CN220272950U - Multi-wavelength optical fiber coupling laser with strong heat dissipation - Google Patents
Multi-wavelength optical fiber coupling laser with strong heat dissipation Download PDFInfo
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- CN220272950U CN220272950U CN202321957886.XU CN202321957886U CN220272950U CN 220272950 U CN220272950 U CN 220272950U CN 202321957886 U CN202321957886 U CN 202321957886U CN 220272950 U CN220272950 U CN 220272950U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 34
- 238000010168 coupling process Methods 0.000 title claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 30
- 230000008878 coupling Effects 0.000 title claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model relates to a multi-wavelength optical fiber coupling laser with strong heat dissipation, which comprises a beam combiner main body; the laser output module is connected and arranged at one side of the beam combiner main body; at least two groups of beam coupling-in modules, at least one group of beam coupling-in modules are connected and installed on the side part of the beam combiner main body, and the laser output module and the beam coupling-in modules are arranged on different side parts of the beam combiner main body; a lens; the beam coupling-in module comprises a laser, a first coupling-in unit, a second coupling-in unit and a coupling-in optical fiber, wherein the coupling-in optical fiber is connected between the first coupling-in unit and the second coupling-in unit in a conducting manner, the laser is connected to the outer end of the first coupling-in unit, and the second coupling-in unit is connected with the side part of the beam combiner main body. Through separate the design with laser instrument and beam apparatus main part, be convenient for can carry out independent heat dissipation to the laser instrument and handle, possess stronger thermal diffusivity, and then guarantee that the laser instrument can be under the high-power operation prerequisite steady optical power output for a long time.
Description
Technical Field
The utility model belongs to the technical field of lasers, and particularly relates to a multi-wavelength optical fiber coupling laser with strong heat dissipation.
Background
The semiconductor laser is used as a new generation laser, and is widely applied in the fields of industrial processing, military, medical treatment, security protection and the like by virtue of the advantages of high efficiency, long service life, small volume and the like. Along with the rapid development of fiber lasers and the continuous increase of the requirement for pumping sources of high-power fiber lasers, the rapid development of high-power high-beam-quality semiconductor lasers is also promoted.
The utility model of application number CN202220857949.3 discloses an external photoelectric detector of a single-mode fiber coupled laser, which comprises a laser tube seat fixedly sleeved on the laser, wherein a lens seat is arranged on the right side of the laser tube seat, the laser tube seat is fixedly connected with the lens seat, a lens is arranged in the lens seat, a main body is arranged on the right side of the lens seat, the lens seat is fixedly connected with the left end of the main body, a photoelectric detector body is arranged at the top of the main body, a slide seat is fixedly arranged in the main body, a slide is fixedly arranged in the slide seat, and an optical fiber is arranged on the right side of the main body. The laser emits laser when working, one part of the laser is transmitted into the optical fiber through the glass slide, the other part of the laser is reflected to the photoelectric detector through the glass slide, the photoelectric detector can continuously detect the laser at the moment, the fact that the laser works normally at the moment is indicated, if the laser does not emit the laser any more due to faults of the laser, the photoelectric detector body cannot detect the laser, and at the moment, the photoelectric detector body sends out signals to remind workers.
The laser in the prior art is arranged on the main body, heat is led out through contact between the laser and the main body, and only laser chips with lower power and less heating value can be used, but the laser chips with larger heating value are not applicable to laser chips with larger power, the output power of the laser has a great relation with the temperature of the chips, the fluctuation of the working temperature can influence the working threshold of the laser and change the output power of the laser, the laser is required to work stably for a long time in the use processes of medical treatment, scientific research and the like, and the laser in the prior art does not have better heat dissipation and cannot meet the application of the laser with larger power.
Disclosure of Invention
The present utility model aims to solve the above-mentioned problems, and provides a multi-wavelength fiber coupled laser with strong heat dissipation, comprising
A combiner body;
the laser output module is connected and arranged at one side of the beam combiner main body;
at least two groups of beam coupling-in modules, at least one group of beam coupling-in modules is connected and installed on the side part of the beam combiner main body, wherein the laser output module and the beam coupling-in modules are arranged on different side parts of the beam combiner main body;
the lens is arranged in the beam combiner main body and is used for reflecting and collimating the light beam generated by the light beam coupling-in module so as to be incident to the laser output module;
the beam coupling-in module comprises a laser, a first coupling-in unit, a second coupling-in unit and a coupling-in optical fiber, wherein the coupling-in optical fiber is connected between the first coupling-in unit and the second coupling-in unit in a conducting mode, the laser is connected to the outer end of the first coupling-in unit, and the second coupling-in unit is connected with the side part of the beam combiner main body.
In a further embodiment of the present utility model, the beam coupling modules are provided in three groups, one group of beam coupling modules is provided on one side of the combiner main body opposite to the laser output module, and the other side of the combiner main body is connected with two groups of beam coupling modules.
In a further embodiment of the utility model, the first coupling unit comprises a laser tube seat, a lens seat, a first adjusting seat and a first ceramic ferrule, the laser is fixedly inserted into one end of the outer side of the laser tube seat, the lens seat is arranged in the laser tube seat, the first adjusting seat is fixedly butted with the laser tube seat, one end of the first ceramic ferrule is fixedly bonded with the coupling optical fiber, and the other end of the first ceramic ferrule is fixedly inserted into the first adjusting seat in a spliced mode.
In a further embodiment of the utility model, the second coupling unit comprises a second ceramic ferrule, a second adjusting seat and a first slide, the other end of the coupling optical fiber is fixedly bonded with the second ceramic ferrule, the second ceramic ferrule is connected with the second adjusting seat in a plugging manner and fixedly welded, the first slide is embedded in the side part of the beam combiner main body and fixedly bonded, the second adjusting seat is fixedly welded with the outer side of the beam combiner main body, and the second adjusting seat is correspondingly communicated with the first slide.
In a further embodiment of the utility model, the laser output module comprises an output optical fiber, a third ceramic ferrule, a third adjusting seat and a second slide, wherein the second slide is embedded in the side part of the beam combiner main body and is fixedly bonded, the third adjusting seat is welded on the outer side of the beam combiner main body and is communicated with the second slide, the third ceramic ferrule is fixedly welded with the third adjusting seat, and the outer end of the third ceramic ferrule is fixedly bonded with the output optical fiber.
In a further embodiment of the present utility model, a beam channel is formed on the beam combiner main body, the first slide and the second slide are both embedded in the beam channel, and the lens is obliquely fixed in the beam combiner main body for reflecting the collimated light beam and entering the second slide.
In the utility model, a cover plate cover is arranged on the beam combiner main body for connection.
The beneficial effects of the utility model are as follows:
through separating the design with laser instrument and beam splitter main part, the laser instrument is connected through optic fibre and beam splitter main part, and the be convenient for can carry out independent heat dissipation to the laser instrument and handle, be applicable to the great laser instrument of power, possess stronger thermal diffusivity, and then guarantee that the laser instrument can be under the high-power operation prerequisite steady optical power output for a long time.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a multi-wavelength fiber coupled laser with strong heat dissipation;
fig. 2 is a schematic view showing the internal installation positions of the beam splitter main body and the lens according to the present utility model.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Fig. 1 is a schematic diagram of a multi-wavelength optical fiber coupling laser with strong heat dissipation, which includes a combiner body 1, a laser output module 2, at least two groups of beam coupling modules 3 and a lens 4.
As shown in fig. 2, the beam combiner main body 1 is provided with a beam channel 1A, the beam channel 1A and the inside of the beam combiner main body 1 are in a communicated structure, and the beam combiner main body 1 is provided with a cover plate 5 for covering and connecting.
The laser output module 2 is installed on one side of the beam combiner main body 1 in a connecting way and is used for outputting laser.
At least two groups of beam coupling-in modules 3, wherein at least one group of beam coupling-in modules 3 are connected and installed on the side part of the beam combiner main body 1, and the laser output module 2 and the beam coupling-in modules 3 are arranged on different side parts of the beam combiner main body 1;
preferably, as shown in fig. 1, three sets of beam coupling-in modules 3 are provided, one set of beam coupling-in modules 3 is provided on one side of the combiner main body 1 where the back laser output module 2 is located, and two sets of beam coupling-in modules 3 are connected to the other side of the combiner main body 1.
In addition, as shown in fig. 1, the lens 4 is installed inside the beam combiner body 1, and is used for reflecting and collimating the light beam generated by the light beam coupling-in module 3 so as to be incident on the laser output module 2, so that the collimated light spot is reflected by the lens 4 and then coupled into the laser output module 2.
In this design, specifically, as shown in fig. 1, the beam-in module 3 includes a laser 30, a first in-coupling unit, a second in-coupling unit, and an in-coupling fiber 31;
as shown in fig. 1, the coupling-in optical fiber 31 is connected between the first coupling-in unit and the second coupling-in unit, the laser 30 is connected to the outer end of the first coupling-in unit, the second coupling-in unit is connected to the side of the combiner body 1, and the two groups of beam-in modules 3 are symmetrically arranged about the center line of the combiner body 1.
The first coupling unit shown in fig. 1 includes the laser holder 32, the lens holder 33, the first adjusting holder 34, and the first ferrule 35;
as shown in fig. 1, the laser 30 is inserted and fixed at one end of the outer side of the laser tube holder 32, the lens holder 33 is installed in the laser tube holder 32, the first adjusting holder 34 is in butt joint and fixed with the laser tube holder 32, one end of the first ferrule 35 is bonded and fixed with the coupling-in optical fiber 31, and the other end of the first ferrule 35 is inserted and welded with the first adjusting holder 34.
Next, as shown in fig. 1, the second coupling unit includes a second ferrule 36, a second adjusting seat 37 and a first glass slide 38, the other end of the coupling optical fiber 31 is fixed to the second ferrule 36 by bonding, the second ferrule 36 is connected to the second adjusting seat 37 by plugging and welding, the first glass slide 38 is embedded in a side portion of the beam combiner main body 1 (specifically embedded in the beam channel 1A) and fixed by bonding, the second adjusting seat 37 is fixed to the outer side of the beam combiner main body 1 by welding, and the second adjusting seat 37 is correspondingly communicated with the first glass slide 38.
In this design, as shown in fig. 1, the laser output module 2 includes an output optical fiber 20, a third ferrule 21, a third adjusting seat 22 and a second glass slide 23;
the second slide glass 23 is embedded in the side part of the beam combiner main body 1 and is fixedly bonded, the third adjusting seat 22 is welded on the outer side of the beam combiner main body 1 and is communicated with the second slide glass 23, the third ceramic ferrule 21 is fixedly welded with the third adjusting seat 22, and the outer end of the third ceramic ferrule 21 is fixedly bonded with the output optical fiber 20.
As shown in fig. 1, the first slide 38 and the second slide 23 are embedded in the beam channel 1A, and the lens 4 is obliquely fixed in the beam splitter body for reflecting the collimated light beam and incident on the second slide 23; therefore, by separating the laser 30 from the beam splitter main body, the laser 30 is connected with the beam splitter main body through the optical fiber, so that the laser 30 can be subjected to independent heat dissipation treatment, the laser is suitable for the laser 30 with higher power, has stronger heat dissipation, and further ensures that the laser 30 can stabilize the light power output for a long time under the premise of high-power operation.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A multi-wavelength optical fiber coupled laser with strong heat dissipation is characterized by comprising
A combiner body;
the laser output module is connected and arranged at one side of the beam combiner main body;
at least two groups of beam coupling-in modules, at least one group of beam coupling-in modules is connected and installed on the side part of the beam combiner main body, wherein the laser output module and the beam coupling-in modules are arranged on different side parts of the beam combiner main body;
the lens is arranged in the beam combiner main body and is used for reflecting and collimating the light beam generated by the light beam coupling-in module so as to be incident to the laser output module;
the beam coupling-in module comprises a laser, a first coupling-in unit, a second coupling-in unit and a coupling-in optical fiber, wherein the coupling-in optical fiber is connected between the first coupling-in unit and the second coupling-in unit in a conducting mode, the laser is connected to the outer end of the first coupling-in unit, and the second coupling-in unit is connected with the side part of the beam combiner main body.
2. The multi-wavelength optical fiber coupling laser with strong heat dissipation according to claim 1, wherein three groups of beam coupling modules are provided, one group of beam coupling modules are provided on one side of the combiner main body opposite to the laser output module, and the other side of the combiner main body is connected with two groups of beam coupling modules.
3. The multi-wavelength optical fiber coupling laser with strong heat dissipation according to claim 1, wherein the first coupling unit comprises a laser tube seat, a lens seat, a first adjusting seat and a first ceramic ferrule, the laser is fixedly inserted into one end outside the laser tube seat, the lens seat is installed in the laser tube seat, the first adjusting seat is fixedly abutted to the laser tube seat, one end of the first ceramic ferrule is fixedly bonded with the coupling optical fiber, and the other end of the first ceramic ferrule is fixedly inserted into the first adjusting seat in a plugging and welding mode.
4. The multi-wavelength optical fiber coupling laser with high heat dissipation according to claim 3, wherein the second coupling unit comprises a second ferrule, a second adjusting seat and a first slide, the other end of the coupling optical fiber is fixedly bonded with the second ferrule, the second ferrule is connected with the second adjusting seat in a plugging manner and is fixedly welded, the first slide is embedded in the side part of the combiner main body and is fixedly bonded, the second adjusting seat is fixedly welded with the outer side of the combiner main body, and the second adjusting seat is correspondingly communicated with the first slide.
5. The multi-wavelength optical fiber coupling laser with strong heat dissipation performance according to claim 4, wherein the laser output module comprises an output optical fiber, a third ceramic ferrule, a third adjusting seat and a second slide, the second slide is embedded in the side part of the beam combiner main body and is fixedly bonded, the third adjusting seat is welded on the outer side of the beam combiner main body and is communicated with the second slide, the third ceramic ferrule is fixedly welded with the third adjusting seat, and the outer end of the third ceramic ferrule is fixedly bonded with the output optical fiber.
6. The multi-wavelength optical fiber coupled laser with high heat dissipation according to claim 5, wherein the beam combiner body is provided with a beam channel, the first slide and the second slide are both embedded in the beam channel, and the lens is obliquely fixed in the beam combiner body and used for reflecting the collimated light beam and entering the second slide.
7. The multi-wavelength optical fiber coupled laser with strong heat dissipation according to claim 1, wherein a cover plate cover is arranged on the beam combiner body for connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957886.XU CN220272950U (en) | 2023-07-24 | 2023-07-24 | Multi-wavelength optical fiber coupling laser with strong heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321957886.XU CN220272950U (en) | 2023-07-24 | 2023-07-24 | Multi-wavelength optical fiber coupling laser with strong heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272950U true CN220272950U (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321957886.XU Active CN220272950U (en) | 2023-07-24 | 2023-07-24 | Multi-wavelength optical fiber coupling laser with strong heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272950U (en) |
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2023
- 2023-07-24 CN CN202321957886.XU patent/CN220272950U/en active Active
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