CN218275501U - Optical fiber laser power beam combiner capable of keeping high beam quality - Google Patents
Optical fiber laser power beam combiner capable of keeping high beam quality Download PDFInfo
- Publication number
- CN218275501U CN218275501U CN202222239284.2U CN202222239284U CN218275501U CN 218275501 U CN218275501 U CN 218275501U CN 202222239284 U CN202222239284 U CN 202222239284U CN 218275501 U CN218275501 U CN 218275501U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber
- output
- tapered
- input
- 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.)
- Active
Links
Images
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The utility model belongs to the technical field of fiber laser, and discloses an optical fiber laser power combiner for keeping high beam quality, wherein an input optical fiber is provided with an input optical fiber core, the outer side of the input optical fiber core is wrapped with an input optical fiber cladding, and the outer part of the input optical fiber cladding is coated with an input optical fiber coating layer; the low-folding glass tube wraps the input optical fiber, the input optical fiber and the low-folding glass tube form a group bundle optical fiber through tapering and cutting, the group bundle optical fiber is provided with a group bundle optical fiber non-tapering, a group bundle optical fiber tapering transition region and a group bundle optical fiber tapering waist, the output conical optical fiber is provided with an output conical optical fiber tapering waist, an output conical optical fiber transition region and an output conical optical fiber non-tapering region, and the group bundle optical fiber tapering waist is welded with the output conical optical fiber tapering waist. The utility model discloses can guarantee that fiber laser system has more application, fiber laser power beam combiner has high beam quality, can provide powerful technical support for laser system application more extensively.
Description
Technical Field
The utility model belongs to the technical field of the fiber laser, especially, relate to a keep high beam quality's optic fibre laser power beam combiner.
Background
At present, a fiber laser power combiner is used for power synthesis of a plurality of fiber lasers with medium power so as to obtain fiber laser output with higher power, and the problem that a single fiber laser has power bottleneck limitation due to factors such as nonlinear effect, fiber end face damage and thermal lens effect is thoroughly solved. The current manufacturing method of the optical fiber power combiner is mainly a sleeve method. Tightly bundling a plurality of input optical fibers, tapering and cutting the bundled optical fibers, and welding output optical fibers. The sleeve method is that a glass tube slightly larger than the diameter of a group bundle of optical fibers is selected according to the total diameter of the group bundle of optical fibers, then a plurality of input optical fibers are tightly arranged and inserted into the glass tube, the group bundle of optical fibers using the glass tube as a clamp are placed on a tapering machine for tapering, the outer diameter of the glass tube is equal to the cladding diameter of the output optical fibers after tapering, the refractive index of the glass tube is usually slightly smaller than the cladding refractive index of the input optical fibers, and therefore the glass tube plays a role of tapering and then serving as the cladding of the input optical fiber bundle. However, in the beam combiner manufactured based on the mode, the diameter of the fiber core of the output optical fiber directly determines the beam quality of the laser synthesized by the beam combiner, the quality of the beam quality also directly determines the range of the application field of the optical fiber laser system, the better the beam quality is, the better the application effect of the synthesized optical fiber laser system is, and the wider the application field is. At present, most of optical fiber power beam combiners are manufactured by mainly considering the transmission efficiency and the bearing power of forward light, and the quality of a beam of a combined laser is improved by changing the structural parameters of an output optical fiber under the condition that the output optical fiber is determined without considering the structural parameters of the output optical fiber, so that the quality of the beam combiner developed under the condition that the output optical fiber is determined is basically determined, and the research of a simple and easy mode for realizing the high beam quality of the optical fiber beam combiner is particularly important for a high-power optical fiber laser system. However, in the manufacturing process of the conventional optical fiber power combiner, the output optical fibers are not processed and directly connected, the beam quality of the combined laser is determined by the fiber core diameter of the output optical fibers, and particularly in the application process of the application field with high requirements on the beam quality, the optical fiber laser system of the combiner manufactured by the method is not practical.
Through the above analysis, the problems and defects of the prior art are as follows: the output optical fibers of the existing optical fiber power beam combiner are not processed and are directly connected, the beam quality of the combined laser is determined by the diameter of the fiber core of the output optical fibers, and particularly, if an application field with higher requirements on the beam quality exists in the application process, the optical fiber laser system of the beam combiner is not practical any more.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a keep high beam quality's optic fibre laser power beam combiner.
The utility model is realized in such a way that the optical fiber laser power beam combiner for keeping high beam quality is provided with an input optical fiber;
the input optical fiber is provided with an input optical fiber core, the outer side of the input optical fiber core is wrapped with an input optical fiber cladding, and the outer part of the input optical fiber cladding is coated with an input optical fiber coating layer;
the outer part of the input optical fiber is wrapped by a low-folding glass tube, the input optical fiber and the low-folding glass tube form a group bundle optical fiber through tapering and cutting, the group bundle optical fiber is provided with a group bundle optical fiber non-tapering, a group bundle optical fiber tapering transition region and a group bundle optical fiber tapering waist, and the group bundle optical fiber tapering waist is welded with the output tapered optical fiber.
Furthermore, a glass tube texturing area is arranged on the non-tapered optical fiber of the group of optical fibers.
Furthermore, the input optical fiber is bundled into a bundled optical fiber after the input optical fiber coating layer is removed at one end, and the bundled optical fiber is connected with the conical waist of the output conical optical fiber.
Furthermore, one end of the output tapered optical fiber forms an output tapered optical fiber cone waist and an output tapered optical fiber transition region after tapering and cutting.
Furthermore, the output tapered optical fiber is provided with an output optical fiber cladding, and an output optical fiber coating layer is wrapped inside the output optical fiber cladding.
Further, the output optical fiber cladding is externally coated with an output optical fiber core.
With the above technical solution and the technical problem solved, please analyze the following aspects and advantages of the technical solution to be protected of the present invention are:
first, to the technical problem that above-mentioned prior art exists and the degree of difficulty of solving this problem, combine closely the utility model discloses an in-process result and data etc. of technical scheme and the research and development that will protect, analyze in detail, deeply the utility model discloses technical problem that technical scheme how solved, some that bring after the solution problem possess creative technological effect. The specific description is as follows:
the utility model discloses well low-folding glass pipe is as the anchor clamps that many group bundle optic fibre closely arranged, and will regard as the surrounding layer of drawing awl group bundle optic fibre, the fiber diameter of group bundle optic fibre awl waist department will equal the intraductal warp of low-folding glass of group bundle optic fibre awl waist department, guarantee that group bundle optic fibre closely arranges inside the glass pipe, the output optic fibre awl waist department fibre core diameter behind the drawing awl diminishes, the fiber diameter of group bundle optic fibre awl waist department will equal with the fibre core diameter of output optic fibre awl waist department, guarantee the beam combining efficiency of optic fibre laser power beam combiner, group bundle optic fibre draws awl transition area to group bundle optic fibre awl waist area through group bundle optic fibre and enters into output optic fibre awl waist, transition area and not drawing awl output optic fibre, the introduction in output optic fibre awl area, synthetic laser beam quality has been improved. The utility model discloses can effectively improve the light beam quality in the optical fiber power beam combiner, further improve the application based on optical fiber beam combiner realizes fiber laser. Simultaneously, the output optical fiber is subjected to tapering treatment,
second, regard as a whole or from the angle of product to technical scheme, the utility model discloses technical effect and advantage that technical scheme that will protect possesses, the concrete description is as follows:
the utility model discloses a simple mode realizes the preparation of high beam quality optic fibre laser power beam combiner, can guarantee that optic fibre laser system has more application, and optic fibre laser power beam combiner has high beam quality, can provide powerful technical support for laser system application more extensively.
Drawings
Fig. 1 is a schematic structural diagram of an optical fiber laser power combiner for maintaining high beam quality according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an input optical fiber structure provided in an embodiment of the present invention;
in the figure: a. a schematic cross-sectional structure; b. a longitudinal structure schematic diagram;
fig. 3 is a schematic structural diagram of an output tapered optical fiber according to an embodiment of the present invention;
in the figure: a. a cross-sectional structure schematic diagram; b. a longitudinal structure schematic diagram;
fig. 4 is a schematic cross-sectional view of a waist of a group bundle optical fiber provided by an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of an untapered bundle of optical fibers according to an embodiment of the present invention;
in the figure: 1. an input optical fiber; 2. inputting a fiber core of the optical fiber; 3. inputting a fiber cladding; 4. inputting an optical fiber coating layer; 5. a low-break glass tube; 6. the non-tapered area of the optical fiber is bundled; 7. a bundle fiber tapering transition region; 8. a bundled optical fiber taper waist region; 9. a glass tube texturing zone; 10. bundling optical fibers; 11. an output tapered optical fiber; 12. an output optical fiber coating layer; 13. an output fiber cladding; 14. an output optical fiber core; 15. an output tapered fiber taper waist region; 16. and outputting the tapered fiber transition region.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
1. Illustrative embodiments are explained. This section is an explanatory embodiment for expanding the technical solutions of the claims so as to make those skilled in the art fully understand how to implement the present invention.
As shown in fig. 1-3, the embodiment of the present invention provides an optical fiber laser power combiner for maintaining high beam quality, wherein an input optical fiber core 2 is disposed on an input optical fiber 1, an input optical fiber cladding 3 is wrapped on an outer side of the input optical fiber core 2, and an input optical fiber coating layer 4 is coated on an outer portion of the input optical fiber cladding 3. The external of the input optical fibers 1 is wrapped by the low-folding glass tube 5, the input optical fibers 1 and the low-folding glass tube 5 form the group bundle optical fibers 10 through tapering and cutting, the group bundle optical fibers 10 are provided with a group bundle optical fiber non-tapering area 6, a group bundle optical fiber tapering transition area 7 and a group bundle optical fiber tapering waist area 8, and the group bundle optical fibers non-tapering area 6 is provided with a glass tube texturing area 9. The input optical fiber coating layer 4 of one end of each input optical fiber 1 is removed, the input optical fiber coating layer is penetrated into the low-folding glass tube 5, the group bundle optical fibers 10 are formed through tapering and cutting, and the group bundle optical fiber taper waist region 8 of the group bundle optical fibers 10 is connected with the output taper optical fiber taper waist region 15 of the output taper optical fiber 11. One end of the output tapered optical fiber 11 is tapered and cut to form an output tapered optical fiber taper waist 15 and an output tapered optical fiber transition region 16. The output tapered optical fiber 11 is provided with an output optical fiber cladding 13, the output optical fiber cladding 13 is coated with an output optical fiber coating layer 12, and the output optical fiber cladding 13 is internally wrapped with an output optical fiber core 14.
The input optical fiber cores 2 in the input optical fibers 1 all comprise quartz glass structures, the structures of the input optical fibers 1 in the optical fiber laser power beam combiner are the same, but the diameters of the input optical fiber cores 2 can be selected according to the needs, and the output tapered optical fiber 11 is one. The low-folding glass tube 5 is preferably a fluorine-doped quartz glass sleeve, and the inner diameter of the low-folding glass tube 5 is slightly larger than the total diameter of the inner cladding of the input optical fibers 1; the thickness of the low-break glass tube 5 ensures low-loss transmission of the input laser light in the bundle fiber 10. The left side of the output tapered optical fiber 11 is a tapered part, the length of the tapered waist 15 of the output tapered optical fiber is 5-15mm, and the length of the transition region 16 of the output tapered optical fiber is 10-30mm. The low-folding glass tube 5 is used as a clamp for tightly arranging the input optical fibers 1, the low-folding glass tube 5 is used for forming a cladding of the bundle optical fiber 10, and the low-folding glass tube 5 is the outer side wall of the bundle optical fiber 10. The refractive index of the low-refractive-index glass tube 5 is smaller than the refractive index of the input fiber cladding 3 in the input fiber 1 at the preset use wavelength. The preset use wavelength refers to a wavelength of light in an environment where the fiber laser power combiner is used, and for example, the preset use wavelength may be 1080nm; of course, the refractive index of the low-refractive-index glass tube 5 may vary depending on the usage environment, but it should be ensured that the refractive index is smaller than that of the input fiber cladding 3 in the input fiber 1.
The diameter of the fiber core at the conical waist 15 of the output tapered optical fiber is the same as the diameter of the inner diameter of the low-folding glass tube 5 at the conical waist 8 of the bundle-combining optical fiber, and the relationship between the diameter and the inner diameter needs to be uniformly arranged before the beam combiner is manufactured. For example, the diameter of the fiber core in the non-tapered output optical fiber 6 is 100 microns, in order to improve the quality of the combined light beam, the diameter of the tapered waist 15 of the output tapered optical fiber can be selected within the range of 50-100, and the smaller the diameter, the better the quality of the light beam; but the inner diameter of the low-break glass tube 5 at the taper waist 8 of the bundle fiber is kept equal to the core diameter of the taper waist 15 of the output tapered fiber.
The utility model discloses a theory of operation does: the core diameter of the output tapered fiber 11 determines the beam quality of the composite laser, and the smaller the core diameter, the better the beam quality while ensuring core efficiency. The output tapered optical fiber 11 is tapered to control the diameter of the fiber core at the taper waist 15 of the output tapered optical fiber so as to improve the beam quality of the manufactured beam combiner, and the method has the advantages of simplicity, easiness in implementation and the like. Stripping a coating layer 4 of a plurality of input optical fibers 1 in required quantity, and then passing the input optical fibers through a low-folding glass tube 5 for tight bundling, wherein the input optical fibers 1 are required to penetrate through the end of a glass tube texturing area 9; placing the low-folding glass tube 5 containing the input optical fiber bundle on a tapering machine for tapering, controlling the diameter of the cone waist 8 of the bundle optical fiber 10 of the bundle optical fiber group according to the size of the diameter of the fiber core at the cone waist 15 of the output tapered optical fiber, ensuring that the inner diameter of the glass tube at the cone waist 8 of the optical fiber group is equal to the diameter of the fiber core at the cone waist 15 of the output tapered optical fiber, cutting at the cone waist 8 of the bundle optical fiber, and keeping the length of the cone waist to be 5-15mm; and the cut group bundle optical fiber taper waist 8 is connected with an output taper optical fiber taper waist region 15 of the output taper optical fiber 11, the fused optical fiber laser power beam combiner is placed into a clamp which is prepared in advance and has a high-efficiency refrigeration effect, the packaging is finished, and the beam combiner is manufactured. The manufactured beam combiner forms an output tapered optical fiber 11 after tapering, one end of the output tapered optical fiber 11 after tapering is an output optical fiber tapering area, the output tapered optical fiber 11 consists of an output tapered optical fiber tapering waist 15 and an output tapered optical fiber transition area 16, the length of the output tapered optical fiber tapering waist 15 is 5-10mm, the length of the output tapered optical fiber transition area 16 is 10-30mm, the diameter of a fiber core at the output tapered optical fiber tapering waist 15 can be determined according to the requirement of light beam quality, and the smaller the diameter of the fiber core, the better the light beam quality; after the diameter of the fiber core of the output tapered optical fiber 11 is determined, the inner diameters of the low-break glass tubes 5 at the cone waist 8 of the bundle-combining optical fiber are equal according to the diameter of the fiber core at the cone waist 15 of the output tapered optical fiber. The beam quality of the optical fiber laser power beam combiner is controlled by controlling the diameter of the fiber core of the output tapered optical fiber 11.
2. Application examples. In order to prove the creativity and the technical value of the technical scheme of the invention, the part is an application example of the technical scheme of the claims on a specific product or on related technology.
(1) The input optical fiber is 20/130/250 microns, wherein 20 microns is the diameter of a fiber core, 130 microns is the diameter of a cladding, 250 microns is the diameter of a coating, the output optical fiber is 100/360/650 microns, wherein 100 microns is the diameter of the fiber core, 360 microns is the diameter of the cladding, 650 microns is the diameter of the coating, and the drawing method of the conventional beam combiner is as follows: the inner diameter of a glass tube of the cut bundle optical fiber taper waist 8 is 100 micrometers, the glass tube is matched with the fiber core diameter of an output optical fiber by 100 micrometers, the quality of a beam after combination is generally about 10, if the quality of the beam of laser after combination is further improved, the output optical fiber can be subjected to tapering treatment according to the invention content, so that the fiber core diameter at the position of the taper waist 15 of the output tapered optical fiber is changed into 80 micrometers or 60 micrometers or 50 micrometers, the optical fiber quality of the beam combiner manufactured according to the patent content is reduced along with the reduction of the diameter of the output optical fiber, and the manufacturing of the high-beam-quality beam combiner is realized;
(2) The input optical fiber is 30/250/330 microns, wherein 30 microns is the diameter of a fiber core, 250 microns is the diameter of a cladding, 330 microns is the diameter of a coating, the output optical fiber is 200/360/650 microns, wherein 200 microns is the diameter of the fiber core, 360 microns is the diameter of the cladding, 650 microns is the diameter of the coating, and the drawing method of the conventional beam combiner is as follows: the inner diameter of the glass tube of the cut taper waist 8 of the bundle-combining optical fiber is 200 microns, the glass tube is matched with the fiber core diameter of the output optical fiber by 200 microns, the quality of the combined light beam is generally about 20, if the quality of the combined laser light beam is further improved, the output optical fiber can be subjected to tapering treatment according to the invention content, the fiber core diameter of the taper waist 15 of the output tapered optical fiber is changed into 150 microns or 120 microns or 100 microns, and the optical fiber quality of the beam combiner manufactured according to the patent content is reduced along with the reduction of the diameter of the output optical fiber, so that the manufacturing of the high-light-beam-quality beam combiner is realized.
3. Evidence of the relevant effects of the examples. The embodiment of the utility model provides an in research and development or use some positive effects have been got, compare with prior art and do possess very big advantage, following content describes in combination test process's data, chart etc..
As shown in fig. 4 and 5, a schematic diagram of a cross section of a part of the fiber laser power combiner composed of 7 input fibers. Fig. 4 is an enlarged schematic cross-sectional view of the group bundle optical fiber 10 at the position of the group bundle optical fiber taper waist 8, after 7 input optical fibers and low-folding glass tubes are both tapered by a tapering machine, the diameters of the low-folding glass tubes and the input optical fibers are both reduced, and the tightly arranged low-folding glass tubes form the cladding of the group bundle optical fiber 10, and are cut at the group bundle optical fiber taper waist 8 of the group bundle optical fiber 10 and are fused at the output optical fiber taper waist 15 of the output tapered optical fiber 11; fig. 5 is an enlarged schematic cross-sectional view of a non-tapered section 6 of a bundle fiber 10 formed by 7 input fibers and a low-folding glass tube, wherein the 7 input fibers 1 and the low-folding glass tube 5 are not deformed, and the plurality of input fibers 1 are constrained by selecting the low-folding glass tube 5 with an inner diameter slightly larger than the total diameter of the input fiber bundle, so that the input fibers are tightly arranged and tapered.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.
Claims (6)
1. A fiber laser power combiner for maintaining high beam quality is characterized in that the fiber laser power combiner for maintaining high beam quality is provided with:
an input optical fiber;
the input optical fiber is provided with an input optical fiber core, the outer side of the input optical fiber core is wrapped with an input optical fiber cladding, and the outer part of the input optical fiber cladding is coated with an input optical fiber coating layer;
the low-folding glass tube wraps the input optical fiber, the input optical fiber and the low-folding glass tube form a group bundle optical fiber through tapering and cutting, the group bundle optical fiber is provided with a group bundle optical fiber non-tapered section, a group bundle optical fiber tapered transition region and a group bundle optical fiber tapered waist, and the group bundle optical fiber tapered waist is welded with the output tapered optical fiber tapered waist;
an output tapered optical fiber;
the output tapered optical fiber is provided with an output tapered optical fiber taper waist, an output tapered optical fiber transition area and an output tapered optical fiber non-tapered area, and the output tapered optical fiber taper waist is welded with the group bundle optical fiber taper waist.
2. The fiber laser power combiner for maintaining high beam quality as claimed in claim 1, wherein said untapered bundle of optical fibers is provided with a glass tube texturing area.
3. The fiber laser power combiner for maintaining high beam quality as claimed in claim 1, wherein said input fiber is combined into a combined fiber after removing a coating layer of the input fiber at one end, and the combined fiber is connected to a taper waist of an output tapered fiber of the output tapered fiber.
4. The fiber laser power combiner for maintaining high beam quality of claim 1, wherein an end of the output tapered fiber is tapered and cut to form an output tapered fiber taper waist and an output tapered fiber transition region.
5. The fiber laser power combiner for maintaining high beam quality as claimed in claim 1, wherein the output tapered fiber is provided with an output fiber cladding, and the output fiber cladding is internally wrapped with an output fiber core.
6. The fiber laser power combiner for maintaining high beam quality of claim 5, wherein an output fiber coating is coated outside the output fiber cladding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222239284.2U CN218275501U (en) | 2022-08-25 | 2022-08-25 | Optical fiber laser power beam combiner capable of keeping high beam quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222239284.2U CN218275501U (en) | 2022-08-25 | 2022-08-25 | Optical fiber laser power beam combiner capable of keeping high beam quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218275501U true CN218275501U (en) | 2023-01-10 |
Family
ID=84776308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222239284.2U Active CN218275501U (en) | 2022-08-25 | 2022-08-25 | Optical fiber laser power beam combiner capable of keeping high beam quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218275501U (en) |
-
2022
- 2022-08-25 CN CN202222239284.2U patent/CN218275501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7933479B2 (en) | Multimode fiber outer cladding coupler for multi-clad fibers | |
| CN108493750B (en) | Manufacturing method of optical fiber end face pump coupler based on sleeve | |
| US6990278B2 (en) | Mode multiplexing optical coupling device | |
| CA2321782C (en) | Optical couplers for multimode fibers | |
| EP2071376A1 (en) | Optical fibre combiner with a preform comprising capillary bores and method of manufacturing thereof | |
| CN105633778B (en) | High-order mode filters out fiber end face pumping coupler and preparation method thereof | |
| CN111487722B (en) | Eight-core optical fiber multiplexing demultiplexer and preparation method thereof | |
| CN103412369A (en) | Optical fiber beam combiner and preparation method thereof | |
| CN101866032A (en) | Signal light combiner and fabrication method | |
| CN103056513A (en) | Laser processing system | |
| CN104035166A (en) | Multi-core optical fiber based high power laser beam combiner | |
| CN201656240U (en) | Fiber pump combiner | |
| CN113589433A (en) | High-fiber-core-number multi-core fiber coupler based on fused biconical taper and preparation method thereof | |
| CN112421367A (en) | Preparation method of optical fiber end face pump coupler based on sleeve method | |
| CN103576239A (en) | Method for manufacturing optical fiber beam combiner step by step | |
| CN218275501U (en) | Optical fiber laser power beam combiner capable of keeping high beam quality | |
| CN114280803B (en) | Manufacturing method of optical fiber laser beam combiner | |
| CN203480073U (en) | Fiber combiner | |
| CN203930134U (en) | High power laser light bundling device based on multi-core fiber | |
| CN212304186U (en) | High-return-light-resistant optical fiber laser power beam combiner | |
| CN217281615U (en) | Optical fiber laser | |
| CN111039559A (en) | Multi-optical-fiber high-speed rotating wire drawing side fusion beam combining device and method | |
| CN109239849A (en) | A kind of optical-fiber bundling device and preparation method thereof | |
| CN110749957A (en) | Input optical fiber and manufacturing method thereof, optical fiber combiner and manufacturing method thereof | |
| CN114256726A (en) | Optical fiber laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Peng Inventor after: Zhang Cuihua Inventor before: Zhang Peng Inventor before: Zhang Cuihua |
|
| CB03 | Change of inventor or designer information |