CN214478419U - Novel yellow light laser light source - Google Patents
Novel yellow light laser light source Download PDFInfo
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- CN214478419U CN214478419U CN202120077660.5U CN202120077660U CN214478419U CN 214478419 U CN214478419 U CN 214478419U CN 202120077660 U CN202120077660 U CN 202120077660U CN 214478419 U CN214478419 U CN 214478419U
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- 239000013307 optical fiber Substances 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 4
- 238000001228 spectrum Methods 0.000 abstract description 4
- 230000001795 light effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a novel yellow light laser light source, which comprises a plurality of red light lasers, a plurality of green light lasers, a reflector group, a coupling lens, an optical fiber beam combiner and a dodging optical fiber, wherein the red light lasers and the green light lasers respectively emit first laser, the first laser is incident on the reflector group, the reflector group reflects the first laser into the two groups of coupling lenses, and the coupling lenses project the second laser after coupling, the second laser is incident into the optical fiber beam combiner, the optical fiber beam combiner is used for homogenizing light and then projecting the homogenized light to a light homogenizing optical fiber, a red light and a green light multi-laser are firstly used for forming an array to generate a high-power single-spectrum light source, then the two colors of light are coupled to a single-core optical fiber for output through an optical system by the optical fiber beam combiner, and the two lasers can adjust the power ratio between the two lasers by a laser driving circuit so as to obtain the optimal yellow light effect.
Description
Technical Field
The utility model relates to a laser light source technical field specifically is a novel yellow light laser light source.
Background
The traditional yellow laser light source can be obtained by using 808nm semiconductor laser as a pumping source through adjustment of a series of optical crystals and optical systems, and the method has the defects of high cost, low photoelectric conversion efficiency, difficulty in modulation and larger relative volume.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel yellow light laser source to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel yellow light laser source, includes a plurality of red laser instrument, a plurality of green laser instrument, speculum group, coupling lens, optic fibre beam combiner and even light optic fibre, and is a plurality of first laser is launched respectively to red laser instrument and green laser instrument, first laser incides on the speculum group, and in the speculum group reflects first laser to two sets of coupling lenses, and throws out the second laser after the coupling of coupling lens, the second laser incides in the optic fibre beam combiner, and throws to even light optic fibre after the optic fibre beam combiner is even light.
As a further aspect of the present invention: the red laser and the green laser are provided with three groups.
As a further aspect of the present invention: collimating lenses are arranged between the red laser and the green laser and between the reflecting mirror group.
As a further aspect of the present invention: the light homogenizing optical fiber is a quadrilateral light homogenizing single-core optical fiber.
Compared with the prior art, the beneficial effects of the utility model are that:
the red light and green light multiple lasers are firstly used for forming an array to generate a high-power single-spectrum light source, then the two colors of light are coupled to a single-core optical fiber for output through an optical system by using an optical fiber beam combiner, and the two lasers can adjust the power ratio between the two lasers by using a laser driving circuit so as to obtain the optimal yellow light effect. Has the following advantages: 1. the photoelectric conversion efficiency is high; 2. less heat generation; 3. the color temperature is convenient to adjust.
Drawings
Fig. 1 is a schematic structural diagram of a novel yellow laser light source.
In the figure: the system comprises a 1-red laser, a 2-collimating mirror, a 3-green laser, a 4-first laser, a 5-reflector group, a 6-coupling lens, a 7-second laser, an 8-optical fiber beam combiner and a 9-uniform optical fiber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a novel yellow light laser light source includes a plurality of red lasers 1, a plurality of green lasers 3, a reflector group 5, a coupling lens 6, an optical fiber combiner 8 and a dodging optical fiber 9, wherein the plurality of red lasers 1 and the plurality of green lasers 3 respectively emit first laser light 4, the first laser light 4 is incident on the reflector group 5, the reflector group 5 reflects the first laser light 4 into two groups of coupling lenses 6, the coupling lenses 6 are coupled to emit second laser light 7, the second laser light 7 is incident on the optical fiber combiner 8, the optical fiber combiner 8 is coupled to the dodging optical fiber 9 after dodging, the red and green lasers form an array to generate a high-power single-spectrum light source, and the two colors of light are coupled to a single-core optical fiber output by the optical fiber combiner through an optical system, the two lasers can adjust power ratio therebetween by a laser driving circuit, to obtain the best yellow effect.
Specifically, the specific number of the red laser 1 and the green laser 3 is not limited, and in this embodiment, preferably, there are three groups for each of the red laser 1 and the green laser 3.
Specifically, collimating mirrors 2 are arranged between the red laser 1 and the green laser 3 and between the reflecting mirror group 8.
Specifically, the dodging optical fiber 9 is a quadrilateral dodging single-core optical fiber.
The utility model discloses a theory of operation is:
the red light and green light multiple lasers are firstly used for forming an array to generate a high-power single-spectrum light source, then the two colors of light are coupled to a single-core optical fiber for output through an optical system by using an optical fiber beam combiner, and the two lasers can adjust the power ratio between the two lasers by using a laser driving circuit so as to obtain the optimal yellow light effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a novel yellow light laser light source, includes a plurality of red laser instrument (1), a plurality of green laser instrument (3), speculum group (5), coupling lens (6), optical fiber beam combiner (8) and even light optic fibre (9), its characterized in that, a plurality of first laser (4) are launched respectively to red laser instrument (1) and green laser instrument (3), first laser (4) are incided on speculum group (5), and speculum group (5) reflect first laser (4) in two sets of coupling lens (6), and throw out second laser (7) after coupling lens (6), second laser (7) are incided in optical fiber beam combiner (8), and throw after optical fiber beam combiner (8) even light to even light optic fibre (9).
2. The new yellow laser light source according to claim 1, characterized in that there are three groups of red lasers (1) and green lasers (3).
3. The new yellow laser light source according to claim 2, characterized in that collimating mirrors (2) are arranged between the red laser (1) and the green laser (3) and the mirror group (5).
4. The novel yellow laser light source according to any one of claims 1-3, wherein the dodging optical fiber (9) is a quadrangular dodging single-core optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120077660.5U CN214478419U (en) | 2021-01-13 | 2021-01-13 | Novel yellow light laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120077660.5U CN214478419U (en) | 2021-01-13 | 2021-01-13 | Novel yellow light laser light source |
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| Publication Number | Publication Date |
|---|---|
| CN214478419U true CN214478419U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120077660.5U Active CN214478419U (en) | 2021-01-13 | 2021-01-13 | Novel yellow light laser light source |
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| CN (1) | CN214478419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184984A1 (en) * | 2022-03-30 | 2023-10-05 | 青岛海信激光显示股份有限公司 | Laser projection device |
-
2021
- 2021-01-13 CN CN202120077660.5U patent/CN214478419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184984A1 (en) * | 2022-03-30 | 2023-10-05 | 青岛海信激光显示股份有限公司 | Laser projection device |
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