CN114006246A - Laser with high-power multi-mode beam combiner - Google Patents
Laser with high-power multi-mode beam combiner Download PDFInfo
- Publication number
- CN114006246A CN114006246A CN202111253298.3A CN202111253298A CN114006246A CN 114006246 A CN114006246 A CN 114006246A CN 202111253298 A CN202111253298 A CN 202111253298A CN 114006246 A CN114006246 A CN 114006246A
- Authority
- CN
- China
- Prior art keywords
- laser
- pipe
- bending
- cooling
- optical fiber
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H01S3/02—Constructional 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0407—Liquid cooling, e.g. by water
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a laser with a high-power multi-mode beam combiner, which belongs to the technical field of lasers and comprises a laser shell, wherein a laser source group, a beam combiner, an isolator, a homogenizing mirror and a zooming mechanism are arranged in the laser shell, a power line is connected to the laser source group, the laser source group is connected with the beam combiner through an optical fiber, the beam combiner is connected with the isolator through the optical fiber, the isolator transmits laser into the homogenizing mirror through the optical fiber, the homogenizing mirror homogenizes the laser, the homogenizing mirror transmits the homogenized laser into the zooming mechanism, the zooming mechanism focuses the laser, and the zooming mechanism outputs the focused laser through a protective mirror. The optical fiber is provided with the bending tube, the bending tube adjusts the bending angle and the shape of the optical fiber, the spatial distribution of the laser beam output by the optical fiber is improved, the effect of homogenizing light spots is achieved, and the light spot homogenizing effect is improved through the mutual matching of the bending tube and the homogenizing mirror.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a laser with a high-power multi-mode beam combiner.
Background
The optical fiber coupling output laser generates heat due to long-time work in the use process, the existing cooling mode is cooling through cooling liquid or a fan, but in the process of using the cooling liquid alone, the flowing of the cooling liquid can enable the cooling liquid in contact with a device to absorb a large amount of heat, and the cooling liquid not in contact with the device can not well participate in the cooling process, so that the utilization rate of the cooling liquid is reduced, the cooling liquid has limitation on the absorption of heat, and the laser is damaged, and the normal use of the laser is influenced; the traditional fan has poor heat dissipation effect and cannot meet the long-time heat dissipation requirement, so that the prior art cannot meet the cooling requirement of people.
The optical fiber coupling output laser is paid much attention to because of the advantages of flexible use, excellent output spot mode and the like, but when the optical fiber coupling output laser is used, output laser is irradiated on a processing material, so that large reflected light is generated, and if the reflected light cannot be eliminated, the reflected light is reflected to the inside of the laser through the optical fiber, so that the working stability of the laser is influenced.
And because the optical fiber used for high-power transmission is a multimode optical fiber, the distribution of the optical power is influenced by a high-order mode of an output beam, and the phenomena of a facula ring, a dark center or a flashlight and the like are caused.
Disclosure of Invention
The present invention is directed to a laser with a high power multimode combiner to solve the above-mentioned problems.
In order to solve the technical problems, the invention provides the following technical scheme: a laser with a high-power multi-mode beam combiner comprises a laser shell, wherein a laser source group, a beam combiner, an isolator, a homogenizing mirror and a zooming mechanism are arranged in the laser shell, a power line is connected to the laser source group, the laser source group is connected with the beam combiner through an optical fiber, the beam combiner is connected with the isolator through the optical fiber, the isolator transmits laser into the homogenizing mirror through the optical fiber, the homogenizing mirror homogenizes the laser, the homogenizing mirror transmits the homogenized laser into the zooming mechanism, the zooming mechanism focuses the laser, and the zooming mechanism outputs the focused laser through a protective mirror. The laser shell is provided with a protective lens, a bending pipe is arranged on an optical fiber between the isolator and the homogenizing mirror, the bending pipe is arranged on the optical fiber, the bending pipe adjusts the bending angle and the shape of the optical fiber, the spatial distribution of the laser beam output by the optical fiber is improved, the effect of homogenizing light spots is achieved, meanwhile, the homogenizing mirror performs secondary homogenization on the laser beam, the homogenizing mirror is composed of two positive lenses, the light spot homogenizing effect is improved through the mutual matching of the bending pipe and the homogenizing mirror, and the isolator prevents reflected light from impacting the laser source group.
The laser shell comprises an outer shell, a middle shell and an inner shell, wherein the middle shell is arranged inside the outer shell, the middle shell is arranged outside the inner shell, heat insulation materials are arranged between the middle shell and the outer shell, a water inlet pipe and a water outlet pipe are arranged on the middle shell, cooling liquid flows between the middle shell and the inner shell, a plurality of heating panels are arranged on the inner shell, the heating panels are made of copper materials, and a laser source assembly, a beam combiner, an isolator, a homogenizing mirror and a zooming mechanism are arranged in the inner shell. The temperature of isolation material in with external environment and interior casing is kept apart, avoid the temperature in the interior casing to receive external environment temperature's influence, inlet tube and outlet pipe are used for the coolant liquid that flows, inlet tube and outlet pipe all with water cooling system pipe connection, the coolant liquid flows between well casing and interior casing, adjust through the temperature of coolant liquid in the interior casing, the heat in the interior casing of heating panel absorption under the influence of coolant liquid, make the inside cooling of interior casing, thereby provide its required operational environment for each device.
Through two linking pipe fixed connection between shell body, well casing and the interior casing, the power cord passes a linking pipe and is connected with external power, another be provided with the goggles in the linking pipe, zoom mechanism is connected with the linking pipe of installing the goggles, shell body, well casing and interior casing are provided with the stirring tuber pipe jointly and go out the tuber pipe, be provided with in the stirring tuber pipe and stir the fan, stir tuber pipe and air supply system pipe connection.
The isolator outside is provided with cooling mechanism, cooling mechanism includes the shell that will cool down, be provided with two water-cooled tubes on the shell of cooling, every the one end of water-cooled tube all is provided with the extension board, the extension board is provided with the roating sphere through the rope, be provided with the screw fan on the roating sphere, the one end that the extension board was installed to the water-cooled tube is provided with the expansion pipe, the screw fan is located the expansion pipe, water-cooled tube and water cooling system pipe connection, the inside water-cooled shell that is provided with of shell of cooling, the isolator is located inside the water-cooled shell, the inside one end of keeping away from the water-cooled tube of shell is provided with two baffles, the one end and the water-cooled shell of baffle are fixed, one of them terminal surface of baffle does not contact with the shell inner wall of cooling, the inside delivery port of having seted up in one side of baffle of shell of cooling, delivery port and water cooling system pipe connection. The spiral fan rotates under the impact of coolant liquid, make the flow of coolant liquid become chaotic, make the coolant liquid produce the sinuous flow in the cooling shell, make the heat exchange efficiency between coolant liquid of high temperature and the cryogenic cooling liquid improve, increase the contact probability of cryogenic cooling liquid and water-cooling shell, improve the cooling effect of coolant liquid, the baffle blocks the flow of coolant liquid, make the dwell time extension of coolant liquid in the cooling shell, cool down the isolator through the water-cooling shell, prevent that the isolator from rising in the temperature after keeping apart the reverberation.
Every flabellum of spiral fan is hollow structure, all installs the weight bias ball in the hollow structure of flabellum, the position removal takes place along with the rotation of flabellum for the weight bias ball. The position of the weight ball is moved under the rotation of the fan blades, so that the weight of the whole spiral fan deviates, the weight of the spiral fan deviates, the spiral fan swings and sways when rotating, the spiral fan swings through the weight ball, the stirring of the spiral fan on cooling liquid is increased, the heat exchange efficiency between the cooling liquid is improved, and the utilization rate of the cooling liquid is improved.
The optical fiber is a multimode optical fiber, a bending tube is sleeved on the optical fiber which is connected with the isolator and the homogenizing mirror, at least two bending rings are arranged in the bending tube, the bending rings are sleeved on the optical fiber and comprise a bending outer ring and a bending inner ring, a plurality of deviation air bags are arranged between the bending outer ring and the bending inner ring, and the deviation air bags are all connected with an air supply system pipeline. The bending outer ring is connected with the bending inner ring through the offset air bags, when air is infused into one of the offset air bags, the bending inner ring is subjected to position offset in the bending outer ring, so that the optical fibers are driven to move, at least two bending rings are matched with each other to realize the bending of the optical fibers, the spatial distribution of laser beams is changed, the distribution of the laser beams is homogenized, and the light spot homogenization degree of the laser beams is improved.
Every two electromagnetic grooves are symmetrically formed in the bending outer ring, electromagnetic plates are arranged at positions, corresponding to the electromagnetic grooves, inside the bending outer ring and located in the electromagnetic grooves, the number of the electromagnetic plates is the same as that of the bending outer ring, permanent magnets are arranged inside the electromagnetic grooves, a plurality of electromagnetic blocks are arranged on the electromagnetic plates, coils are arranged in the electromagnetic blocks, and the plurality of coils are electrically connected with a control system. The electromagnetic plate is located the electromagnetic groove, and the electromagnetic plate restricts the position of bending ring, and the electromagnetic plate attracts the permanent magnet in the electromagnetic groove through the electromagnetism piece, makes the bending ring at the intraductal motion of buckling, and then makes two at least bending rings be close to each other or repel each other, makes optic fibre crooked in the pipe of buckling.
The utility model discloses an optic fibre, including the optic fibre, buckle the inner ring, set up annular swivelling chute on the inner ring of buckling, be provided with the spiral ring in the inner ring of buckling, the spiral ring cover is established in the outside of optic fibre, and the spiral ring outside is provided with the magnetic field ring, the magnetic field ring is arranged in the swivelling chute, all be provided with a plurality of electromagnetic block on the magnetic field ring and in the swivelling chute, the magnetic field ring is through mutually supporting at the swivelling chute internal rotation of a plurality of electromagnetic block, and the magnetic field ring is twisted round through rotatory drive optic fibre. Through making optic fibre twist reverse and buckle and be close to each other between the ring, make optic fibre become helical structure, through the setting of bending ring, realize adjusting the degree of buckling and the shape of optic fibre according to the needs of exporting the facula, and then solved and changed the technical problem of optic fibre structure through changing the pipe of buckling many times.
The connection relation between the stirring fan and the stirring pipe is the same as that between the spiral fan and the water cooling pipe, and the structure of the stirring fan is the same as that of the spiral fan.
The homogenizer consists of two positive lenses.
Compared with the prior art, the invention has the following beneficial effects:
1. the bending tube adjusts the bending angle and the shape of the optical fiber, improves the spatial distribution of the laser beam output by the optical fiber, achieves the effect of homogenizing the light spot, and the homogenizing mirror performs secondary homogenization on the laser beam, and is composed of two positive lenses, and the light spot homogenizing effect is improved through the mutual matching of the bending tube and the homogenizing mirror.
2. The position of the weight ball is moved under the rotation of the fan blades, so that the weight of the whole spiral fan deviates, the weight of the spiral fan deviates, the spiral fan swings and sways when rotating, the spiral fan swings through the weight ball, the stirring of the spiral fan on cooling liquid is increased, the heat exchange efficiency between the cooling liquid is improved, and the utilization rate of the cooling liquid is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front schematic view of the interior half section of the laser housing of the present invention;
FIG. 3 is a schematic left side view of the interior half section of a laser housing of the present invention;
FIG. 4 is a schematic view of the overall internal structure of the present invention;
FIG. 5 is a top view of the internal structure of the cooling housing of the present invention;
FIG. 6 is a schematic view of the construction of the propeller fan of the present invention;
FIG. 7 is a schematic view of the interior of the elbow conduit of the present invention;
FIG. 8 is a schematic view of a meander loop structure of the present invention;
FIG. 9 is a schematic view of the connection between the bent outer ring and the bent inner portion of the present invention;
fig. 10 is a schematic structural view of the bent inner ring of the present invention.
In the figure: 1. a laser housing; 101. an outer housing; 102. a middle shell; 103. an inner housing; 104. a heat dissipation plate; 105. an air stirring pipe; 106. connecting the pipe;
2. protecting the glasses; 3. a power line; 4. a laser source group; 5. a beam combiner;
6. an isolator; 601. a water-cooled tube; 602. a partition plate; 603. water-cooling the shell; 604. an expansion tube; 605. a screw fan; 606. a support plate; 607. a weight-biased ball;
7. a homogenizer mirror; 8. a zoom mechanism;
9. an optical fiber; 901. bending the tube; 902. an electromagnetic plate; 903. bending the outer ring; 904. bending the inner ring; 905. a deflection balloon; 906. a helical ring; 907. a magnetic field loop.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: a laser with a high-power multi-mode beam combiner comprises a laser shell 1, a laser source group 4, a beam combiner 5, an isolator 6, a homogenizing mirror 7 and a zooming mechanism 8 are arranged in the laser shell 1, the laser source group 4 is connected with a power line 3, the laser source group 4 is connected with the beam combiner 5 through an optical fiber 9, the beam combiner 5 is connected with the isolator 6 through the optical fiber 9, the isolator 6 transmits laser to the homogenizing mirror 7 through the optical fiber 9, the homogenizing mirror 7 homogenizes the laser, the homogenizing mirror 7 consists of two positive lenses, the homogenizing mirror 7 transmits the homogenized laser to the zooming mechanism 8, the zooming mechanism 8 focuses the laser, the zooming mechanism 8 is electrically connected with the control system, the zooming mechanism 8 performs angle modulation and focusing under the control of the control system, thereby outputting different laser beams, and the zoom mechanism 8 outputs the focused laser beams through the protective lens 2.
The laser shell 1 comprises an outer shell 101, a middle shell 102 and an inner shell 103, the outer shell 101, the middle shell 102 and the inner shell 103 are fixedly connected through two connecting tubes 106, a power line 3 penetrates through one connecting tube 106 to be connected with an external power supply, a protective glass 2 is arranged in the other connecting tube 106, and a zoom mechanism 8 is connected with the connecting tube 106 provided with the protective glass 2.
Well casing 102 is installed inside outer casing 101, and install in interior casing 103 outsidely, be provided with thermal insulation material between well casing 102 and the outer casing 101, install inlet tube and outlet pipe on the well casing 102, the one end of inlet tube and outlet pipe runs through outer casing 101, inlet tube and outlet pipe all are connected with the water cooling system pipeline, it has the coolant liquid to flow between well casing 102 and the interior casing 103, be provided with a plurality of heating panel 104 on the interior casing 103, heating panel 104 is the heating panel of copper material, laser source group 4, beam combiner 5, isolator 6, homogenizing mirror 7 and zoom mechanism 8 all set up in interior casing 103.
The outer shell 101, the middle shell 102 and the inner shell 103 are provided with an air stirring pipe 105 and an air outlet pipe together, a stirring fan is installed in the air stirring pipe 105 through a support plate, and the air stirring pipe 105 is connected with an air supply system pipeline.
6 externally mounted of isolator has cooling mechanism, cooling mechanism includes the shell of will cooling, cooling shell inside is fixed with water-cooling shell 603, isolator 6 is located inside water-cooling shell 603, install two water-cooled tubes 601 on the cooling shell, the one end of every water-cooled tube 601 all is fixed with extension board 606, extension board 606 is fixed with the revolving sphere through the rope, it installs screw fan 605 to rotate on the revolving sphere, the one end that extension board 606 was installed to water-cooled tube 601 is fixed with extension pipe 604, screw fan 605 is located extension pipe 604, water-cooled tube 601 and water cooling system pipe connection, the inside one end of keeping away from water-cooled tube 601 of cooling shell is provided with two baffles 602, the one end and the water-cooling shell 603 of baffle 602 are fixed, one of them terminal surface of baffle 602 does not contact with cooling shell inner wall, the inside one side at the baffle of having seted up of cooling shell delivery port, delivery port and water cooling system pipe connection.
Each fan blade of the spiral fan 605 is a hollow structure, a weight bias ball 607 is installed in the hollow structure of the fan blade, and the weight bias ball 607 moves along with the rotation of the fan blade. The weight-bias ball 607 moves in position under the rotation of the fan blades, so that the weight of the whole spiral fan 605 deviates, the spiral fan 605 is made to be heavy, the spiral fan 605 is made to swing and sway when rotating, the spiral fan 605 is made to swing through the weight-bias ball 607, the stirring of the spiral fan 605 to cooling liquid is increased, the heat exchange efficiency between the cooling liquid is improved, and the utilization rate of the cooling liquid is improved.
Optical fiber 9 is multimode optical fiber, and the cover is equipped with bending tube 901 on connecting isolator 6 and the optic fiber 9 of homogenizer 7, and bending tube 901 is inside to be provided with three bending ring, and bending ring overlaps to be established on optical fiber 9, and bending ring is including bending outer loop 903 and bending inner loop 904, is provided with a plurality of skew gasbag 905 between bending outer loop 903 and the bending inner loop 904, and a plurality of skew gasbag 905 all is connected with the air supply system pipeline.
The bending outer ring is connected with the bending inner ring through the offset air bags, when air is infused into one of the offset air bags, the bending inner ring is subjected to position offset in the bending outer ring, so that the optical fibers are driven to move, the three bending rings are matched with each other to realize the bending of the optical fibers, the optical fibers 9 are changed into an S shape, the spatial distribution of the laser beams is changed, the distribution homogenization of the laser beams is realized, and the light spot homogenization degree of the laser beams is improved.
An annular rotating groove is formed in the bent inner ring 904, a spiral ring 906 is installed in the bent inner ring 904 in a rotating mode, the spiral ring 906 is sleeved on the outer side of the optical fiber 9, a magnetic field ring 907 is fixed on the outer side of the spiral ring 906, the magnetic field ring 907 is located in the rotating groove, a plurality of electromagnetic blocks are arranged on the magnetic field ring 907 and in the rotating groove, the magnetic field ring 907 rotates in the rotating groove through the mutual matching of the plurality of electromagnetic blocks, and the magnetic field ring 907 rotates through the rotating optical fiber 9.
Two electromagnetic grooves are symmetrically formed in each bending outer ring 903, an electromagnetic plate 902 is arranged at a position, corresponding to the electromagnetic grooves, in each bending pipe 901, the electromagnetic plates 902 are located in the electromagnetic grooves, the number of the electromagnetic plates 902 is the same as that of the bending rings, one electromagnetic plate 902 controls movement of one bending ring, a permanent magnet is arranged in each electromagnetic groove, a plurality of electromagnetic blocks are arranged on each electromagnetic plate 902, coils are arranged in the electromagnetic blocks, and the plurality of coils are electrically connected with a control system.
The electromagnetic plate is located the electromagnetic groove, and the electromagnetic plate restricts the position of bending ring, and the electromagnetic plate attracts the permanent magnet in the electromagnetic groove through the electromagnetism piece, makes the bending ring at the intraductal motion of buckling, and then makes two at least bending rings be close to each other or repel each other, makes optic fibre crooked in the pipe of buckling.
Through making optic fibre twist reverse and buckle and be close to each other between the ring, make optic fibre become helical structure, through the setting of bending ring, realize adjusting the degree of buckling and the shape of optic fibre according to the needs of exporting the facula, and then solved and changed the technical problem of optic fibre structure through changing the pipe of buckling many times.
The connection relationship between the stirring fan and the stirring pipe 105 is the same as the connection relationship between the spiral fan 605 and the water cooling pipe 601, and the structure of the stirring fan is the same as that of the spiral fan 605.
The working principle of the invention is as follows:
when a laser is needed to be used, an external power supply is connected through a power line 3 to obtain electric power, a laser source group 4 is connected with a beam combiner 5 through an optical fiber 9, the beam combiner 5 is connected with an isolator 6 through the optical fiber 9, the isolator 6 transmits laser into a homogenizing mirror 7 through the optical fiber 9, when the laser beam is transmitted in the optical fiber 9, a bending tube 901 changes the shape of the optical fiber through a bending ring, so that the spatial distribution of the laser beam is changed in the optical fiber firstly, the laser beam is homogenized for the first time and then transmitted onto the homogenizing mirror 7, the homogenizing mirror 7 performs secondary homogenization on the laser beam through two positive lenses, then transmits the laser beam after secondary homogenization into a zooming mechanism 8, the zooming mechanism 8 performs focusing on the laser, the zooming mechanism 8 is electrically connected with a control system, the zooming mechanism 8 performs angle modulation and focusing under the control of the control system so as to output different laser beams, the zoom mechanism 8 outputs the focused laser beam through the protective lens 2.
When the laser is in use, the water cooling system pumps cooling liquid into the space between the middle shell 102 and the inner shell 103 through the water inlet pipe, the cooling liquid flows back into the water cooling system through the water outlet pipe, and when the cooling liquid flows between the middle shell 102 and the inner shell 103, the cooling liquid exchanges heat with the heat dissipation plate 104, so that the heat dissipation plate 104 absorbs heat in the inner shell 103, and the temperature in the inner shell 103 is reduced.
Air supply system infuses the air through stirring tuber pipe 105 to interior casing 103, and the air impact makes stirring fan rotate on stirring fan, and the position removal takes place for the unbalance weight ball in stirring fan, makes stirring fan produce and rocks, makes stirring fan stir the air, makes the air produce the turbulent flow in interior casing 103, and the distribution of air in interior casing 103 is disturbed, takes other positions through the cold air near turbulent flow with heating panel 104, realizes the inside whole cooling of interior casing 103.
And the cooling liquid enters into the cooling shell under the infusion of the water cooling system, and impacts the spiral fan 605 to enable the spiral fan 605 to rotate, the eccentric weight ball 607 moves under the rotation of the fan blades to enable the weight of the whole spiral fan 605 to deviate, the spiral fan 605 is made to be eccentric, and then the spiral fan 605 is made to swing and sway when rotating, the spiral fan 605 is made to swing through the arrangement of the eccentric weight ball 607, the stirring of the spiral fan 605 to the cooling liquid is increased, the heat exchange efficiency between the cooling liquids is improved, and the utilization rate of the cooling liquid is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A laser with high-power multimode beam combiner is characterized in that: the laser of the multi-mode beam combiner comprises a laser shell (1), a laser source group (4), a beam combiner (5), an isolator (6), a homogenizing mirror (7) and a zooming mechanism (8) are arranged in the laser shell (1), a power line (3) is connected to the laser source group (4), the laser source group (4) is connected with the beam combiner (5) through an optical fiber (9), the beam combiner (5) is connected with the isolator (6) through the optical fiber (9), the isolator (6) transmits laser to the homogenizing mirror (7) through the optical fiber (9), the homogenizing mirror (7) homogenizes the laser, the homogenizing mirror (7) transmits the homogenized laser to the zooming mechanism (8), the zooming mechanism (8) focuses the laser, and the zooming mechanism (8) outputs the focused laser through a protective mirror (2).
2. A laser with a high power multimode combiner as claimed in claim 1, wherein: laser casing (1) includes shell body (101), well casing (102), interior casing (103), well casing (102) set up inside outer casing (101), and well casing (102) set up including casing (103) outside, be provided with thermal insulation material between well casing (102) and shell body (101), be provided with inlet tube and outlet pipe on well casing (102), it has the coolant liquid to flow between well casing (102) and interior casing (103), be provided with a plurality of heating panel (104) on interior casing (103), heating panel (104) are the heating panel of copper material, laser source group (4), beam combiner (5), isolator (6), homogenization mirror (7) and zoom mechanism (8) all set up in interior casing (103).
3. A laser with a high power multimode combiner as claimed in claim 2, wherein: outer casing (101), well casing (102) and interior casing (103) between through two linking pipe (106) fixed connection, power cord (3) pass one linking pipe (106) and are connected with external power, another be provided with goggles (2) in linking pipe (106), zoom mechanism (8) are connected with linking pipe (106) of installing goggles (2), outer casing (101), well casing (102) and interior casing (103) are provided with air stirring pipe (105) and play tuber pipe jointly, be provided with stirring fan in air stirring pipe (105), air stirring pipe (105) and air supply system pipe connection.
4. A laser with a high power multimode combiner as claimed in claim 2, wherein: the cooling device is characterized in that a cooling mechanism is arranged outside the isolator (6), the cooling mechanism comprises a cooling shell, two water-cooling pipes (601) are arranged on the cooling shell, a support plate (606) is arranged at one end of each water-cooling pipe (601), a rotating ball is arranged on each support plate (606) through a rope, a spiral fan (605) is arranged on each rotating ball, an expansion pipe (604) is arranged at one end of each water-cooling pipe (601) provided with the support plate (606), each spiral fan (605) is located in each expansion pipe (604), each water-cooling pipe (601) is connected with a water-cooling system pipeline, a water-cooling shell (603) is arranged inside the cooling shell, the isolator (6) is located inside the water-cooling shell (603), two partition plates (602) are arranged at one end, far away from the water-cooling pipes (601), one end of each partition plate (602) is fixed with the water-cooling shell (603), one end face of each partition plate (602) is not in contact with the inner wall of the cooling shell, a water outlet is formed in one side of the partition plate (602) in the cooling shell and is connected with a water cooling system pipeline.
5. A laser with a high power multimode combiner according to claim 4, characterized in that: each fan blade of the spiral fan (605) is of a hollow structure, a weight bias ball (607) is installed in each hollow structure of the fan blade, and the weight bias ball (607) moves along with the rotation of the fan blades.
6. A laser with a high power multimode combiner as claimed in claim 2, wherein: the optical fiber (9) is a multimode optical fiber, the optical fiber (9) is connected with the isolator (6) and the homogenizing mirror (7), the optical fiber (9) is sleeved with a bending pipe (901), at least two bending rings are arranged inside the bending pipe (901), the bending rings are sleeved on the optical fiber (9), each bending ring comprises a bending outer ring (903) and a bending inner ring (904), a plurality of deviation air bags (905) are arranged between the bending outer ring (903) and the bending inner ring (904), and the deviation air bags (905) are connected with an air supply system pipeline.
7. The laser with the high-power multimode beam combiner according to claim 6, wherein: every two electromagnetic grooves are symmetrically formed in the bending outer ring (903), an electromagnetic plate (902) is arranged at a position, corresponding to the electromagnetic grooves, inside the bending pipe (901), the electromagnetic plate (902) is located in the electromagnetic grooves, the number of the electromagnetic plates (902) is the same as that of the bending rings, a permanent magnet is arranged inside the electromagnetic grooves, a plurality of electromagnetic blocks are arranged on the electromagnetic plates (902), coils are arranged in the electromagnetic blocks, and the plurality of coils are electrically connected with a control system.
8. The laser with the high power multimode combiner of claim 7, wherein: the optical fiber bending device is characterized in that an annular rotating groove is formed in the bending inner ring (904), a spiral ring (906) is arranged in the bending inner ring (904), the spiral ring (906) is sleeved on the outer side of an optical fiber (9), a magnetic field ring (907) is arranged on the outer side of the spiral ring (906), the magnetic field ring (907) is located in the rotating groove, a plurality of electromagnetic blocks are arranged on the magnetic field ring (907) and in the rotating groove, the magnetic field ring (907) rotates in the rotating groove through the mutual matching of the plurality of electromagnetic blocks, and the magnetic field ring (907) drives the optical fiber (9) to twist through rotation.
9. A laser with a high power multimode combiner as claimed in claim 3, wherein: the connection relation between the stirring fan and the stirring pipe (105) is the same as that between the spiral fan (605) and the water cooling pipe (601), and the structure of the stirring fan is the same as that of the spiral fan (605).
10. A laser with a high power multimode combiner as claimed in claim 2, wherein: the homogenizing mirror (7) consists of two positive lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253298.3A CN114006246B (en) | 2021-10-27 | 2021-10-27 | Laser with high-power multi-mode beam combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253298.3A CN114006246B (en) | 2021-10-27 | 2021-10-27 | Laser with high-power multi-mode beam combiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114006246A true CN114006246A (en) | 2022-02-01 |
| CN114006246B CN114006246B (en) | 2022-07-15 |
Family
ID=79924163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111253298.3A Active CN114006246B (en) | 2021-10-27 | 2021-10-27 | Laser with high-power multi-mode beam combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114006246B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115882329A (en) * | 2023-01-05 | 2023-03-31 | 广东豪德数控装备股份有限公司 | Semiconductor laser using homogenized optical fiber for output |
| CN115933061A (en) * | 2022-12-26 | 2023-04-07 | 长沙大科激光科技有限公司 | All-fiber homogenizing and return-light-resistant beam combiner |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60125821A (en) * | 1983-12-12 | 1985-07-05 | Fujitsu Ltd | Adjusting device for angle of polarization |
| US5446750A (en) * | 1993-11-12 | 1995-08-29 | Fuji Photo Film Co., Ltd. | Laser diode pumped solid laser |
| JP2005010310A (en) * | 2003-06-17 | 2005-01-13 | Sumitomo Electric Ind Ltd | Method and tool for branching optical fiber ribbon and optical fiber ribbon |
| JP2009097467A (en) * | 2007-10-18 | 2009-05-07 | Isuzu Motors Ltd | Cooling system and cooling method of vehicle |
| CN103364956A (en) * | 2012-03-29 | 2013-10-23 | 山东浪潮华光光电子股份有限公司 | Method for uniformization and speckle elimination of optical fiber output laser and device thereof |
| CN104777619A (en) * | 2014-01-09 | 2015-07-15 | 山东浪潮华光光电子股份有限公司 | Optical fiber coupling output laser spot homogenizing device and preparation method thereof |
| CN107005017A (en) * | 2015-11-17 | 2017-08-01 | 株式会社藤仓 | Fiber ring laser system and laser output method |
| CN206934349U (en) * | 2017-01-16 | 2018-01-30 | 郑州大学第一附属医院 | A kind of spiral negative pressure extracting boost motor |
| CN208123087U (en) * | 2018-02-08 | 2018-11-20 | 上海时代建筑设计有限公司 | A kind of gardens construction aeration structure |
| CN111092359A (en) * | 2019-12-27 | 2020-05-01 | 安图实验仪器(郑州)有限公司 | Laser system for matrix-assisted laser desorption ionization time-of-flight mass spectrometer |
| CN210835959U (en) * | 2019-12-13 | 2020-06-23 | 广州高澜节能技术股份有限公司 | Liquid cooling radiator for server |
| CN210897960U (en) * | 2019-12-13 | 2020-06-30 | 光惠（上海）激光科技有限公司 | Multifunctional optical fiber mode scrambler |
| CN111922513A (en) * | 2020-07-23 | 2020-11-13 | 武汉华工激光工程有限责任公司 | Laser welding beam shaping optimization device |
| CN112540435A (en) * | 2019-09-04 | 2021-03-23 | 朗美通经营有限责任公司 | Isothermal housing with optical aperture |
-
2021
- 2021-10-27 CN CN202111253298.3A patent/CN114006246B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60125821A (en) * | 1983-12-12 | 1985-07-05 | Fujitsu Ltd | Adjusting device for angle of polarization |
| US5446750A (en) * | 1993-11-12 | 1995-08-29 | Fuji Photo Film Co., Ltd. | Laser diode pumped solid laser |
| JP2005010310A (en) * | 2003-06-17 | 2005-01-13 | Sumitomo Electric Ind Ltd | Method and tool for branching optical fiber ribbon and optical fiber ribbon |
| JP2009097467A (en) * | 2007-10-18 | 2009-05-07 | Isuzu Motors Ltd | Cooling system and cooling method of vehicle |
| CN103364956A (en) * | 2012-03-29 | 2013-10-23 | 山东浪潮华光光电子股份有限公司 | Method for uniformization and speckle elimination of optical fiber output laser and device thereof |
| CN104777619A (en) * | 2014-01-09 | 2015-07-15 | 山东浪潮华光光电子股份有限公司 | Optical fiber coupling output laser spot homogenizing device and preparation method thereof |
| CN107005017A (en) * | 2015-11-17 | 2017-08-01 | 株式会社藤仓 | Fiber ring laser system and laser output method |
| CN206934349U (en) * | 2017-01-16 | 2018-01-30 | 郑州大学第一附属医院 | A kind of spiral negative pressure extracting boost motor |
| CN208123087U (en) * | 2018-02-08 | 2018-11-20 | 上海时代建筑设计有限公司 | A kind of gardens construction aeration structure |
| CN112540435A (en) * | 2019-09-04 | 2021-03-23 | 朗美通经营有限责任公司 | Isothermal housing with optical aperture |
| CN210835959U (en) * | 2019-12-13 | 2020-06-23 | 广州高澜节能技术股份有限公司 | Liquid cooling radiator for server |
| CN210897960U (en) * | 2019-12-13 | 2020-06-30 | 光惠（上海）激光科技有限公司 | Multifunctional optical fiber mode scrambler |
| CN111092359A (en) * | 2019-12-27 | 2020-05-01 | 安图实验仪器(郑州)有限公司 | Laser system for matrix-assisted laser desorption ionization time-of-flight mass spectrometer |
| CN111922513A (en) * | 2020-07-23 | 2020-11-13 | 武汉华工激光工程有限责任公司 | Laser welding beam shaping optimization device |
Non-Patent Citations (3)
| Title |
|---|
| R.M. MIRANDA 等: "Rapid prototyping with high power fiber lasers", 《MATERIALS AND DESIGN》 * |
| 吕洪方 等: "随机分布介质中的光学特性", 《半导体光电》 * |
| 李丛洋: "高功率半导体激光器微通道热沉模拟优化及SLM制造", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115933061A (en) * | 2022-12-26 | 2023-04-07 | 长沙大科激光科技有限公司 | All-fiber homogenizing and return-light-resistant beam combiner |
| CN115882329A (en) * | 2023-01-05 | 2023-03-31 | 广东豪德数控装备股份有限公司 | Semiconductor laser using homogenized optical fiber for output |
| CN115882329B (en) * | 2023-01-05 | 2024-01-19 | 广东豪德数控装备股份有限公司 | Semiconductor laser using homogenized optical fiber output |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114006246B (en) | 2022-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114006246B (en) | Laser with high-power multi-mode beam combiner | |
| CN101576649A (en) | Device for transmitting luminous energy by utilizing paraboloidal mirror | |
| CN101925742A (en) | Wind turbine generator with heat exchanger | |
| CN109634031A (en) | A kind of hermetically sealed crystal projection optical mechanical apparatus having high-efficient radiating function | |
| JP2018515740A (en) | Enthalpy exchanger | |
| EP4254029A1 (en) | Optical fiber amplification device | |
| JPS61242273A (en) | Method and apparatus for cutting reinforced concrete structure | |
| CN111158106A (en) | Active drainage mechanism for inhibiting turbulence at high-power light beam refraction position in lens cone | |
| CN208752833U (en) | Modular solar energy photoelectric and light-heat integration system experimental device | |
| CN217306936U (en) | Laser water cooling device with efficient heat dissipation effect | |
| CN214379620U (en) | Low-voltage draw-out type switch cabinet with heat dissipation effect | |
| CN210120624U (en) | Adopt radiating data center switch of disrotatory formula | |
| CN212102565U (en) | Forced convection device of toughened glass heating furnace | |
| CN208051147U (en) | A kind of high-altitude remote laser deicing machine | |
| CN1073752C (en) | Radio frequency stimulated quick axial-flow carbon monoxide laser | |
| CN112851101A (en) | Kitchen electric glass tempering heat treatment device and process thereof | |
| CN202424407U (en) | Cooling device of direct-driven permanent-magnetic wind generator | |
| CN220459948U (en) | Cooling precipitation device for producing amantadine hydrochloride | |
| CN112212525A (en) | Indoor solar heat collecting device | |
| CN111158098A (en) | Convection heat dissipation type optical cable distribution box based on Internet of things | |
| CN211907936U (en) | Optical fiber laser generating device | |
| CN211255704U (en) | High-efficient wire drawing stove is used in optic fibre preparation | |
| CN220870806U (en) | Stage lamp with external heat dissipation function | |
| CN117355123B (en) | Radiator of photovoltaic inverter and photovoltaic inverter | |
| CN211681180U (en) | Direct-coupled main shaft body structure of high-speed machining center |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |