CN217036313U - Double-optical-fiber semiconductor laser - Google Patents
Double-optical-fiber semiconductor laser Download PDFInfo
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- CN217036313U CN217036313U CN202220971451.XU CN202220971451U CN217036313U CN 217036313 U CN217036313 U CN 217036313U CN 202220971451 U CN202220971451 U CN 202220971451U CN 217036313 U CN217036313 U CN 217036313U
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Abstract
The utility model relates to a double optical fiber semiconductor laser, comprising: the device comprises a first laser unit, a second laser unit, a first focusing unit, a second focusing unit, a first optical fiber and a second optical fiber; the first laser unit emits first laser, and the first laser emits first laser to the first focusing unit and is coupled into the first optical fiber in a focusing mode; the second laser unit emits second laser which is emitted to the second focusing unit and is coupled into the second optical fiber in a focusing mode; therefore, the semiconductor laser can output the standard power of two conventional semiconductor lasers, so that the output power of laser cutting or welding equipment is increased, and the mounting area of the semiconductor laser cannot be additionally increased.
Description
Technical Field
The utility model relates to the field of lasers, in particular to a double-optical-fiber semiconductor laser.
Background
A laser is a device capable of emitting laser, and a common semiconductor laser is widely used in the fields of industrial processing, military, medical treatment, security and the like due to the advantages of high efficiency, long service life and the like.
Along with the industrial development, the output power of large-scale laser cutting or welding equipment is also increased, the output power of the conventional laser cutting or welding equipment is obtained by superposing a plurality of semiconductor lasers with consistent output power and then focusing, and along with the increase of the using number of the semiconductor lasers, the area for mounting the semiconductor lasers in the equipment is increased, so that the assembly and circuit arrangement of other structures can be influenced, and if the volume of the equipment is increased, the problems of increasing the occupied area and increasing the cost can be faced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-optical-fiber semiconductor laser, which can output the standard power of two conventional semiconductor lasers by installing one semiconductor laser, thereby ensuring that the output power of laser cutting or welding equipment is increased without additionally increasing the installation area of the semiconductor laser.
In order to achieve the above object, the present invention provides a dual optical fiber semiconductor laser including: the device comprises a first laser unit, a second laser unit, a first focusing unit, a second focusing unit, a first optical fiber and a second optical fiber; the first laser unit emits first laser which is emitted to the first focusing unit and is focused and coupled into the first optical fiber; the second laser unit emits second laser which is emitted to the second focusing unit and is coupled into the second optical fiber in a focusing mode.
Furthermore, the first laser unit and the second laser unit are arranged on opposite sides of the shell.
Further, the first laser unit is arranged on the upper side of the shell, and the second laser unit is arranged on the lower side of the shell.
Further, the first laser unit and the second laser unit are arranged oppositely.
Further, the first laser units and the second laser units are arranged in a parallel and staggered mode.
Further, the first laser unit comprises a first laser chip, a first collimating lens and a first reflector, the first laser chip emits first laser, the first laser emits first laser to the first collimating lens and emits the first laser to the first reflector after being collimated, and the first laser turned by the first reflector emits the first laser to the first focusing unit; the second laser unit comprises a second laser chip, a second collimating lens and a second reflecting mirror, the second laser chip emits second laser, the second laser irradiates the second collimating lens and is collimated and then irradiates the second reflecting mirror, and the second laser which is turned by the second reflecting mirror irradiates the second focusing unit.
Furthermore, at least two first laser units arranged in a stepped manner are arranged on the upper side of the shell, the vertical height of the step where the first laser unit closest to the first focusing unit is located is the lowest, and the vertical height of the step where the first laser unit farthest from the first focusing unit is located is the highest; at least two second laser units which are arranged in a stepped manner are arranged on the lower side of the shell, the step where the second laser unit closest to the second focusing unit is located is the lowest vertical height, and the step where the second laser unit farthest from the second focusing unit is located is the highest vertical height; the number of the first laser units is equal to that of the second laser units.
Furthermore, the first laser unit is arranged on the left side of the shell and comprises a first laser chip and a first collimating lens, the first laser chip emits first laser, and the first laser emits first laser to the first collimating lens and the first laser emits to the first focusing unit after being collimated; the second laser unit comprises a second laser chip, a second collimating lens and a second reflecting mirror, the second laser chip emits second laser, the second laser irradiates the second collimating lens and is collimated and then irradiates the second reflecting mirror, and the second laser which is turned by the second reflecting mirror irradiates the second focusing unit.
Further, the first laser unit and the second laser unit are arranged on the same side of the shell.
Further, the first laser unit and the second laser unit are both arranged on the upper side or the lower side of the shell, and the first reflector in the first laser unit and the second reflector in the second laser unit are not on the same straight line.
The utility model has the beneficial effects that: through installing a semiconductor laser, can export the standard power of two semiconductor laser in the past, when guaranteeing laser cutting or welding equipment output power increase like this, can not additionally increase the installation area of semiconductor laser.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.
Fig. 2 is another overall structure diagram of the first embodiment of the present invention.
Fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention.
Fig. 4 is an overall structural schematic diagram of a third embodiment of the present invention.
Fig. 5 is a schematic overall structure diagram of a fourth embodiment of the present invention.
In the figure, the position of the first and second end faces,
100. a first laser unit; 110. a first laser chip; 111. a first laser; 120. a first collimating lens; 130. a first reflecting mirror;
200. a second laser unit; 210. a second laser chip; 211. a second laser; 220. a second reflector; 230. a second reflector;
300. a first focusing unit; 310. a first fast axis focusing lens; 320. a first slow-axis focusing lens;
400. a second focusing unit; 410. a second fast axis focusing lens; 420. a second slow-axis focusing lens;
500. a first optical fiber;
600. a second optical fiber;
700. a housing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, a dual-fiber semiconductor laser according to the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "central," "longitudinal," "lateral," "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for ease of describing the utility model and to simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model. 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.
Example one
Referring to fig. 1, a dual-fiber semiconductor laser mainly includes a first laser unit 100, a second laser unit 200, a first focusing unit 300, a second focusing unit 400, a first optical fiber 500, and a second optical fiber 600, and the semiconductor laser can output the standard power of two conventional semiconductor lasers, so that the output power of a laser cutting or welding device is increased without additionally increasing the installation area of the semiconductor laser.
Specifically, the first laser unit 100 is disposed on the upper side of the housing 700, the second laser unit 200 is disposed on the lower side of the housing 700, the first laser unit 100 and the second laser unit 200 are disposed in parallel and staggered in the mounting position, and the first optical fiber 500 and the second optical fiber 600 are mounted on the right side of the housing 700.
The first laser unit 100 includes a first laser chip 110, a first collimating lens 120 and a first reflector 130, the first laser chip 110 emits a first laser 111, the first laser 111 emits towards the first collimating lens 120 and emits towards the first reflector 130 after being collimated, the first laser 111 turned by the first reflector 130 emits towards a first focusing unit 300, the first focusing unit 300 includes a first fast axis focusing lens 310 and a first slow axis focusing lens 320, the first laser 111 enters a receiving end of the first optical fiber 500 after being focused in fast axis and slow axis directions by the first fast axis focusing lens 310 and the first slow axis focusing lens 320, and finally emits from an output end of the first optical fiber 500.
The second laser unit 200 includes a second laser chip 210, a second collimating lens 220 and a second reflecting mirror 230, the second laser chip 210 emits a second laser beam 211, the second laser beam 211 is emitted to the second collimating lens 220 and then to the second reflecting mirror 230 after being collimated, the second laser beam 211 deflected by the second reflecting mirror 230 is emitted to the second focusing unit 400, the second focusing unit 400 includes a second fast-axis focusing lens 410 and a second slow-axis focusing lens 420, and the second laser beam 211 enters the receiving end of the second optical fiber 600 after being focused in the fast-axis and slow-axis directions by the second fast-axis focusing lens 410 and the second slow-axis focusing lens 420, and finally is emitted from the output end of the second optical fiber 600.
It should be noted that, referring to fig. 2, the installation positions of the first laser unit 100 and the second laser unit 200 may also be arranged relatively, and the effect is the same regardless of the size of the housing 700; in addition, the first focusing unit 300 or the second focusing unit 400 may directly employ a spherical mirror for focusing, and the spherical mirror may directly implement focusing in the fast axis and slow axis directions.
Example two
Referring to fig. 3, on the basis of the first embodiment, at least two first laser units 100 are disposed on the upper side of the housing 700 in a stepped manner, wherein a first laser unit 100 closest to the first focusing unit 300 has the lowest vertical height of the step, and a first laser unit 100 farthest from the first focusing unit 300 has the highest vertical height of the step; at least two second laser units 200 arranged in a stepped manner are arranged on the lower side of the shell 700, the step vertical height of the second laser unit 200 closest to the second focusing unit 400 is the lowest, and the step vertical height of the second laser unit 200 farthest from the second focusing unit 400 is the highest; the number of the first laser units 100 is equal to that of the second laser units 200; the number of the first laser unit 100 and the second laser unit 200 is set according to the standard power of the output of the single optical fiber.
EXAMPLE III
Referring to fig. 4, the difference between the first embodiment is that the first laser unit 100 is disposed on the left side of the housing 700, the first laser unit 100 includes a first laser chip 110 and a first collimating lens 120, the first laser chip 110 emits a first laser 111, and the first laser 111 emits the first laser 111 to the first collimating lens 120 and then to the first focusing unit 300 after being collimated, which are the same as those in the first embodiment and are not repeated herein.
In the third embodiment, since the first laser unit 100 directly faces the first focusing unit 300, the first mirror 130 is not provided for turning.
Example four
Referring to fig. 5, compared to the first embodiment, the difference is that the first laser unit 100 and the second laser unit 200 are disposed on the upper side or the lower side of the housing 700 at the same time, wherein the first mirror 130 in the first laser unit 100 and the second mirror 230 in the second laser unit 200 are not in the same line, so as to prevent the laser light from being blocked.
It should be noted that the first laser unit 100 and the second laser unit 200 are disposed at the same time on the left side of the housing 700, and the first mirror 130 and the second mirror 230 are not disposed to be turned since they directly face the first focusing unit 300 and the second focusing unit 400, respectively.
It should be noted that, when the first laser unit 100 and the second laser unit 200 are simultaneously disposed on the upper side or the lower side of the housing 700, the number of the first laser unit 100 and the second laser unit 200 is adjusted according to the standard power output by the single optical fiber, and the first laser unit 100 and the second laser unit 200 are alternately disposed.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A dual fiber semiconductor laser, comprising: the device comprises a first laser unit, a second laser unit, a first focusing unit, a second focusing unit, a first optical fiber and a second optical fiber;
the first laser unit emits first laser, and the first laser emits first laser to the first focusing unit and is coupled into the first optical fiber in a focusing mode;
the second laser unit emits second laser which is emitted to the second focusing unit and is coupled into the second optical fiber in a focusing mode.
2. A dual fiber semiconductor laser as claimed in claim 1 wherein the first and second lasing units are disposed on opposite sides of a housing.
3. A dual fiber semiconductor laser as claimed in claim 2 wherein the first laser unit is disposed on an upper side of the housing and the second laser unit is disposed on a lower side of the housing.
4. A dual fiber semiconductor laser as claimed in claim 3 wherein the first lasing unit is disposed opposite the second lasing unit.
5. A dual fiber semiconductor laser as claimed in claim 3 wherein the first and second lasing units are staggered in parallel.
6. A dual fiber semiconductor laser as claimed in any one of claims 3-5,
the first laser unit comprises a first laser chip, a first collimating lens and a first reflector, the first laser chip emits first laser, the first laser emits the first laser to the first collimating lens and emits the first laser to the first reflector after being collimated, and the first laser turned by the first reflector emits the first laser to the first focusing unit;
the second laser unit comprises a second laser chip, a second collimating lens and a second reflector, the second laser chip emits second laser, the second laser irradiates the second collimating lens and the second reflector after being collimated, and the second laser which is turned by the second reflector irradiates the second focusing unit.
7. A dual fiber semiconductor laser as claimed in claim 6,
the upper side of the shell is provided with at least two first laser units which are arranged in a stepped manner, the vertical height of the step where one first laser unit closest to the first focusing unit is located is the lowest, and the vertical height of the step where one first laser unit farthest from the first focusing unit is located is the highest;
the lower side of the shell is provided with at least two second laser units which are arranged in a stepped manner, the step where one second laser unit closest to the second focusing unit is located is the lowest in vertical height, and the step where one second laser unit farthest from the second focusing unit is located is the highest in vertical height;
the number of the first laser units is equal to that of the second laser units.
8. A dual fiber semiconductor laser as claimed in claim 2,
the first laser unit is arranged on the left side of the shell and comprises a first laser chip and a first collimating lens, the first laser chip emits first laser, and the first laser emits first laser to the first collimating lens and emits the first laser to the first focusing unit after being collimated;
the second laser unit comprises a second laser chip, a second collimating lens and a second reflecting mirror, the second laser chip emits second laser, the second laser irradiates the second collimating lens and is collimated and then irradiates the second reflecting mirror, and the second laser which is turned by the second reflecting mirror irradiates the second focusing unit.
9. A dual fiber semiconductor laser as claimed in claim 1 wherein the first and second laser units are disposed on the same side of the housing.
10. A dual fiber semiconductor laser as claimed in claim 9, wherein the first laser unit and the second laser unit are located on the same upper or lower side of the housing, and the first mirror of the first laser unit and the second mirror of the second laser unit are not aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220971451.XU CN217036313U (en) | 2022-04-25 | 2022-04-25 | Double-optical-fiber semiconductor laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220971451.XU CN217036313U (en) | 2022-04-25 | 2022-04-25 | Double-optical-fiber semiconductor laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217036313U true CN217036313U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220971451.XU Active CN217036313U (en) | 2022-04-25 | 2022-04-25 | Double-optical-fiber semiconductor laser |
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| CN (1) | CN217036313U (en) |
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- 2022-04-25 CN CN202220971451.XU patent/CN217036313U/en active Active
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