CN107621672A - A kind of integrated high power cladding light stripper - Google Patents
A kind of integrated high power cladding light stripper Download PDFInfo
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- CN107621672A CN107621672A CN201610556868.9A CN201610556868A CN107621672A CN 107621672 A CN107621672 A CN 107621672A CN 201610556868 A CN201610556868 A CN 201610556868A CN 107621672 A CN107621672 A CN 107621672A
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Abstract
A kind of integrated high power cladding light stripper,Including stripper bottom plate (1),Two fix press strip (10),Optical fiber (2),It is characterized in that,Wherein stripper bottom plate (1) has multiple optical fiber ducts,In the snakelike multiple optical fiber ducts being pivotally mounted on stripper bottom plate (1) of optical fiber (2),Optical fiber (2) is fixed in multiple optical fiber ducts by two fixation press strips (10),There is stripper cover plate to be fixedly mounted on stripper bottom plate (1),Making optical fiber (2) and two fixation press strips, (10 are clipped between stripper bottom plate (1) and stripper cover plate,There is cooling water channel (101) position corresponding with optical fiber duct in stripper bottom plate (1),The water inlet water nozzle (14) and delivery port water nozzle (15) of cooling water channel (101) are respectively in the both sides of stripper bottom plate (1),By the optical fiber (2) in optical fiber duct except overlay,And scribble guide-lighting heat-conducting glue around the optical fiber (2) except overlay.The stripper of the present invention makes simple, and non-maintaining, reliability is high, available for commercially producing.
Description
Technical field
The present invention is a kind of integrated high power cladding light stripper, belongs to laser field, especially belongs to high power all -fiber
Field of lasers.
Technical background
With the increase in demand of industrial market and military field, the application demand of high-capacity optical fiber laser is more and more.
It is derived mainly from many excellent specific properties such as its good beam quality, integrated level height, high conversion efficiency, non-maintaining.Increasing material manufacturing, work
Industry processing, military defense and the light source requirements injured make it that the market share that high-capacity optical fiber laser occupies is more and more.
High-capacity optical fiber laser application field is constantly expanded.Industrial market is mainly used in automobile, aircraft, large ship
Manufacturing industry in, to the laser formation of thick sheet metal, welding and cutting etc. process, and metal material laser gain material manufacture；
Military field is mainly favored in its high-quality high power laser sources.Output work requirement of these applications at present to optical fiber laser
Reach multikilowatt or even myriawatt level.Higher requirement is it is also proposed to beam quality simultaneously, and it is to ensure Gao Gong that cladding light, which filters out,
One of effective means of rate optical fiber laser high light beam quality, and the measure for keeping beam quality most widely used at present.
High-capacity optical fiber laser is typically using the optical fiber of double-clad structure as gain and transmission medium, and laser is mainly about
Transmitted in the fibre core that tens microns of Shu Qi, possess the excellent specific property of high light beam quality.But by residual in unabsorbed covering
Remaining pump light, higher order mode laser is leaked in covering in fibre core caused by gain fibre winds bending in fiber reel, fusing point
Loss causes the influence of the factors such as fibre core laser leakage so that has one in the energy-transmitting optical fibers at cladding of high-capacity optical fiber laser
Subcontract layer light.The presence of these cladding lights can deteriorate output laser beam quality, and to next stage amplifier (N+1) ×
1 type pump light bundling device brings heating pressure.Cladding light stripper laser when filtering out cladding light can produce substantial amounts of heat, if
The heat of optical fiber surface is discharged not in time, fiber optic materials can be caused to burn when serious.The most frequently used take is handled to cladding light
Measure is filtered out to cladding light, keeps laser to constrain in high light beam quality in fibre core and transmits.In high power all -fiber pulsed light laser
In device, general resonator, pre-amplification stage, main amplifier stage are required for filtering out cladding light, and three are typically at least needed using stripper, and
And the optical fiber fibre footpath parameter filtered out needed for each stripper is inconsistent, therefore three different types of strippers need to be used.
The patent of invention for being related to cladding light stripper at present there is now a lot, but most of is that individual devices realize single position
That puts filters out, and can only realize the cladding light filtering function of one position of optical fiber laser, and the single device that filters out solves single position
Filter out.Multiple cladding light strippers are needed in one high-capacity optical fiber laser, each device is all separate, discrete use.
One high-power all-fiber laser includes resonator, first order amplifier, second level amplifier etc., it is necessary to which multiple positions are filtered
Remove, filter out device using discrete and can reduce the integrated level of high-capacity optical fiber laser.
The content of the invention
The invention aims to solve problem present in technical background and the deficiencies in the prior art, propose
A kind of integrated high power cladding light stripper.
A kind of integrated high power cladding light stripper, including stripper bottom plate 1, two fix press strip 10, optical fiber 2, its feature
It is, wherein stripper bottom plate 1 has multiple optical fiber ducts, the snakelike multiple optical fiber being pivotally mounted on stripper bottom plate 1 of optical fiber 2
In groove, optical fiber 2 is fixed in multiple optical fiber ducts by two fixation press strips 10, has stripper cover plate to be fixedly mounted on stripper bottom plate 1
On, optical fiber 2 and two is fixed press strip 10 and be clipped between stripper bottom plate 1 and stripper cover plate, in the stripper bottom plate 1 and optical fiber
There is cooling water channel 101 the corresponding position of groove, and the water inlet water nozzle 14 and delivery port water nozzle 15 of cooling water channel 101 are respectively in stripper
The both sides of bottom plate 1, by the optical fiber 2 in optical fiber duct except overlay, and scribble leaded light around the optical fiber 2 except overlay and lead
Hot glue, left end leaded light heat conduction solidification glue 160, right-hand member leaded light heat conduction solidification glue 170 consolidate the both ends of the optical fiber 2 except overlay
It is scheduled in optical fiber duct.
It is resonator in the input of optical fiber 2, amplifier is installed on the optical fiber 2 between each two optical fiber duct；Each
Amplifier has semiconductor laser, bundling device and gain fibre successively on optical fiber 2；
Resonator has semiconductor laser, bundling device, grating, gain fibre and grating successively from the input of optical fiber 2；
Output end cap is installed in output end.
Described stripper bottom plate 1 is the metal or metal alloy material that thermal conductivity factor is more than 100W/mK.
Described optical fiber 2 is double clad, more covering energy-transmission optic fibres or single cladded-fiber.
Optical fiber 2 in multiple optical fiber ducts is respectively the optical fiber of different parameters.
Optical fiber 2 in multiple optical fiber ducts is the optical fiber of same model.
The refractive index of the guide-lighting heat-conducting glue scribbled around the optical fiber 2 except overlay is more than or equal to 1.45.
The guide-lighting heat-conducting glue that is scribbled around the optical fiber 2 except overlay while fill up optical fiber duct.
The beneficial effects of the invention are as follows：
1) multiple optical fiber ducts are used on a bottom plate, filtering function can be realized in each optical fiber duct, one filters out
Device realizes multiple discrete cladding light filtering functions for filtering out device；
2) number and shape size parameter for filtering out groove can filter out according to the actually required number for filtering out position and respectively position
The optical fiber fibre footpath parameter designing put, this integrated high power cladding light stripper it is applied widely；
3) each filter out is corresponding with cooling water channel under groove location, can efficiently radiate, improve the reliability of stripper
And security；
4) stripper of the invention makes simple, non-maintaining, and reliability is high, available for commercially producing.
Brief description of the drawings
The schematic diagram of stripper bottom plate 1 of Fig. 1 embodiment of the present invention one；
The two of Fig. 2 embodiment of the present invention one fix the schematic diagram of one of press strip 10；
The water channel schematic diagram of the stripper bottom plate 1 of Fig. 3 embodiment of the present invention one；
The stripper bottom plate 1 of Fig. 4 embodiment of the present invention one fixes optical fiber solutions schematic diagram；
The structural representation of the rate stripper bottom plate 1 of Fig. 5 embodiment of the present invention one；
Fig. 6 embodiment of the present invention one uses schematic diagram structural representation in a MOPA structure high-capacity optical fiber laser
Figure；
Fig. 7 embodiment of the present invention two is filtered out using schematic diagram to multiple high-capacity optical fiber laser cladding lights.
Specific implementation method
A kind of integrated high power cladding light stripper, including stripper bottom plate 1, two fix press strip 10, optical fiber 2, its feature
It is, wherein stripper bottom plate 1 has multiple optical fiber ducts, the snakelike multiple optical fiber being pivotally mounted on stripper bottom plate 1 of optical fiber 2
In groove, optical fiber 2 is fixed in multiple optical fiber ducts by two fixation press strips 10, has stripper cover plate to be fixedly mounted on stripper bottom plate 1
On, optical fiber 2 and two is fixed press strip 10 and be clipped between stripper bottom plate 1 and stripper cover plate, in the stripper bottom plate 1 and optical fiber
There is cooling water channel 101 the corresponding position of groove, and the water inlet water nozzle 14 and delivery port water nozzle 15 of cooling water channel 101 are respectively in stripper
The both sides of bottom plate 1, by the optical fiber 2 in optical fiber duct except overlay, and scribble leaded light around the optical fiber 2 except overlay and lead
Hot glue, left end leaded light heat conduction solidification glue 160, right-hand member leaded light heat conduction solidification glue 170 consolidate the both ends of the optical fiber 2 except overlay
It is scheduled in optical fiber duct.
It is resonator in the input of optical fiber 2, amplifier is installed on the optical fiber 2 between each two optical fiber duct；Each
Amplifier has semiconductor laser, bundling device and gain fibre successively on optical fiber 2；
Resonator has semiconductor laser, bundling device, grating, gain fibre and grating successively from the input of optical fiber 2；
Output end cap is installed in output end.
Described stripper bottom plate 1 is the metal or metal alloy material that thermal conductivity factor is more than 100W/mK.
Described optical fiber 2 is double clad, more covering energy-transmission optic fibres or single cladded-fiber.
Optical fiber 2 in multiple optical fiber ducts is respectively the optical fiber of different parameters.
Optical fiber 2 in multiple optical fiber ducts is the optical fiber of same model.
The refractive index of the guide-lighting heat-conducting glue scribbled around the optical fiber 2 except overlay is more than or equal to 1.45.
The guide-lighting heat-conducting glue that is scribbled around the optical fiber 2 except overlay while fill up optical fiber duct.
The present invention is done as described in detail below with reference to accompanying drawing, integrated high power cladding light stripper of the present invention, its
It is characterised by that the optical fiber progress cladding light that a stripper can be similar and different to more filters out, these optical fiber can come
Optical fiber laser or multiple optical fiber lasers as MOPA structure.What the present invention was taken, which filters out part, to filter out
The cladding light of hectowatt magnitude.Herein it should be noted that three optical fiber ducts are used to filter out for illustrating to understand the present invention, in order that
The present invention program specifically understands, does not form limitation of the invention, optical fiber duct of the invention and filters out fiber count and can be more than
Three.
The present invention is done as described in detail below with reference to accompanying drawing：
A kind of integrated high power cladding light stripper of the present invention, its structure is by a stripper bottom plate 1 (such as Fig. 1, Fig. 3 institute
Show), two fix press strips 10 (as shown in Figure 2), optical fiber 21 (as shown in Figure 4), optical fiber 22 (as shown in Figure 4), (such as Fig. 4 of optical fiber 23
It is shown), guide-lighting heat conduction solidification glue 160 (as shown in Figure 4), guide-lighting heat conduction solidification glue 170 (as shown in Figure 4), n1 leaded light heat-conducting glues
(as shown in Figure 5), n2 leaded lights heat-conducting glue (as shown in Figure 5), n3 leaded lights heat-conducting glue composition (as shown in Figure 5).It is characterized in that filter
Except there is multiple optical fiber ducts on device bottom plate 1, heat conduction leaded light glue is used in each optical fiber duct, can respectively to optical fiber 21, optical fiber 22,
Cladding light in optical fiber 23 is filtered out, and one filters out device and possesses multiple filtering functions.
Stripper bottom plate 1 filters out position for integrated high power cladding light stripper, and making material is more than for thermal conductivity factor
100W/mK metal or metal alloy material.There are the optical fiber duct 11, optical fiber duct 12, optical fiber duct 13 of equidistantly distributed, optical fiber thereon
Groove can be V-type, U-shaped, round, and optical fiber duct size parameter is slightly larger than optical fiber 21, optical fiber 22, the diameter of optical fiber 23, each optical fiber duct
It is beneath to have independent water channel.There are square groove 16, side respectively along the direction both ends of optical fiber duct 11, optical fiber duct 12, optical fiber duct 13
Connected in star 17, depth of groove are slightly larger than optical fiber duct, and particular location is as shown in Figure 1.Along optical fiber duct 11, optical fiber duct 12, optical fiber duct
There is screwed hole 19 4 13 direction edges at two ends part, and particular location is as shown in Figure 1.Screwed hole 19 is in square groove 16, side
The outside of connected in star 17.Have respectively along the direction both sides of optical fiber duct 11, optical fiber duct 12, optical fiber duct 13 and have water nozzle 14, water nozzle 15,
Water nozzle 14 connects water channel 101 with water nozzle 15, and water channel 101 is used for the refrigeration of stripper, is typically used as cooling medium by the use of deionized water.
Optical fiber 21, optical fiber 22, optical fiber 23 are the optical fiber of different parameters or the optical fiber of same model, can be double clad/more bags
Layer energy-transmission optic fibre, common fine footpath have 10/130 μm, 15/10 μm, 25/250 μm, 30/250 μm, 20/400 μm, 25/400 μm, 30/
400 μm, 30/600 μm, 50/70/360 μm, 100/120/360 μm, 400/440/660 μm, 600/660/720 μm etc..Can also
For single cladded-fiber optical fiber, such as 6/125 μm of single-mode fiber, 200/220 μm, 220/242 μm of energy-transmission optic fibre.21 are placed on optical fiber duct
In 11, optical fiber 22 is placed in optical fiber duct 12, and optical fiber 23 is placed in optical fiber duct 13.Optical fiber 21, optical fiber 22, optical fiber 23 can be
Same optical fiber, corresponding optical fiber duct 11, optical fiber duct 12, the dimensional parameters of optical fiber duct 13 also correspond to consistent.If optical fiber 21, optical fiber
22nd, optical fiber 23 is same fiber, corresponding optical fiber duct 11, optical fiber duct 12, optical fiber duct 13 do not need corresponding difference yet.Optical fiber 21,
Optical fiber 22, the inner cladding of optical fiber 23 just need the object being filtered out, and are guided the cladding light in it by guide-lighting heat-conducting glue
And dissipate, coat is removed in the wherein part in the place optical fiber duct 11 of optical fiber 21, the portion in the place optical fiber duct 12 of optical fiber 22
Divide and remove coat, coat is removed in the part in the place optical fiber duct 13 of optical fiber 23.Two fixation press strips 10 are used to filter out
Optical fiber 21, optical fiber 22, the coat of optical fiber 23, fixed optical fiber 21, optical fiber 22, optical fiber 23 are pushed down on device bottom plate 1.
Guide-lighting heat conduction solidification glue 160, guide-lighting heat conduction solidification glue 170 are respectively placed in square groove 16, square groove 17.Its
Optical fiber 21, optical fiber 22, optical fiber 23 are flooded respectively, and optical fiber 21, optical fiber 22, optical fiber 23 are separately fixed at optical fiber duct 11, optical fiber duct
12nd, in optical fiber duct 13.Added with guide-lighting heat conduction solidification glue 160, guide-lighting heat conduction solidification glue 170 installation drawing as shown in Figure 4, Figure 5.
It is even to be distributed in square groove 16, square groove 17.Guide-lighting heat conduction solidification glue 160, the refractive index of guide-lighting heat conduction solidification glue 170 are all
Less than 1.45, power is not filtered out substantially, is approached with the coat refractive index of optical fiber.But its light transmittance is more than 90%, heat conduction
Coefficient is not less than 2W/mK, and mainly guide-lighting heat-conducting medium and fixed optical fiber are used.
The refractive index of n1 leaded light heat-conducting glues is n1, and n1 value is more than or equal to 1.45.It is coated uniformly on 21 in optical fiber duct 11
Without coating layer segment on optical fiber, and radiated with the surface metal contacts of optical fiber duct 11, it is used to filter out optical fiber 21 in optical fiber duct 11
Cladding light.
The refractive index of n2 leaded light heat-conducting glues is n2, and n2 value is more than or equal to 1.45.It is coated uniformly on 22 in optical fiber duct 12
Without coating layer segment on optical fiber, and radiated with the surface metal contacts of optical fiber duct 12, it is used to filter out optical fiber 22 in optical fiber duct 12
Cladding light.
The refractive index of n3 leaded light heat-conducting glues is n3, and n3 value is more than or equal to 1.45.It is coated uniformly on 23 in optical fiber duct 13
Without coating layer segment on optical fiber, and radiated with the surface metal contacts of optical fiber duct 13, it is used to filter out optical fiber 23 in optical fiber duct 13
Cladding light.
Application of the apparatus of the present invention in the high-capacity optical fiber laser of MOPA structures as shown in fig. 6, fiber resonance cavity by
The pump light of semiconductor laser is imported into the oscillator being made up of two gratings and gain fibre by bundling device, footpath grating pair
Come and go oscillator gain and form laser output.The output end of resonator is optical fiber 21, goes coating layer segment to pass through optical fiber duct 11, by it
In the n1 leaded light heat-conducting glues that uniformly coat filter out light in covering.The 21 optical fiber outputs termination first order amplifier being filtered out, the
The pump light of semiconductor laser is imported into the covering of gain fibre by first stage amplifier by bundling device, then is absorbed by covering
Amplify in fibre core gain media.The output end of first order amplifier is optical fiber 22, by optical fiber duct 12, is wherein uniformly coated
N2 leaded light heat-conducting glues filter out the light in covering.The output optical fibre 22 of first order amplifier, what it removed coat is partially disposed in light
In fine groove 12, the n2 leaded light heat-conducting glues wherein uniformly coated filter out the light in covering.The final output end link the of optical fiber 22
Two-stage amplifier, second level amplifier not only importeding into semiconductor laser in the covering of gain fibre by bundling device, then
Absorbed by covering and amplified in fibre core gain media, general second level amplifier is main power amplification, and the fine footpath of optical fiber is big
Small gain fibre fibre footpath used by being not less than first order amplifier, its amplifying power are also higher than first order amplifier.The second level
The output end of amplifier is optical fiber 23, and by optical fiber duct 13, the n3 leaded light heat-conducting glues wherein uniformly coated are filtered out in covering
Light.Filtering out for three phases all uses same stripper, reduces stripper and uses number, reduces the cost of optical fiber laser
The integrated level of optical fiber laser is improved simultaneously.
The present invention can be used for multiple independent optical fiber and swash in addition to the single fiber laser that can apply to MOPA structures
In light device, be particularly suitable for use in high power Spectral beam combining, in the high-capacity optical fiber laser array of optics coherence tomography.Its application mode is such as
Shown in Fig. 7, three independent high-capacity optical fiber lasers respectively can filter out output tail optical fiber by integrated high power cladding light
In multiple optical fiber ducts of device, through the discrete cladding light for filtering out each optical fiber laser of guide-lighting heat-conducting glue.Wherein optical fiber laser
31 output optical fibre 21 goes coat to be partially disposed in optical fiber duct 11, and the n1 leaded light heat-conducting glues wherein uniformly coated filter out
Light in covering, then laser is exported by output end cap；The output optical fibre 22 of optical fiber laser 32 goes coat to be partially disposed in
In optical fiber duct 12, the n2 leaded light heat-conducting glues wherein uniformly coated filter out the light in covering, then export laser by output end cap；Light
The output optical fibre 23 of fibre laser 33 goes coat to be partially disposed in optical fiber duct 13, and the n3 leaded lights wherein uniformly coated are led
Hot glue filters out the light in covering, then exports laser by output end cap.The output optical fibre of each optical fiber laser can be identical parameters
Optical fiber, or the optical fiber of different parameters, can use the present invention integrated high power cladding light stripper.
The integrated high power all-fiber devices of the present invention both can apply to the covering of High power CW optical fiber laser
Light filters out, and the cladding light for being also applied for high power pulse optical fiber laser filters out.
One of ordinary skill in the art is it should be appreciated that above implementation is intended merely to the explanation present invention, and is not
As limitation of the invention, as long as within the scope of the invention, change, modification to above example will all fall the present invention's
Protection domain.Such as the number and shape size simple variant by the optical fiber duct of claim 1, the shape of cooling water channel and side
To simple variant, simple distributing order for changing optical fiber duct etc. is all within protection scope of the present invention.
A kind of integrated high power cladding light stripper, its structure by a stripper bottom plate 1, two fix press strip 10, optical fiber 21,
Optical fiber 22, optical fiber 23, guide-lighting heat conduction solidification glue 160, guide-lighting heat conduction solidification glue 170, n1 leaded lights heat-conducting glue, n2 leaded lights heat-conducting glue,
N3 leaded lights heat-conducting glue forms.It is characterized in that there are multiple optical fiber ducts on stripper bottom plate 1, led in each optical fiber duct using heat conduction
Optical cement, cladding light can be carried out to optical fiber 21, optical fiber 22, optical fiber 23 respectively and filtered out, possess multiple filtering functions.
Described stripper bottom plate 1 is the metal or metal alloy material that thermal conductivity factor is more than 100W/mK.Have thereon
Spacing distribution optical fiber duct 11, optical fiber duct 12, optical fiber duct 13, along optical fiber duct 11, optical fiber duct 12, optical fiber duct 13 direction both ends
There are square groove 16, square groove 17 respectively.Along optical fiber duct 11, optical fiber duct 12, optical fiber duct 13 direction edges at two ends part
There is screwed hole 19.Screwed hole 19 is in the outside of square groove 16, square groove 17.Along optical fiber duct 11, optical fiber duct 12, optical fiber duct
13 direction both sides have respectively and have water nozzle 14, water nozzle 15, and water nozzle 14 connects water channel 101 with water nozzle 15.
Described optical fiber 21, optical fiber 22, optical fiber 23 are the optical fiber of different parameters or the optical fiber of same model, can be double-contracting
Layer/more covering energy-transmission optic fibres, or single cladded-fiber.It is the object being filtered out, and optical fiber 21 is placed in optical fiber duct 11,
Optical fiber 22 is placed in optical fiber duct 12, and optical fiber 23 is placed in optical fiber duct 13.
Two described fixation press strips 10 are used for the coating that optical fiber 21, optical fiber 22, optical fiber 23 are pushed down on stripper bottom plate 1
Layer, fixed optical fiber 21, optical fiber 22, optical fiber 23.
The guide-lighting heat conduction solidification glue 160, guide-lighting heat conduction solidification glue 170 are respectively placed in square groove 16, square groove
17.It floods optical fiber 21, optical fiber 22, optical fiber 23 respectively, and optical fiber 21, optical fiber 22, optical fiber 23 are separately fixed at into optical fiber duct 11, light
In fine groove 12, optical fiber duct 13.
The refractive index of the n1 leaded lights heat-conducting glue is n1, and n1 value is more than or equal to 1.45, and it is used to filter out in optical fiber duct 11
The cladding light of optical fiber 21.
The refractive index of described n2 leaded light heat-conducting glues is n2, and n2 value is more than or equal to 1.45, and it is used to filter out optical fiber duct 12
The cladding light of middle optical fiber 22.
The refractive index of described n3 leaded light heat-conducting glues is n3, and n3 value is more than or equal to 1.45, and it is used to filter out optical fiber duct 13
The cladding light of middle optical fiber 23.
The present invention discloses a kind of integrated high power cladding light stripper, solves to filter out device in high-capacity optical fiber laser
The problem of discrete use, the integrated level of full-optical-fiber laser is improved, an integrated high power cladding light stripper, can apply to
Resonator cladding light filters out, the cladding light of first order amplifier filters out, the cladding light of second level amplifier filters out.The present invention's
Stripper makes that simple, cost is low, ability is filtered out to cladding light in hectowatt magnitude, can be widely applied to high-capacity optical fiber laser
In, while the high power cladding light stripper of the present invention can be realized and commercially produced.
The integrated high power cladding light stripper of the present invention is mainly used in the thousand of MOPA (master oscillation power amplification) structure
Watt magnitude and the continuous light full-optical-fiber laser of the above and the pulse full-fiber laser of MOPA structures.
The present invention discloses a kind of integrated high power cladding light stripper, can solve the covering in high-capacity optical fiber laser
Light filters out, and solves the problems, such as to filter out the discrete use of device again, improves the integrated level of full-optical-fiber laser.One integrated high power bag
Layer light stripper, can apply to that resonator cladding light filters out, the cladding light of first order amplifier filters out, second level amplifier
Cladding light filters out.
Multiple optical fiber ducts are processed on a stripper bottom plate, according to resonator, first order amplifier, second level amplifier
Corresponding optical fiber duct is processed Deng output energy-transmission optic fibre fibre footpath parameter.And these are needed to carry out the energy-transmission optic fibre that filters out of cladding light
Position is positioned on same stripper bottom plate.The energy-transmission optic fibre of coat is being removed according to the content of each position cladding light
Guide-lighting heat-conducting glue is uniformly coated outside, cladding light can be filtered out and can transferring away its caused heat.Each filter out groove
There is corresponding water channel radiating refrigeration under position, avoid heat is too high from burning optical fiber.One integrated stripper can will be multiple
The cladding light of position filters out, and the optical fiber duct number and shape size parameter on stripper can need to filter out position according to optical fiber laser
Put number and respectively filter out the parameter processing of position fibre footpath and determine.Light can be improved using the integrated high power cladding light stripper of the present invention
The over all Integration degree of fibre laser.
Claims (7)
1. a kind of integrated high power cladding light stripper, including stripper bottom plate (1), two fixation press strips (10), optical fiber (2), its
It is characterised by, wherein stripper bottom plate (1) there are multiple optical fiber ducts, and optical fiber (2) is snakelike to be pivotally mounted on stripper bottom plate (1)
In multiple optical fiber ducts, optical fiber (2) is fixed in multiple optical fiber ducts by two fixation press strips (10), there is the fixed installation of stripper cover plate
On stripper bottom plate (1), make optical fiber (2) and two fix press strips (10 are clipped between stripper bottom plate (1) and stripper cover plate,
There are cooling water channel (101), the water inlet water nozzle of cooling water channel (101) in position corresponding with optical fiber duct in stripper bottom plate (1)
(14) and delivery port water nozzle (15) is respectively in the both sides of stripper bottom plate (1), by the optical fiber (2) in optical fiber duct except overlay,
And guide-lighting heat-conducting glue is scribbled around the optical fiber (2) except overlay, left end leaded light heat conduction solidification glue (160), right-hand member are guide-lighting
Heat conduction solidification glue (170) will be fixed in optical fiber duct except the both ends of the optical fiber of overlay (2).
It is resonator in the input of optical fiber (2), amplifier is installed on the optical fiber (2) between each two optical fiber duct；Each
Amplifier has semiconductor laser, bundling device and gain fibre successively on optical fiber (2)；
The input of resonator from optical fiber (2) has semiconductor laser, bundling device, grating, gain fibre and grating successively；
Output end cap is installed in output end.
A kind of 2. integrated high power cladding light stripper according to claim 1, it is characterised in that described stripper bottom
Plate 1 is the metal or metal alloy material that thermal conductivity factor is more than 100W/mK.
A kind of 3. integrated high power cladding light stripper according to claim 1 or 2, it is characterised in that described optical fiber
(2) it is double clad, more covering energy-transmission optic fibres or single cladded-fiber.
4. a kind of integrated high power cladding light stripper according to claim 3, it is characterised in that in multiple optical fiber ducts
Interior optical fiber (2) is respectively the optical fiber of different parameters.
5. a kind of integrated high power cladding light stripper according to claim 3, it is characterised in that in multiple optical fiber ducts
Interior optical fiber (2) is the optical fiber of same model.
A kind of 6. integrated high power cladding light stripper according to claim 4 or 5, it is characterised in that it is described except
The refractive index of the guide-lighting heat-conducting glue scribbled around the optical fiber (2) of overlay is more than or equal to 1.45.
A kind of 7. integrated high power cladding light stripper according to claim 4 or 5, it is characterised in that it is described except
The guide-lighting heat-conducting glue that is scribbled around the optical fiber (2) of overlay while fill up optical fiber duct.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818243A (en) * | 2019-02-22 | 2019-05-28 | 深圳技术大学（筹） | a fiber amplifier |
| CN111854291A (en) * | 2020-01-20 | 2020-10-30 | 中国科学院上海光学精密机械研究所 | High-efficiency active heat exchange spectral beam-combining grating integrated module and preparation method thereof |
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