CN110429464A - A kind of superpower laser bundling device - Google Patents
A kind of superpower laser bundling device Download PDFInfo
- Publication number
- CN110429464A CN110429464A CN201910653712.6A CN201910653712A CN110429464A CN 110429464 A CN110429464 A CN 110429464A CN 201910653712 A CN201910653712 A CN 201910653712A CN 110429464 A CN110429464 A CN 110429464A
- Authority
- CN
- China
- Prior art keywords
- glass tube
- bundling device
- optical fiber
- fiber
- optical
- 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.)
- Pending
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
- G02B6/245—Removing protective coverings of light guides before coupling
-
- 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
- G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
-
- 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
-
- 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
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2383—Parallel arrangements
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a kind of superpower laser bundling devices, belong to field of lasers, including laser generating unit, sensing module；Wherein laser generating unit is by the fused fiber splice that exports multiple LD modules on bundling device, by being pre-processed to quartz glass tube, optical fiber, selection is suitable to draw cone ratio and cutting angle, reduce drawing cone loss, the uniformity for improving fusion point, reduces the generation of bubble, and then improves the precision of optical-fiber bundling processing, the output power for improving optical-fiber bundling device, improves the stability of device；Sensing module includes power collecting, temperature, humidity, scattering PD, the multiple monitoring for transmitting open circuit, and sensor module is located at LD inside modules, multiple monitoring is carried out based on ARM and FPGA module, the spatial resolution of system is ensured under high speed acquisition, while can carry out the signal-to-noise ratio that processing in real time improves signal to signal again.
Description
Technical field
The invention belongs to field of lasers, more particularly to a kind of superpower laser bundling device.
Background technique
Optical fiber laser has the advantages that high conversion efficiency, good beam quality, compact-sized and easy to maintain, in science
The fields such as research, industrial manufacture, national defense safety are widely used, with high power, high brightness LD and doubly clad optical fiber
The development of manufacturing process, optical fiber laser output power are continuously improved, and current single single mode fiber laser output power is
Reach myriawatt grade, and there are certain rooms for promotion, however due to thermal damage, nonlinear effect, fiber end face damage, heat penetration
The output power of the restriction of the factors such as mirror effect, single single mode fiber laser can not be promoted infinitely, it is therefore desirable to pass through conjunction
The output power of optical fiber laser is improved at technology.
Sharp combiner is the effective means that laser output power and radiance is substantially improved, mainly by multiple laser group
A branch of output is synthesized, the method for sharp combiner has space coupled method and optical-fiber bundling method at present, and Space Coupling method is to utilize solid
Optical device couples the light into optical fiber, using it is high thoroughly to pump light, to the high anti-lens of signal light by pump light and signal light one
Same coupled into double-clad fiber realizes the amplification of signal light, relatively low using Space Coupling method efficiency, only 60%-70% or so,
And using the lens combination of solid, stability is poor；Optical-fiber bundling method is by preparing light on the basis of fused biconical taper fiber optic bundle
Fine bundling device, optical-fiber bundling device are one of important devices of high-capacity optical fiber laser, following to high-capacity optical fiber laser
Development plays very important effect, it is passive device, can make power directional transmissions, in the full fibrillation laser of high power
In play important role, it is suitable in Gao Gong that optical-fiber bundling device, which has high, easy to operate, the easy full fibrillation of realization of coupling efficiency,
The advantages that being used under rate.
Optical-fiber bundling device is broadly divided into rotary process and tiretube process in preparation process at present, and rotary process passes through multifiber wrapping
Around heating draws cone to make fused fiber splice that fiber optic bundle be made together, cuts in the thinner place of fiber optic bundle, and molten with output optical fibre
It connects, optical-fiber bundling device is made, but the optical-fiber bundling device power of the method preparation is not high；Tiretube process is by penetrating multifiber
In quartz socket tube, then cone is drawn to make casing together with fiber fuse by heating, then cutting and output optical fibre welding, casing
The optical-fiber bundling device of method preparation has a biggish advantage on output power, but in terms of casing draws cone process specifications compared with
Height, machining accuracy is higher, and misoperation be easy to cause the structure of optical fiber to be destroyed.
Chinese patent Authorization Notice No. CN201621024211.X, a kind of entitled middle infrared band optical fiber pumping
Fortune/signal bundling device, the core material for the signal optical fibre which uses is pure germanium dioxide material, the area La Zhui of optical fiber beam combination
Drawing cone ratio between 1 ~ 3, optical fiber beam combination and output optical fibre welding, although this method can couple high-power laser and enter
Output optical fibre, but disadvantage is that, draw cone proportional region larger, signal optical fibre draws the loss in cone proportional region herein
It is larger.
Summary of the invention
For coupling efficiency in traditional fiber bundling device is low, stability is poor, the higher problem of operating procedure required precision, this
Invention provides a kind of superpower laser bundling device, replaces Space Coupling to close beam method by using optical-fiber bundling method, to quartz
Glass tube, optical fiber are pre-processed, and suitable draw is selected to bore ratio and cutting angle, reduce drawing cone loss, raising optical-fiber bundling
The precision of processing, improves the output power of optical-fiber bundling device, while carrying out power collecting, temperature, wet based on ARM and FPGA module
The breaking multiple monitoring of degree, scattering PD, transmission.
A kind of superpower laser bundling device, including laser generating unit, sensing module；Wherein laser generating unit passes through
By the fused fiber splice of multiple LD modules output on bundling device, sensing module includes power collecting, temperature, humidity, scattering PD, passes
The multiple monitoring of defeated open circuit, and sensor module is located at LD inside modules.
Further, the bundling device includes more input optical fibres and an output optical fibre, the quantity and optical fiber of input optical fibre
The quantity of laser is consistent, one end of more input optical fibres output signal optical fiber with multiple optical fiber laser modules respectively
Welding, the other end is after fused biconical taper, one end welding in truncation cone area and output optical fibre.
Further, the preparation method of the bundling device, comprising the following steps:
(1) glass tube prepares: preparing a quartz glass tube, glass bushing port carries out smooth treatment using diamond, smooth
Ultrasonic cleaning is carried out after processing；
(2) glass tube draws cone for the first time: glass tube draw for the first time and is bored, keeps glass bushing internal diameter straight slightly larger than fiber optic bundle
Diameter；
(3) optical fiber processing: input optical fibre one end is removed into coat, the other end is fixed with adhesive tape；
(4) it penetrates optical fiber: the naked fibre part of optical fiber is slowly inserted into glass under alcohol lubricating action from close to the area Duan Zhui one end
In glass casing；
(5) the secondary drawing cone of fiber optic bundle: fiber optic bundle and glass tube together secondary drawing are bored；
(6) fiber optic bundle cutting and welding: heating on the outside of quartz glass tube, and heating temperature is 1700 DEG C, makes quartz glass tube, defeated
Enter optical fiber, quartz glass tube fuses into one, and cuts using optical fiber cutter to it, and conduct optical fiber welding with one big core diameter
It connects；
(7) big envelope protection heat-seal: is carried out to weld using external package pipe.
Further, quartz glass tube described in the step (1) is fluorine-doped quartz pipe.
Since when carrying out drawing cone to glass tube, the temperature of molten condition is higher, and the viscosity of glass tube will be smaller, even if
Under the premise of drawing cone speed the same, glass tube is easily deformed than relatively thin place, causes to draw the glass tube after boring not to be positive round
Shape, and then influence the stability of bundling device, and the glass tube of fluorine-doped quartz pipe reduces error, therefore can reduce deformation and cause
The unstability of bundling device.
Further, optical fiber described in the step (4) needs the residual alcohol processing in glass tube is clean again after putting on
Carry out drawing cone.
Since alcohol is not handled completely, under high temperature fused state, it is black that alcohol volatilization causes glass inside pipe wall to burn, so
The residual alcohol in glass tube is handled in experiment using vacuum pump, avoiding volatilizing because of alcohol, it is black to cause glass inside pipe wall to burn.
Further, in the step (4), after fiber optic bundle penetrates glass tube, fiber optic bundle is finely adjusted by microscope
It is whole.
After penetrating glass tube due to fiber optic bundle, can there are stress and intersection between optical fiber, cause in glass tube in fiber optic bundle
Arrangement is uneven, therefore after fiber optic bundle penetrates glass tube, fiber optic bundle is micro-adjusted by microscope, it can be ensured that every
The bare fibre of optical fiber all penetrates into the cone area of quartz glass tube, guarantees that stress is not present in optical fiber, no coiling, in a glass tube
Arrangement uniformly, realizes the drawing cone of fiber optic bundle.
Further, in the step (5), the drawing cone length of input optical fibre is set as 13mm in experiment, and drawing cone ratio is
1.3。
Wherein the covering of optical fiber and fibre core be gradually reduced with drawing cone process, after fibre core reduces, in fibre core
The light of transmission enters covering, reduces and draws cone loss, improves the stability of device.
Further, the cutting angle of fiber optic bundle controls within 0.5 degree in the step (6).
In fiber optic bundle cutting process, cutting angle is excessive to be easy to cause fusion point uneven, has bubble generation, works as cutting
When angle is smaller, the uniformity of fusion point can be improved, reduce the generation of bubble, and then improve the stability of device.
Further, the three electrode ring fire modes that heating uses on the outside of quartz glass tube are heated in the step (6).
Heating optical fiber beam combination is carried out using three electrode ring fire modes to be heated evenly, and the fiber optic bundle centrum bored out is drawn uniformly to become
Change, and electrode is not easy to damage and aoxidize, service life is relatively long, save the cost, heats compared to oxyhydrogen flame and draws cone, without control
Gas flow rate processed, safe operation.
Further, the sensing module is to carry out multiple monitoring based on ARM and FPGA module.
Fixed since arm processor has the advantages that command length, better performances, cost is relatively low, in the present invention, ARM
Processor is mainly responsible for two functions: receiving the incoming configuration information of client and carries out Row control to sensor-based system, will pass
Power that sensor obtains, temperature, humidity, scattering PD, transmission open circuit data carry out processing calculating；FPGA module is used for ARM
The data of transmission do analytic operation, and FPGA module can either carry out the space that high speed acquisition ensures system to backscatter signals
Resolution ratio, while the signal-to-noise ratio that processing in real time improves signal can be carried out to signal again.
The working principle of the invention: by using the incoherent superposition for closing Shu Jinhang radiant power, using optical-fiber bundling method
By preparing optical-fiber bundling device on the basis of fused biconical taper fiber optic bundle, make during preparing optical-fiber bundling device using tiretube process
The unstability of the bundling device caused by deforming during drawing cone is reduced with fluorine-doped quartz pipe；Fiber optic bundle is carried out by microscope
Micro-adjustment guarantees that there is no stress in optical fiber, and no coiling, arrangement uniformly, realizes the drawing cone of fiber optic bundle in a glass tube；Setting is suitable
Suitable drawing cone ratio and cutting angle reduce drawing cone loss, improve the uniformity of fusion point, reduce the generation of bubble, into
And improve the stability of device.
Beneficial effect
(1) present invention replaces Space Coupling to close beam method using optical-fiber bundling method, pre-processes to quartz glass tube, optical fiber, selects
It selects suitable draw and bores ratio and cutting angle, reduce drawing cone loss, the precision of raising optical-fiber bundling processing improves optical-fiber bundling device
Output power, while based on ARM and FPGA module carry out power collecting, temperature, humidity, scattering PD, transmission open circuit it is multiple
Monitoring.
(2) optical fiber is stripped using the progress of hot soarfing division in the present invention, compared with machinery is stripped with chemical stripping, reduces light
The damage of fine cladding surface improves the stability of bundling device.
(3) present invention is heated using three electrode ring fire modes, is heated evenly optical fiber beam combination, draws the fiber optic bundle bored out
Centrum even variation, and electrode is not easy to damage and aoxidize, service life is relatively long, save the cost, heats compared to oxyhydrogen flame
Cone is drawn, without controlling gas flow rate, safe operation.
(4) it is provided with suitable draw in present invention experiment and bores ratio, reduce and carry out drawing cone together in fiber optic bundle and glass tube
Loss is bored in drawing in the process, improves the stability of device.
(5) cutting angle of fiber optic bundle of the present invention controls within 0.5 degree, in fiber optic bundle cutting process, cutting angle
It is excessive to be easy to cause fusion point uneven, there is bubble generation, when cutting angle is smaller, the uniformity of fusion point can be improved,
The generation of bubble is reduced, and then improves the stability of device.
Detailed description of the invention
Fig. 1 is 7 × 1 bundling device single armed output power optical system for testing figures；
Fig. 2 is 7 × 1 bundling device single armed input power optical system for testing figures.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to various embodiments of the present invention, it is clear that is retouched
The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiment of the present invention, originally
Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair
Bright protected range.
Embodiment 1
A kind of superpower laser bundling device, including laser generating unit, sensing module；Wherein laser generating unit is by will be more
On bundling device, sensing module includes power collecting, temperature, humidity, scattering PD, transmits and break the fused fiber splice of a LD module output
The multiple monitoring on road, and sensor module is located at LD inside modules.
Further, the bundling device includes more input optical fibres and an output optical fibre, the quantity and optical fiber of input optical fibre
The quantity of laser is consistent, one end of more input optical fibres output signal optical fiber with multiple optical fiber laser modules respectively
Welding, the other end is after fused biconical taper, one end welding in truncation cone area and output optical fibre.
Further, the preparation method of the bundling device, comprising the following steps:
(1) glass tube prepares: preparing a quartz glass tube, glass bushing port carries out smooth treatment using diamond, smooth
Ultrasonic cleaning is carried out after processing；
(2) glass tube draws cone for the first time: glass tube draw for the first time and is bored, keeps glass bushing internal diameter straight slightly larger than fiber optic bundle
Diameter；
(3) optical fiber processing: input optical fibre one end is removed into coat, the other end is fixed with adhesive tape；
(4) it penetrates optical fiber: the naked fibre part of optical fiber is slowly inserted into glass under alcohol lubricating action from close to the area Duan Zhui one end
In glass casing；
(5) the secondary drawing cone of fiber optic bundle: fiber optic bundle and glass tube together secondary drawing are bored；
(6) fiber optic bundle cutting and welding: heating on the outside of quartz glass tube, and heating temperature is 1700 DEG C, makes quartz glass tube, defeated
Enter optical fiber, quartz glass tube fuses into one, and cuts using optical fiber cutter to it, and conduct optical fiber welding with one big core diameter
It connects；
(7) big envelope protection heat-seal: is carried out to weld using external package pipe.
Further, quartz glass tube described in the step (1) is fluorine-doped quartz pipe.
Since when carrying out drawing cone to glass tube, the temperature of molten condition is higher, and the viscosity of glass tube will be smaller, even if
Under the premise of drawing cone speed the same, glass tube is easily deformed than relatively thin place, causes to draw the glass tube after boring not to be positive round
Shape, and then influence the stability of bundling device, and the glass tube of fluorine-doped quartz pipe reduces error, therefore can reduce deformation and cause
The unstability of bundling device.
Further, optical fiber described in the step (4) needs the residual alcohol processing in glass tube is clean again after putting on
Carry out drawing cone.
Since alcohol is not handled completely, under high temperature fused state, it is black that alcohol volatilization causes glass inside pipe wall to burn, so
The residual alcohol in glass tube is handled in experiment using vacuum pump, avoiding volatilizing because of alcohol, it is black to cause glass inside pipe wall to burn.
Further, in the step (4), after fiber optic bundle penetrates glass tube, fiber optic bundle is finely adjusted by microscope
It is whole.
After penetrating glass tube due to fiber optic bundle, can there are stress and intersection between optical fiber, cause in glass tube in fiber optic bundle
Arrangement is uneven, therefore after fiber optic bundle penetrates glass tube, fiber optic bundle is micro-adjusted by microscope, it can be ensured that every
The bare fibre of optical fiber all penetrates into the cone area of quartz glass tube, guarantees that stress is not present in optical fiber, no coiling, in a glass tube
Arrangement uniformly, realizes the drawing cone of fiber optic bundle.
Further, in the step (5), the drawing cone length of input optical fibre is set as 13mm in experiment, and drawing cone ratio is
1.3。
Wherein the covering of optical fiber and fibre core be gradually reduced with drawing cone process, after fibre core reduces, in fibre core
The light of transmission enters covering, reduces and draws cone loss, improves the stability of device.
Further, the cutting angle of fiber optic bundle controls within 0.5 degree in the step (6).
In fiber optic bundle cutting process, cutting angle is excessive to be easy to cause fusion point uneven, has bubble generation, works as cutting
When angle is smaller, the uniformity of fusion point can be improved, reduce the generation of bubble, and then improve the stability of device.
Further, the three electrode ring fire modes that heating uses on the outside of quartz glass tube are heated in the step (6).
Heating optical fiber beam combination is carried out using three electrode ring fire modes to be heated evenly, and the fiber optic bundle centrum bored out is drawn uniformly to become
Change, and electrode is not easy to damage and aoxidize, service life is relatively long, save the cost, heats compared to oxyhydrogen flame and draws cone, without control
Gas flow rate processed, safe operation.
Further, the sensing module is to carry out multiple monitoring based on ARM and FPGA module.
Fixed since arm processor has the advantages that command length, better performances, cost is relatively low, in the present invention, ARM
Processor is mainly responsible for two functions: receiving the incoming configuration information of client and carries out Row control to sensor-based system, will pass
Power that sensor obtains, temperature, humidity, scattering PD, transmission open circuit data carry out processing calculating；FPGA module is used for ARM
The data of transmission do analytic operation, and FPGA module can either carry out the space that high speed acquisition ensures system to backscatter signals
Resolution ratio, while the signal-to-noise ratio that processing in real time improves signal can be carried out to signal again.
Embodiment 2
On the basis of embodiment 1, the glass tube that the present embodiment uses is low-refraction fluorine doped glass pipe, fibre core numerical aperture
It is 0.22, input optical fibre is using 20/250um optical fiber, and fibre core numerical aperture is 0.06, and output optical fibre is using 20/
The high-power energy-transmission optic fibre of 400um, fibre core numerical aperture are 0.22, and drawing cone ratio is 1.3, and drawing cone length is 13mm, prepare 7 ×
1 type optical-fiber bundling device.
7 × 1 type optical-fiber bundling devices are subjected to tolerance power test, as shown in FIG. 1, FIG. 1 is the outputs of 7 × 1 bundling device single armeds
Power test index path, test before with 7 DL light sources respectively with 7 single armed fused fiber splices of 7 × 1 type bundling devices, in output light
A zero angle is cut in fine end, and power meter is directed at emergent light spot, when test, records when corresponding DL loads a constant current n-th
Output power P corresponding to optical fibern, after completing the above test, carry out the test of single armed input power, as shown in Fig. 2, Fig. 2 be 7 ×
1 bundling device single armed input power optical system for testing figure retains the fusion point of DL and each arm, the single armed of bundling device is cut one section,
The initial gain value P of n-th optical fiber when carrying out optical test path corresponding DL load same currentn /, the efficiency of transmission of n-th optical fiber
ηn, ηn=Pn/Pn /, coupling loss Li=-10log(ηn) db, the output power of the available bundling device is 1634w, bundling device
Average coupling efficiency is 99.1%, coupling loss 0.03db.
Comparative example 1
On the basis of embodiment 1, the glass tube that the present embodiment uses is low-refraction fluorine doped glass pipe, fibre core numerical aperture
It is 0.22, input optical fibre is using 20/250um optical fiber, and fibre core numerical aperture is 0.06, and output optical fibre is using 20/
The high-power energy-transmission optic fibre of 400um, fibre core numerical aperture are 0.22, and drawing cone ratio is 2, and drawing cone length is 20mm, prepare 7 × 1
Type optical-fiber bundling device.
This 7 × 1 type optical-fiber bundling device is subjected to tolerance power test, the output power for obtaining the bundling device is 1075w, is closed
The average coupling efficiency of beam device is 65.1%, coupling loss 1.86db.
When drawing cone large percentage it can be seen from the result of embodiment 2 and comparative example 1, when drawing cone length longer, bundling device
Efficiency of transmission reduce, this is primarily due to, when draw cone ratio and draw cone length dimension it is unreasonable when, will lead to drawing cone region produce
Raw unsmooth phenomenon, and then the efficiency of transmission of cone is caused to reduce, large percentage is bored when drawing, when drawing cone length longer, the area La Zhui
The unsmooth phenomenon in domain is more serious, therefore the efficiency of transmission of centrum only has 65.1%, is 1.3 when drawing cone ratio to be drawing cone ratio, draws cone
Length is 13mm, draws cone transitional region smooth, and the efficiency of transmission of cone is 99.1%, therefore is 1.3 when drawing cone ratio, draws cone length
Degree is 13mm, and the efficiency of transmission of cone is higher.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of superpower laser bundling device, which is characterized in that including laser generating unit, sensing module；Wherein laser is sent out
For raw unit through the fused fiber splice that exports multiple LD modules on bundling device, sensing module includes power collecting, temperature, wet
The breaking multiple monitoring of degree, scattering PD, transmission, and sensor module is located at LD inside modules.
2. a kind of superpower laser bundling device according to claim 1, which is characterized in that the bundling device includes more
Input optical fibre and an output optical fibre, the quantity of input optical fibre and the quantity of optical fiber laser are consistent, the more input optical fibres
One end respectively with the output signal optical fiber welding of multiple optical fiber laser modules, the other end after fused biconical taper, truncation cone area
With one end welding of output optical fibre.
3. a kind of superpower laser bundling device according to claim 1 or 2, which is characterized in that the bundling device
Preparation method, comprising the following steps:
(1) glass tube prepares: preparing a quartz glass tube, glass bushing port carries out smooth treatment using diamond, smooth
Ultrasonic cleaning is carried out after processing；
(2) glass tube draws cone for the first time: glass tube draw for the first time and is bored, keeps glass bushing internal diameter straight slightly larger than fiber optic bundle
Diameter；
(3) optical fiber processing: input optical fibre one end is removed into coat, the other end is fixed with adhesive tape；
(4) it penetrates optical fiber: the naked fibre part of optical fiber is slowly inserted into glass under alcohol lubricating action from close to the area Duan Zhui one end
In glass casing；
(5) the secondary drawing cone of fiber optic bundle: fiber optic bundle and glass tube together secondary drawing are bored；
(6) fiber optic bundle cutting and welding: heating on the outside of quartz glass tube, and heating temperature is 1700 DEG C, makes quartz glass tube, defeated
Enter optical fiber, quartz glass tube fuses into one, and cuts using optical fiber cutter to it, and conduct optical fiber welding with one big core diameter
It connects；
(7) big envelope protection heat-seal: is carried out to weld using external package pipe.
4. a kind of superpower laser bundling device according to claim 3, which is characterized in that described in the step (1)
Quartz glass tube is fluorine-doped quartz pipe.
5. a kind of superpower laser bundling device according to claim 3, which is characterized in that described in the step (4)
Optical fiber needs the residual alcohol processing in glass tube completely carrying out drawing cone again after putting on.
6. a kind of superpower laser bundling device according to claim 3, which is characterized in that in the step (4), work as light
After fine beam penetrates glass tube, fiber optic bundle is micro-adjusted by microscope.
7. a kind of superpower laser bundling device according to claim 3, which is characterized in that in the step (5), experiment
The drawing cone length of middle input optical fibre is set as 13mm, and drawing cone ratio is 1.3.
8. a kind of superpower laser bundling device according to claim 3, which is characterized in that optical fiber in the step (6)
The cutting angle of beam controls within 0.5 degree.
9. a kind of superpower laser bundling device according to claim 3, which is characterized in that stone in the step (6)
The three electrode ring fire modes that heating uses on the outside of English glass tube are heated.
10. a kind of superpower laser bundling device according to claim 1, which is characterized in that the sensing module is base
Multiple monitoring is carried out in ARM and FPGA module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653712.6A CN110429464A (en) | 2019-07-19 | 2019-07-19 | A kind of superpower laser bundling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653712.6A CN110429464A (en) | 2019-07-19 | 2019-07-19 | A kind of superpower laser bundling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110429464A true CN110429464A (en) | 2019-11-08 |
Family
ID=68410068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653712.6A Pending CN110429464A (en) | 2019-07-19 | 2019-07-19 | A kind of superpower laser bundling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110429464A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418681A (en) * | 2021-07-09 | 2021-09-21 | 江苏亮点光电研究有限公司 | Multithreading laser power measuring device suitable for laser aging test |
| CN113422282A (en) * | 2021-08-24 | 2021-09-21 | 中国工程物理研究院激光聚变研究中心 | Preparation method of all-fiber self-imaging laser beam combiner |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902017A (en) * | 2010-07-28 | 2010-12-01 | 西安炬光科技有限公司 | Multi-illuminating unit semiconductor laser module and preparation method thereof |
| CN103487885A (en) * | 2013-10-11 | 2014-01-01 | 山东海富光子科技股份有限公司 | Novel optical fiber laser beam combiner and manufacturing method of combiner |
| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| US20140241663A1 (en) * | 2013-02-28 | 2014-08-28 | Ipg Photonics Corporation | Ultra-High Power Multimode Combiner |
| CN104122619A (en) * | 2013-04-24 | 2014-10-29 | 上海欧翊光电技术有限公司 | Bundling optical fiber cone fused biconical taper system with monitoring device and cone machining method |
| CN104280822A (en) * | 2014-10-31 | 2015-01-14 | 中国人民解放军国防科学技术大学 | High-power weak-tapering low-loss pumping/signal combiner |
| CN105026971A (en) * | 2013-02-28 | 2015-11-04 | Ipg光子公司 | Low-mode high power fiber combiner |
| CN105700079A (en) * | 2016-04-28 | 2016-06-22 | 深圳瑞焱通光子技术有限公司 | Beam combiner and manufacturing method thereof |
| CN105891951A (en) * | 2014-09-30 | 2016-08-24 | 中国兵器装备研究院 | Modularized manufacturing method of multi-core beam combiner |
| CN205665430U (en) * | 2016-06-06 | 2016-10-26 | 北京工业大学 | Optical fiber combiner |
| CN106129786A (en) * | 2016-07-18 | 2016-11-16 | 电子科技大学 | Tunable dual wavelength mode locked fiber laser based on tapered fiber |
| CN106772803A (en) * | 2016-12-28 | 2017-05-31 | 山东英吉利通讯科技有限公司 | Multimode fibre beam splitter and preparation method thereof |
| CN206864857U (en) * | 2017-05-19 | 2018-01-09 | 深圳番越光电有限公司 | It is a kind of to make the high-power reversely device of polarization-maintaining pumping and signal light combiner |
| CN109188610A (en) * | 2018-10-19 | 2019-01-11 | 北京工业大学 | A kind of optical-fiber bundling device with encapsulating structure |
| CN109244806A (en) * | 2018-09-29 | 2019-01-18 | 武汉锐科光纤激光技术股份有限公司 | Can laser power monitoring optical-fiber bundling device and preparation method thereof |
| CN208862360U (en) * | 2018-09-29 | 2019-05-14 | 武汉锐科光纤激光技术股份有限公司 | Can laser power monitoring optical-fiber bundling device |
| CN208953728U (en) * | 2018-09-29 | 2019-06-07 | 武汉锐科光纤激光技术股份有限公司 | Optical-fiber bundling device |
-
2019
- 2019-07-19 CN CN201910653712.6A patent/CN110429464A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902017A (en) * | 2010-07-28 | 2010-12-01 | 西安炬光科技有限公司 | Multi-illuminating unit semiconductor laser module and preparation method thereof |
| CN103901538A (en) * | 2012-12-28 | 2014-07-02 | 中国兵器装备研究院 | Manufacturing method of N*1 high-power fiber laser beam combiner |
| CN105026971A (en) * | 2013-02-28 | 2015-11-04 | Ipg光子公司 | Low-mode high power fiber combiner |
| US20140241663A1 (en) * | 2013-02-28 | 2014-08-28 | Ipg Photonics Corporation | Ultra-High Power Multimode Combiner |
| CN104122619A (en) * | 2013-04-24 | 2014-10-29 | 上海欧翊光电技术有限公司 | Bundling optical fiber cone fused biconical taper system with monitoring device and cone machining method |
| CN103487885A (en) * | 2013-10-11 | 2014-01-01 | 山东海富光子科技股份有限公司 | Novel optical fiber laser beam combiner and manufacturing method of combiner |
| CN105891951A (en) * | 2014-09-30 | 2016-08-24 | 中国兵器装备研究院 | Modularized manufacturing method of multi-core beam combiner |
| CN104280822A (en) * | 2014-10-31 | 2015-01-14 | 中国人民解放军国防科学技术大学 | High-power weak-tapering low-loss pumping/signal combiner |
| CN105700079A (en) * | 2016-04-28 | 2016-06-22 | 深圳瑞焱通光子技术有限公司 | Beam combiner and manufacturing method thereof |
| CN205665430U (en) * | 2016-06-06 | 2016-10-26 | 北京工业大学 | Optical fiber combiner |
| CN106129786A (en) * | 2016-07-18 | 2016-11-16 | 电子科技大学 | Tunable dual wavelength mode locked fiber laser based on tapered fiber |
| CN106772803A (en) * | 2016-12-28 | 2017-05-31 | 山东英吉利通讯科技有限公司 | Multimode fibre beam splitter and preparation method thereof |
| CN206864857U (en) * | 2017-05-19 | 2018-01-09 | 深圳番越光电有限公司 | It is a kind of to make the high-power reversely device of polarization-maintaining pumping and signal light combiner |
| CN109244806A (en) * | 2018-09-29 | 2019-01-18 | 武汉锐科光纤激光技术股份有限公司 | Can laser power monitoring optical-fiber bundling device and preparation method thereof |
| CN208862360U (en) * | 2018-09-29 | 2019-05-14 | 武汉锐科光纤激光技术股份有限公司 | Can laser power monitoring optical-fiber bundling device |
| CN208953728U (en) * | 2018-09-29 | 2019-06-07 | 武汉锐科光纤激光技术股份有限公司 | Optical-fiber bundling device |
| CN109188610A (en) * | 2018-10-19 | 2019-01-11 | 北京工业大学 | A kind of optical-fiber bundling device with encapsulating structure |
Non-Patent Citations (1)
| Title |
|---|
| 贺兴龙: "高功率掺镱全光纤激光器关键单元技术研究", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418681A (en) * | 2021-07-09 | 2021-09-21 | 江苏亮点光电研究有限公司 | Multithreading laser power measuring device suitable for laser aging test |
| CN113422282A (en) * | 2021-08-24 | 2021-09-21 | 中国工程物理研究院激光聚变研究中心 | Preparation method of all-fiber self-imaging laser beam combiner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9897759B2 (en) | Apparatus for combining optical radiation | |
| US5074633A (en) | Optical communication system comprising a fiber amplifier | |
| EP0607570B1 (en) | Fiber optic coupler and amplifier | |
| KR100405096B1 (en) | Fabrication of collimators employing optical fibers fusion-spliced to optical elements of substantially larger cross-sectional areas | |
| CN100427979C (en) | Laser power integrated device and its implement method | |
| WO2018148187A1 (en) | Optical fiber for silicon photonics | |
| EP0504479A2 (en) | Optical fiber amplifier and coupler | |
| CN108847569B (en) | Signal-pumping beam combiner capable of keeping high beam quality | |
| CN102116902A (en) | Optic fiber power beam combiner and preparation method thereof | |
| EP3465301A1 (en) | Optical fibre and optical fibre device | |
| CN110429464A (en) | A kind of superpower laser bundling device | |
| CN103487901A (en) | Optical fiber laser bundle combining device | |
| CN113534347A (en) | Non-contact glass capillary diameter control method | |
| WO2014052557A1 (en) | Method of measuring multi-mode fiber bandwidth through accessing one fiber end | |
| CN113820787A (en) | Single-mode multi-mode adjusting device and preparation method thereof | |
| JP2618500B2 (en) | Optical fiber connection method | |
| CN107765368A (en) | A kind of welding process of hollow antiresonance optical fiber | |
| KR20040057912A (en) | A Light fiber parts for spot size conversion and making method thereof | |
| CN203480085U (en) | Fiber laser beam combiner | |
| CN103698841A (en) | Microstructure fiber device | |
| CN114280803B (en) | Manufacturing method of optical fiber laser beam combiner | |
| CN107305269B (en) | A kind of optical power alignment system and method for large mode field doubly clad optical fiber welding | |
| JP3108180B2 (en) | Optical fiber fusion splicing method | |
| US20230305233A1 (en) | Apparatus for Guiding Light from an Input Side to an Output Side | |
| CN213814030U (en) | Structure for filtering specific cladding light of optical fiber |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191108 |
|
| WD01 | Invention patent application deemed withdrawn after publication |