arm, 111-U type sliding block, 112- are rotten
Lose device fixed block, 113- mobile device fixed block, the vertical square of 141-, 142- lateral connection block；
21- test tube, 22- test tube clamp, 23- cap test tube, 211- etchant solution；
31- optical fiber fixed link, 32- stepper motor, 33- device fixed link, the rectangular iron of 311-, 312- optical fiber cover board, 41-
Cable.
Specific embodiment
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
Present disclose provides a kind of covering automatic corrosion device of doubly clad optical fiber, which includes:
Fixed bracket；
Fiber optical corrosive device is arranged on the fixed bracket, for corroding optical fiber；
Optical fiber mobile device is arranged on the fixed bracket, for moving the optical fiber；And
Control system is connect with the optical fiber mobile device, for controlling the mobile optical fiber of the optical fiber mobile device,
To contact or be detached from the corrosive liquid in the fiber optical corrosive device.
In one embodiment, as shown in Figure 1, the double clad fiber cladding automatic corrosion device is mainly fixed including device
Bracket 1 (referred to as fixed bracket), fiber optical corrosive device 2, optical fiber mobile device 3 and control system 4.Control system 4 can pass through
Cable 41 is connect with the stepper motor 32 in optical fiber mobile device 3, and fiber optical corrosive device 2 is with optical fiber mobile device 3 respectively by trying
Pipe clamp 22 and mobile device fixed link 33 are connected with the support rod 13 in fixed bracket.Wherein, the position of test tube 21 is located at optical fiber
The underface of fixed link 31 drives optical fiber fixed link 31 to move up and down by motor, to drive optical fiber mobile.
Further, as shown in Figs 1-4, the fixed bracket specifically includes that removable movable slider 11, bracket base 12, branch
Strut 13, optical fiber steady arm 14.Wherein a removable movable slider 11 includes: U-shaped sliding block 111 and mobile device fixed block 113；It is another
Removable movable slider 11 includes: U-shaped sliding block 111 and corrosion device fixed block 112.The U-shaped sliding block 111 can be on support rod on
Lower movement, fixed block 113,112 mainly cooperate the fixed mobile device of U-shaped sliding block 111 and corrosion device；Bracket base 12 uses iron
Matter or aluminum material composition, are mainly used for stablizing entire automatic corrosion device；Support rod 13 is made of ferrous material, main
It acts on to make corrosion device and being moved through device to be fixed on this support rod；Optical fiber steady arm 14 is concave shape, mainly includes
Two vertical squares 141, lateral connection block 142, the vertical square 141 of two of them are screwed on lateral connection block 142,
Lateral connection block connects vertical square 141 and support rod 13 by fixed screw, and whole is in concave, mainly in fiber optical corrosive mistake
Uncorroded fiber support is shielded in journey.
The fiber optical corrosive device includes: corrosion test tube 21, test tube clamp 22, cap test tube 23.Wherein, the corrosion test tube 21
Mainly play a part of to contain etchant solution, capacity scale is equipped on test tube, can be chosen and be held according to the corrosion length of optical fiber
Amount number, the corrosion test tube is made of corrosion resistant material.Etchant solution 211 can be the etchant solutions such as hydrofluoric acid,
It can be according to the concentration for the size adjustment etchant solution 211 that optical fiber needs to corrode, for example, large core fiber is because of the larger needs of covering
Etchant solution concentration it is big, small core optical fibers are small because of the etchant solution concentration of the small needs of covering.The test tube clamp 22 mainly rises solid
Determine the effect of test tube, while also entire fiber optical corrosive device being connected with fixed bracket 1, is being soft material with test tube connecting place
It is made and avoids destroying corrosion test tube 21, and it adjusts the elastic disassembly to realization to corrosion test tube 21 of test tube by screw；
Cap test tube 23 is mainly made of plastic material, is equipped with an aperture among it to allow optical fiber to pass through, effect is to make to take off painting
Also the volatilization of etchant solution can be prevented while the optical fiber of coating can protrude into etchant solution 211.The group of the fiber optical corrosive device
Dress sequence is corrosion test tube 21 to be fixed on test tube clamp 22 first, the other end of test tube clamp 22 is fixed on bracket 1；Again will
The etchant solution 211 prepared pours into corrosion test tube 21；Then by optical fiber 5 through one in the aperture of cap test tube 23, gone through
Head takes off overlay and is cleaned with alcohol as needed；The doubly clad optical fiber 5 for needing to corrode length is finally inserted into etchant solution
In, cover cap test tube 23.
The optical fiber mobile device specifically includes that optical fiber fixed link 31, stepper motor 32, device fixed link 33.Wherein, institute
Stating optical fiber fixed link 31 includes rectangular iron 311 and optical fiber cover board 312, and rectangular iron 311 has a U-shaped groove, and band is allowed to apply
The optical fiber of coating is put into, and 312 one side of optical fiber cover board connect with rectangular iron and can rotate, and another side contains magnetic material, can
With attracting to fixed optical fiber with rectangular iron, and it is made with optical fiber contact part of flexible plastic material, to prevent optical fiber
Coat crushes.Stepper motor 32, which is connected by cable 41 with control system 4, realizes control to stepper motor, while stepper motor
32 are connected with optical fiber fixed link 31, and optical fiber fixed link 31 is driven to realize that micron-sized up and down direction stepping and micron order are continuous
Property moves up and down, and stepper motor 32 is connect with device fixed link 33, and stepper motor 32, optical fiber fixed link 31 is made to be linked as one
Body.
The disclosure additionally provides a kind of covering automatic corrosion method of doubly clad optical fiber, which includes:
Etchant solution is placed in fiber optical corrosive device；
Doubly clad optical fiber is placed in optical fiber mobile device；
Fine distance/optical fiber movement speed under being arranged in control system, into fine distance/optical fiber step distance, upper fibre apart from/
Upper fibre speed parameter；And
Control system is mobile according to the state modulator optical fiber mobile device, lower fibre is completed, into fine, upper fine operation, until packet
Layer corrosion terminates.
Disclosure double clad fiber cladding automatic corrosion device and method may be implemented the gradual change corrosion of fibre cladding, make
It obtains cladding light uniformly to leak, reduces heat deposition.
In one embodiment, as shown in figure 5, disclosure double clad fiber cladding automatic corrosion method the following steps are included:
S1 starts control system.The initial reset key in control software is clicked, at this point, optical fiber mobile device is downward upwards
It is moved to initial position.
S2 takes off optical fiber coating.One of optical fiber is gone through from the hole in 23 cap test tubes, 5 can be taken off as needed
The optical fiber coating of~8cm, and use the cotton wiped clean for being moistened with dehydrated alcohol cleaning, it is ensured that take off the optical fiber of coat
Any surface finish.
S3, configuration corrosive liquid place optical fiber.A certain amount of hydrofluoric acid solution is chosen first, is 20/ used in laboratory
The doubly clad optical fiber of 400 (NA=0.08), by the multiple trial of experiment, with taking the etchant solution 211 of debita spissitudo to be packed into corruption
It loses in test tube 21, the amount of solution does not exceed the maximum range of corrosion test tube 21；The first step is not gone to the optical fiber 5 one of coat
End is stuck in optical fiber fixed link 31, and is fixed with optical fiber cover board, and the other end of optical fiber 5 is hung in fiber support bar 14, finally
Cover cap test tube 23.
S4, parameter setting.Control software can control stepping, continuous, upper fine, lower fibre, and wherein step function can be manual
Adjust stepping apart from size, size minimum can be adjusted to micron order, and continuous function can be with the continuity of adjust automatically optical fiber
Move up and down, movement size can also be in micron dimension；Fibre is pressed by control software, the sequence into fine, upper fibre carries out
Parameter setting:
The parameter area of 4.1 lower fibre L1 distances between 9600~80000 microns, optical fiber movement speed range for 5000~
20000 micron per minutes, lower fibre parameter setting guarantee to need the fibre cladding end face corroded that can touch corrosive liquid.
4.2 into fine L2 distance parameter area be 10000~80000 microns between, optical fiber step distance be 500~
10000 microns every time, guarantees that the fibre cladding for needing to corrode all is soaked as in fiber optical corrosive liquid into fine parameter setting.
On 4.3 the parameter area of fibre L3 distance be 5000~100000 microns between, it is upper fibre speed setting range be 100~
It is big that 1000 micron per minutes, speed and distance controlling make the optical fiber of corrosion obtain corrosion accordingly while being all detached from corrosive liquid
It is small.
4.4 operators can click acknowledgement key manually, and control software saves parameter.
S5, fiber optical corrosive: clicking start key, and the motor of optical fiber mobile device receives the instruction of lower fibre, under executing continuously
Fibre operation, optical fiber mobile device move down, moving distance L1；It clicks into fine key, optical fiber mobile device is received into delicate fingers
It enables, according to mobile, the moving distance L2 into fine step distance of setting；Corrosion key is clicked, optical fiber mobile device motor receives
Upper delicate fingers enables, and the upper fibre of executions operates, optical fiber brake apparatus with it is micron-sized it is slow-paced move up, moving distance L3,
Entire corrosion process is completed.
S6 takes out optical fiber, closes control system.Optical fiber cover board is opened, optical fiber is taken out, lives to corrode examination with no pitting corrosion cap
Pipe resets optical fiber mobile device, closes control system.
In disclosed method step, optical fiber is formed using the method for two step etch in the outer surface of inner cladding stable thick
Matte, remaining cladding light is stripped by diffusing reflection when application, is removed coat additionally, due to using the concentrated sulfuric acid, is not only facilitated
Quickly, and removal is very clean, and any coat will not be remained on inner cladding, makes that its is heat-resisting and heat dissipation performance is excellent.
So far, attached drawing is had been combined the embodiment of the present disclosure is described in detail.According to above description, art technology
Personnel should have clear understanding to the disclosure.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
It is not limited only to various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out letter to it
It singly changes or replaces.
Certainly, according to actual needs, the step of method of disclosure also includes other, due to the same disclosure innovation without
It closes, details are not described herein again.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail bright, it should be understood that the foregoing is merely the specific embodiment of the disclosure, be not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the disclosure
Within the scope of.
Claims (10)
1. a kind of double clad fiber cladding automatic corrosion device, comprising:
Fixed bracket (1)；
Fiber optical corrosive device (2) is arranged on the fixed bracket (1), for corroding optical fiber；
Optical fiber mobile device (3) is arranged on the fixed bracket (1), for moving the optical fiber；And
Control system (4) is connect with the optical fiber mobile device (3), for controlling the mobile light of the optical fiber mobile device
Fibre, to contact or be detached from the corrosive liquid in the fiber optical corrosive device (2).
2. device as described in claim 1, wherein the fiber optical corrosive device (2) is arranged in the optical fiber mobile device (3)
Lower section, the control system (4) control the optical fiber mobile device (3), make the optical fiber towards or away from the fiber optical corrosive
Etchant solution movement in device (2) is operated with the lower fibre of completion, into fine and upper fibre.
3. device as claimed in claim 1 or 2, wherein the optical fiber mobile device (3) includes: optical fiber fixed link (31), step
Into motor (32) and device fixed link (33)；
The optical fiber fixed link (31), for fixing optical fiber；
Described device fixed link (33), one end are connect with the fixed bracket (1), and the other end and the stepper motor (32) are even
It connects, the optical fiber mobile device is fixed on the fixed bracket (1)；
The stepper motor (32), connect with the control system (4) and optical fiber fixed link (31)；
Wherein, the control system (4) controls the stepper motor (32), makes to move down on the optical fiber fixed link (33)
It is dynamic, to drive the optical fiber mobile, to contact or be detached from the corrosive liquid in the fiber optical corrosive device (2).
4. device as claimed in claim 3, wherein the optical fiber fixed link (31) includes: rectangular iron (311) and fiber cover
Plate (312), the rectangular iron (311) have a U-shaped groove, the optical fiber with overlay can be made to be put into, the optical fiber cover board
(312) a wherein surface connect and can rotate with rectangular iron (311), another surface be magnetic material, by with it is rectangular
Iron (311) is attracting to fixed optical fiber.
5. device as claimed in claim 3, wherein the fiber optical corrosive device (2) includes:
Test tube (21), for containing etchant solution (211)；
Test tube clamp (22), one end are connect with the fixed bracket (1), and the other end is clamped with the test tube (21)；And
Cap test tube (23), is made of plastic material, has a hole among it, pass through optical fiber.
6. device as claimed in claim 5, wherein the fixed bracket (1) includes:
Bracket base (12)；
Support rod (13) is fixed on the bracket base (12)；
Two removable movable sliders (11), are arranged on the support rod (13), one of them and described device fixed link (33)
Connection, it is another to be connect with the test tube clamp (22)；And
Optical fiber steady arm (14) is located on the support rod (13), for supporting the optical fiber.
7. device as claimed in claim 6, wherein the removable movable slider (11) includes U-shaped sliding block (111) and fixed block
(112,113), the U-shaped sliding block can move up and down on the support rod (13), and the fixed block is for cooperating U-shaped sliding block
(111) the fixed optical fiber mobile device and fiber optical corrosive device.
8. device as claimed in claim 6, wherein the optical fiber steady arm (14) is concave shape, including two vertical sides
Block (141) and a lateral connection block (142), connect wherein described two vertical squares (141) are fixed by screws in the transverse direction
It connects on block (142), the lateral connection block connects vertical square (141) and support rod (13) by fixed screw.
9. a kind of double clad fiber cladding automatic corrosion method, comprising:
Etchant solution is placed in fiber optical corrosive device；
Doubly clad optical fiber is placed in optical fiber mobile device；
Fine distance/optical fiber movement speed under being arranged in control system, into fine distance/optical fiber step distance, upper fine distance/above fine
Speed parameter；And
Control system is mobile according to the state modulator optical fiber mobile device, lower fibre is completed, into fine, upper fine operation, until covering is rotten
Erosion terminates.
10. method as claimed in claim 9, wherein the lower fine distance parameter is between 9600~80000 microns, light
Fine movement speed range is 5000~20000 micro- meter per seconds；Into fine distance parameter between 10000~80000 microns, optical fiber
Step distance is 500~10000 microns each；Between 5000~100000 microns, upper fibre speed is situated between upper fibre distance parameter
Between 100~1000 micro- meter per seconds.
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