CN107144927A - Divest stripper of high power cladding light and preparation method thereof - Google Patents
Divest stripper of high power cladding light and preparation method thereof Download PDFInfo
- Publication number
- CN107144927A CN107144927A CN201710526173.0A CN201710526173A CN107144927A CN 107144927 A CN107144927 A CN 107144927A CN 201710526173 A CN201710526173 A CN 201710526173A CN 107144927 A CN107144927 A CN 107144927A
- Authority
- CN
- China
- Prior art keywords
- fiber
- optical fiber
- cladding light
- water
- high power
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
-
- 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
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06733—Fibre having more than one cladding
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
The present invention provides a kind of stripper for divesting high power cladding light, including side coupling optical fiber, cooled plate, the cooled plate is provided with water-cooling groove, cooling passage, and the water-cooling groove is set in the shape of a spiral in the cooled plate, and the cooling passage runs through the cooled plate；The side coupling optical fiber is set around in the water-cooling groove, and the side coupling optical fiber is included in passive fiber, coreless fiber and low-refraction coat, the coreless fiber mixed with background loss impurity.Cladding light in side coupling optical fiber in passive fiber inner cladding is slowly coupled in the coreless fiber mixed with background loss impurity by fiber coupling effect, so that the cladding light in coreless fiber is depleted and becomes heat, due to side coupling as optical fiber axial direction is slowly carried out, therefore the heat that loss becomes will not produce heat accumulation in short distance.The heat of generation is taken away also by water-cooling groove cooling so that farthest offside coupling optical fiber is cooled down.
Description
Technical field
The present invention relates to cladding light technical field is divested, the stripper and its system of high power cladding light are more particularly to divested
Preparation Method.
Background technology
The method that existing cladding light is divested is roughly divided into three classes, and a class is that a floor height refractive index is applied around inner cladding
Glue a, class is to plate graphene in interior cladding surface, metal, the film (or matrix) of the high thermal conductive property such as sapphire, and the 3rd class is
Internal clad silica surface is artificially introduced defect by certain technological means, for example, allow surface irregularity by acid corrosion.Before
Two classes are all that high refractive index medium is introduced around inner cladding so that the refractive index condition that total reflection occurs is met, last class
It is that surface is become coarse so that the incident corner condition that total reflection occurs is unsatisfactory for.The method that common cladding light is divested all is
Completed by destroying total reflection occurrence condition.
All there is the problem of covering luminous power divests uneven vertically in the method that common cladding light is divested, this is just mostly
So that can be very high close to the local temperature for divesting starting point, it also can significantly limit and divest power.In the market main flow divests high power
The device that divests of cladding light is cooled down by way of packaging heat sink shell contacts cooled plate mostly so that cooling effect
It is not fine, thus greatly limit and divest power.
The content of the invention
There is provided including side coupling optical fiber, water for one of technological deficiency it is an object of the invention to solve prior art presence
Cold drawing, the cooled plate is provided with water-cooling groove, cooling passage, and the water-cooling groove is set in the shape of a spiral in the cooled plate,
The cooling passage runs through the cooled plate；The side coupling optical fiber is set around in the water-cooling groove, and the side couples optical fiber
Including passive fiber, coreless fiber and low-refraction coat, the passive fiber, the separation of coreless fiber two ends, Intermediate parallel
Set, the low-refraction coat is arranged at the passive fiber, the outside of the parallel section of coreless fiber, the centreless light
Mixed with background loss impurity in fibre.Cladding light in side coupling optical fiber in passive fiber inner cladding is acted on slowly by fiber coupling
It is coupled in the coreless fiber mixed with background loss impurity, because coreless fiber has larger background loss so that centreless light
Cladding light in fibre, which is depleted, becomes heat, due to side coupling as optical fiber axial direction is slowly carried out, therefore is lost what is become
Heat will not produce heat accumulation in short distance, will not make it that the local temperature for divesting beginning is very high.The heat of generation also by
Water-cooling groove cooling is taken away so that farthest offside coupling optical fiber is cooled down.
To achieve these goals, adopt the following technical scheme that：
A kind of stripper for divesting high power cladding light, including side coupling optical fiber, cooled plate, the cooled plate are provided with water
Cold trap, cooling passage, the water-cooling groove are set in the shape of a spiral in the cooled plate, and the cooling passage runs through the water
Cold drawing；Side coupling optical fiber is set around in the water-cooling groove, and the side coupling optical fiber includes passive fiber, coreless fiber and low
Refractive index coating, the passive fiber, the separation of coreless fiber two ends, Intermediate parallel are set, and the low-refraction coat is set
It is placed in the passive fiber, the outside of the parallel section of coreless fiber, the coreless fiber mixed with background loss impurity.
As the preferred of such scheme, the scope of the radius of curvature R of the helical form water-cooling groove is 8-12cm.
As the preferred of such scheme, the background loss impurity is one kind or many in iron, aluminium, magnesium, calcium or alkali metal
Kind.
As the preferred of such scheme, the background loss impurity also includes phosphorus or fluorine.
As the preferred of such scheme, the first helical groove that the water-cooling groove is extended from inside to outside by one re-extends shape
Combined into the second helical groove that one extends from outside to inside.
The present invention also provides a kind of preparation method for the stripper for divesting high power cladding light, comprises the following steps that：
(1) side couples the making of optical fiber：There are core fibre prefabricated rods and a centreless mixed with background loss impurity by one
Passive fiber and coreless fiber are formed after preform drawing respectively, then sets the passive fiber side by side with coreless fiber
Postpone outer layer be coated low-refraction coating material be made side coupling optical fiber precursor；Then the side is coupled into optical fiber precursor
Two ends carry out peeling off the passive fiber for causing its two ends and the termination of coreless fiber is separated, then again to the passive fiber
Coated again with the two ends of coreless fiber and side is made after low-refraction coating material couples optical fiber；
(2) making of cooled plate：Cooling passage is beaten in one piece of metallic plate, helical form flute profile is then carved in cooled plate
Into water-cooling groove；
(3) assemble：Side coupling optical fiber is set around on the water-cooling groove of the cooled plate.
As the preferred of such scheme, the preparation method of the coreless fiber prefabricated rods mixed with background loss impurity is：
Background loss impurity is incorporated into the silica that doping is generated in the pipe of sleeve pipe in sleeve pipe by MCVD vapour deposition processes, so
The outer wall of sleeve pipe is corroded afterwards, the coreless fiber prefabricated rods mixed with background loss impurity are formed.
As the preferred of such scheme, the specific method that cooling passage is beaten in the step (2) is：In the metallic plate
The upper interconnection and vertical passage beaten through the metallic plate, the interconnection is connected with vertical passage, then retained
On the metallic plate on all passages with one side furthest apart two holes are respectively as inlet and outlet and block on passage
Other holes.
As the preferred of such scheme, there are core fibre prefabricated rods and coreless fiber prefabricated rods by described in the step (1)
Progress wire drawing and coating is arranged side by side.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 provides a kind of knot of the embodiment 1 for the stripper for divesting high power cladding light for the present invention that the present invention is provided
Structure schematic diagram；
Fig. 2 is the structural representation that side couples optical fiber；
Fig. 3 is the structural representation of cooled plate；
Fig. 4 provides a kind of knot of the embodiment 2 for the stripper for divesting high power cladding light for the present invention that the present invention is provided
Structure schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that institute
The embodiment of description is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of stripper for divesting high power cladding light of present invention offer, including side coupling optical fiber 1,
Cooled plate 2, the cooled plate 2 is provided with water-cooling groove, cooling passage, and the water-cooling groove is set in the shape of a spiral in the cooled plate
Put, the cooling passage forms import 701 and outlet 702 through the cooled plate and in the cooled plate；The side coupling
Closing light fibre is set around in the water-cooling groove, and the side coupling optical fiber 1 includes passive fiber 101, coreless fiber 102 and low-refraction
Coat 103, the passive fiber, the separation of coreless fiber two ends, Intermediate parallel are set, and the coat is arranged at described passive
Mixed with background loss impurity 104 in the outside of optical fiber, the parallel setting unit of coreless fiber, the coreless fiber.
The present invention is provided in a kind of stripper for divesting high power cladding light, side coupling optical fiber in passive fiber inner cladding
Cladding light is slowly coupled in coreless fiber by fiber coupling effect, because coreless fiber has larger background loss, is made
Obtain the cladding light in coreless fiber and be depleted and become heat, due to fiber coupling as optical fiber axial direction is slowly carried out, therefore
The heat become is lost will not produce heat accumulation in short distance, will not make it that the local temperature for divesting beginning is very high.Produce
Heat is taken away also by water-cooling groove cooling so that farthest offside coupling optical fiber is cooled down.
Further, the scope of the radius of curvature R of the helical form water-cooling groove is 8-12cm.In order to preferably cool down effect
Really, macrobending is typically more beneficial for radiating, and macrobending can produce smaller influence to basic mode, but in view of space limit
Determine that bending radius is proper in 8-12cm after system.
Further, the background loss impurity 104 is the one or more in iron, aluminium, magnesium, calcium or alkali metal.
Further, the background loss impurity also includes phosphorus or fluorine.When the background loss impurity refractive index mixed
When influenceing larger, by being co-doped with phosphorus or fluorine its refraction index changing can be made little.
Further, the two ends of the coreless fiber 102 can be directly hanging or be mapped to shadow shield 3, the passive fiber 101
One end and optical fiber laser welding, the other end as output end or with end cap tail optical fiber welding.
The present invention also provides a kind of preparation method for the stripper for divesting high power cladding light, comprises the following steps that：
(1) side couples the making of optical fiber：There are core fibre prefabricated rods and a centreless mixed with background loss impurity by one
Passive fiber and coreless fiber are formed after preform drawing respectively, then sets the passive fiber side by side with coreless fiber
Postpone outer layer be coated low-refraction coating material be made side coupling optical fiber precursor；Then the side is coupled into optical fiber precursor
Two ends carry out peeling off the passive fiber for causing its two ends and the termination of coreless fiber is separated, then again to the passive fiber
Coated again with the two ends of coreless fiber and side is made after low-refraction coating material couples optical fiber；
(2) making of cooled plate：As shown in figure 3, beating cooling passage in one piece of metallic plate 4, specific method is：Institute
State the interconnection 5 and vertical passage 6, the interconnection 5 and the phase of vertical passage 6 beaten on metallic plate 4 through the metallic plate
Connection, then retains two holes on the metallic plate on all passages with furthest apart on one side respectively as the He of import 701
Outlet 702 simultaneously blocks other holes on passage, then the cutting spiral groove formation water-cooling groove in cooled plate；
(3) assemble：Side coupling optical fiber is set around on the water-cooling groove of the cooled plate.
Further, the preparation method of the coreless fiber prefabricated rods mixed with background loss impurity is：Lead in sleeve pipe
Cross MCVD vapour deposition processes and background loss impurity is incorporated into the silica that doping is generated in the pipe of sleeve pipe, the background loss
Impurity is the one or more in iron, aluminium, magnesium, calcium or alkali metal, and the outer wall of sleeve pipe is corroded, and is formed mixed with background loss
The coreless fiber prefabricated rods of impurity.
Further, the background loss impurity also includes phosphorus or fluorine.When the background loss impurity refractive index mixed
When influenceing larger, by being co-doped with phosphorus or fluorine its refraction index changing can be made little.
Further, in the step (1) by it is described have core fibre prefabricated rods and coreless fiber prefabricated rods be arranged side by side into
Row wire drawing and coating.Wire drawing and coating efficiency can so be improved.
Embodiment 2
As shown in figure 4, the present embodiment is as different from Example 1, the water-cooling groove extended from inside to outside by one
One helical groove, which is re-extended, to be formed second helical groove extended from outside to inside and combines.It can so reduce as far as possible
Increase film-cooled heat in the case of bending radius excursion, efficiency is divested so as to improve.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of stripper for divesting high power cladding light, it is characterised in that including side coupling optical fiber, cooled plate, the water cooling
Plate is provided with water-cooling groove, cooling passage, and the water-cooling groove is set in the shape of a spiral in the cooled plate, the cooling passage
Through the cooled plate；The side coupling optical fiber is set around in the water-cooling groove, and the side coupling optical fiber includes passive fiber, nothing
Core fibre and low-refraction coat, the passive fiber, the separation of coreless fiber two ends, Intermediate parallel are set, the low refraction
Rate coat is arranged in the passive fiber, the outside of the parallel section of coreless fiber, the coreless fiber to be damaged mixed with background
Consume impurity.
2. the stripper according to claim 1 for divesting high power cladding light, it is characterised in that the helical form water-cooling groove
Radius of curvature R scope be 8-12cm.
3. the stripper according to claim 1 for divesting high power cladding light, it is characterised in that the background loss impurity
For the one or more in iron, aluminium, magnesium, calcium or alkali metal.
4. the stripper according to claim 3 for divesting high power cladding light, it is characterised in that the background loss impurity
Also include phosphorus or fluorine.
5. the cladding light stripper for divesting high power cladding light according to any one of claim 1-4, it is characterised in that
The first helical groove that the water-cooling groove is extended from inside to outside by one, which is re-extended, forms second spiral shell extended from outside to inside
Rotation groove is combined.
6. a kind of preparation method for the stripper for divesting high power cladding light, it is characterised in that comprise the following steps that：
(1) side couples the making of optical fiber：There are core fibre prefabricated rods and a coreless fiber mixed with background loss impurity by one
Passive fiber and coreless fiber are formed after prefabricated stick drawn wire respectively, after then the passive fiber and coreless fiber are arranged side by side
Low-refraction coating material is coated in outer layer, and side coupling optical fiber precursor is made；Then the side is coupled the two of optical fiber precursor
End, which peel off, causes the passive fiber at its two ends and the termination of coreless fiber to be separated, then again to the passive fiber and nothing
The two ends of core fibre are coated again is made side coupling optical fiber after low-refraction coating material；
(2) making of cooled plate：Cooling passage is beaten in one piece of metallic plate, spiral groove formation water is then carved in cooled plate
Cold trap；
(3) assemble：Side coupling optical fiber is set around on the water-cooling groove of the cooled plate.
7. the preparation method of the stripper according to claim 6 for divesting high power cladding light, it is characterised in that described to mix
The preparation method of coreless fiber prefabricated rods of loss impurity of having powerful connections is：Background is damaged by MCVD vapour deposition processes in sleeve pipe
Consumption impurity is incorporated into the silica of generation doping in the pipe of sleeve pipe, and then the outer wall of sleeve pipe is corroded, and is formed mixed with miscellaneous
The coreless fiber prefabricated rods of matter.
8. the preparation method of the stripper for divesting high power cladding light according to claim 6 or 7, it is characterised in that institute
State and the specific method of cooling passage is beaten in step (2) be：The interconnection through the metallic plate is beaten on the metallic plate
With vertical passage, the interconnection is connected with vertical passage, then retains on the metallic plate same one side on all passages
Two holes of upper furthest apart are respectively as inlet and outlet and block other holes on passage.
9. the preparation method of the stripper for divesting high power cladding light according to claim 6 or 7, it is characterised in that institute
Stating described in step (1) has core fibre prefabricated rods and coreless fiber prefabricated rods that progress wire drawing and coating is arranged side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526173.0A CN107144927A (en) | 2017-08-02 | 2017-08-02 | Divest stripper of high power cladding light and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526173.0A CN107144927A (en) | 2017-08-02 | 2017-08-02 | Divest stripper of high power cladding light and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107144927A true CN107144927A (en) | 2017-09-08 |
Family
ID=59785959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710526173.0A Pending CN107144927A (en) | 2017-08-02 | 2017-08-02 | Divest stripper of high power cladding light and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107144927A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429457A (en) * | 2019-08-19 | 2019-11-08 | 北京东方锐镭科技有限公司 | A kind of hot and cold water sink component for laser crystal |
| CN112086851A (en) * | 2020-08-17 | 2020-12-15 | 江苏永鼎光纤科技有限公司 | Three-clad quartz optical fiber with inner cladding doped with alkali metal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257399A (en) * | 2013-04-26 | 2013-08-21 | 中国人民解放军国防科学技术大学 | Device used for fiber laser and capable of filtering out cladding light |
| CN204631286U (en) * | 2015-04-28 | 2015-09-09 | 大族激光科技产业集团股份有限公司 | Cladding light stripper and cladding light stripper cooling system |
| CN106405737A (en) * | 2016-10-09 | 2017-02-15 | 武汉锐科光纤激光技术股份有限公司 | Cladding power stripper for removing high-order mode laser and manufacturing method of cladding power stripper |
-
2017
- 2017-08-02 CN CN201710526173.0A patent/CN107144927A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257399A (en) * | 2013-04-26 | 2013-08-21 | 中国人民解放军国防科学技术大学 | Device used for fiber laser and capable of filtering out cladding light |
| CN204631286U (en) * | 2015-04-28 | 2015-09-09 | 大族激光科技产业集团股份有限公司 | Cladding light stripper and cladding light stripper cooling system |
| CN106405737A (en) * | 2016-10-09 | 2017-02-15 | 武汉锐科光纤激光技术股份有限公司 | Cladding power stripper for removing high-order mode laser and manufacturing method of cladding power stripper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429457A (en) * | 2019-08-19 | 2019-11-08 | 北京东方锐镭科技有限公司 | A kind of hot and cold water sink component for laser crystal |
| CN112086851A (en) * | 2020-08-17 | 2020-12-15 | 江苏永鼎光纤科技有限公司 | Three-clad quartz optical fiber with inner cladding doped with alkali metal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205333909U (en) | Coating film type covering luminous power stripper | |
| WO2020238933A1 (en) | Photonic crystal fiber, preform thereof, preparation method, and use | |
| FI81209C (en) | One-mode optical waveguide fiber and the method of producing its | |
| CN206573738U (en) | Low loss fiber | |
| CN105826802B (en) | A kind of cladding light stripper and preparation method thereof for optical fiber laser | |
| CN107144927A (en) | Divest stripper of high power cladding light and preparation method thereof | |
| EP3133426B1 (en) | Optical fiber article for handling h igher power and method of fabricating or using it | |
| CN102255227A (en) | Optical fiber cladding light filter and manufacturing method thereof | |
| CN104852258B (en) | Using the multikilowatt fibre cladding power stripper of microchannel water cooling | |
| CN110011170A (en) | A method of efficiently filtering out optical fiber high-order mode | |
| CN106469888A (en) | A kind of optical fibre device and preparation method thereof | |
| CN102998741A (en) | Active optical fiber structure for gaining application and achieving method thereof | |
| CN104900478B (en) | Large-power microwave electrodeless ultraviolet lamp based on microwave excitation, and preparing method thereof | |
| CN102736170B (en) | Optical fiber image transmission element with square optical fiber structure | |
| CN208423447U (en) | A kind of high-capacity optical fiber laser pump light device for stripping | |
| CN107179580A (en) | Side for divesting high power cladding light couples optical fiber and preparation method thereof | |
| CN107017546A (en) | The high-power fiber highly efficient cooling device and method of modal loss control can be achieved | |
| CN105785510A (en) | Tapering method-based optical fiber coupler and manufacturing method thereof | |
| CN107037538A (en) | A kind of fibre cladding power stripper and its manufacture method | |
| CN107132613A (en) | A kind of leakage path type optical fiber and its production method | |
| CN106898939A (en) | Low reflective grid and cladding light power stripper combination device in optical fiber laser | |
| CN109188608B (en) | A kind of laser energy wire jumper and preparation method thereof | |
| CN106542730A (en) | A kind of chiller | |
| CN108761636A (en) | It is a kind of to absorb optical fiber structure of cladding light and preparation method thereof | |
| CN107153241A (en) | A kind of high efficiency modular optical fiber cooling device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170908 |