CN214478401U

CN214478401U - Novel high-power white laser light source

Info

Publication number: CN214478401U
Application number: CN202120077639.5U
Authority: CN
Inventors: 何伟锋; 韦国兴; 曲鲁杰
Original assignee: Bosheng Photoelectric Technology Zhongshan Co ltd
Current assignee: Bosheng Photoelectric Technology Zhongshan Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-22
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a novel high-power white laser light source, which comprises a plurality of red lasers, a plurality of green lasers, a plurality of blue lasers, a coupling lens, an optical fiber beam combiner and a reflector group, wherein the red lasers, the green lasers and the blue lasers respectively emit first lasers, the first lasers are incident on three groups of reflector groups, the three groups of first lasers are reflected into three groups of coupling lenses by the reflector group, the coupling lenses are coupled to emit second lasers, the second lasers are incident into the optical fiber beam combiner, the optical fiber beam combiner emits uniform light optical fibers after uniform light, an array is formed by the red lasers, the green lasers and the plurality of lasers to generate a high-power single-spectrum light source, the three-color optical fiber beam combiner is coupled to a single-core optical fiber output by an optical system, the lasers can adjust three paths of power ratio between the lasers by a laser driving circuit, to obtain the best white light effect.

Description

Novel high-power white laser light source

Technical Field

The utility model relates to a laser light source technical field specifically is a novel high-power white laser light source.

Background

The traditional white laser light source can be obtained by exciting high-power blue light through fluorescent powder, and the method has the defects of high heat and low photoelectric conversion efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-power white laser light source to solve the problem that proposes in 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 high-power white laser light source, includes a plurality of red laser instrument, a plurality of green laser instrument, a plurality of blue laser instrument, coupling lens, optic fibre beam combiner and reflector group, and is a plurality of first laser, three groups are launched respectively to red laser instrument, green laser instrument, blue laser instrument first laser incides on three groups of reflector groups, and reflector group with three groups of first laser reflection to three groups of coupling lens in, and throw out the second laser after the coupling of coupling lens, the second laser incides in the optic fibre beam combiner, and the even optical fiber of throwing out behind the even light of optic fibre beam combiner.

As a further aspect of the present invention: the red laser, the green laser and the blue laser are all provided with three groups.

As a further aspect of the present invention: collimating lenses are arranged between the red laser, the green laser and the blue 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, green and blue lasers are firstly used to form an array to generate a high-power single-spectrum light source, the three colors of light are coupled to a single-core optical fiber output by an optical system through an optical fiber beam combiner, and the three lasers can adjust the power ratio among the three lasers through a laser driving circuit to obtain the optimal white 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 high-power white laser light source.

In the figure: the laser system comprises a 1-red laser, a 2-green laser, a 3-blue laser, a 4-collimating mirror, a 5-coupling lens, a 6-optical fiber beam combiner, a 7-uniform optical fiber, an 8-reflector group, a 9-first laser and a 10-second laser.

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 high-power white laser light source includes a plurality of red lasers 1, a plurality of green lasers 2, a plurality of blue lasers 3, a coupling lens 5, an optical fiber combiner 6, a dodging optical fiber 7 and a reflector group 8, wherein the red lasers 1, the green lasers 2 and the blue lasers 3 respectively emit first lasers 9, three groups of the first lasers 9 are incident on three groups of the reflector group 8, the reflector group 8 reflects the three groups of the first lasers 9 into the three groups of the coupling lens 5, the coupling lens 5 couples and emits second lasers 10, the second lasers 10 are incident into the optical fiber combiner 6, the optical fiber combiner 6 after being homogenized and emits dodging the dodging optical fiber 7, the red, green and blue lasers respectively pass through the reflector group 8 and then enter the optical fiber combiner 6 through the coupling lens 5, the power proportion of three-color light can be adjusted by adjusting the driving current of three paths of laser light at the output of the dodging single-core optical fiber of the beam combiner, so that the thought white light effect and the light power can be obtained.

Specifically, the specific number of the red laser 1, the green laser 2, and the blue laser 3 is not limited, and in this embodiment, preferably, the red laser 1, the green laser 2, and the blue laser 3 all have three sets.

Specifically, collimating lenses 4 are arranged between the red laser 1, the green laser 2, the blue laser 3 and the reflector group 8.

Specifically, the dodging optical fiber 7 is a quadrilateral dodging single-core optical fiber.

The utility model discloses a theory of operation is:

the red, green and blue lasers respectively pass through the collimating mirror and the reflecting mirror and then pass through the coupling mirror to enter the optical fiber beam combiner, and the power proportion of the three colors of light can be adjusted by adjusting the driving current of the three lasers at the output of the quadrilateral dodging single-core optical fiber of the beam combiner so as to obtain the thought white light effect and light power

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

1. A novel high-power white laser light source comprises a plurality of red lasers (1), a plurality of green lasers (2), a plurality of blue lasers (3), a coupling lens (5), an optical fiber beam combiner (6), a uniform optical fiber (7) and a reflector group (8), it is characterized in that a plurality of red lasers (1), green lasers (2) and blue lasers (3) respectively emit first laser (9), three groups of first laser (9) are incident on three groups of reflector sets (8), and the reflector group (8) reflects the three groups of first laser lights (9) into the three groups of coupling lenses (5), and the coupling lens (5) projects second laser (10) after coupling, the second laser (10) enters the optical fiber beam combiner (6), and the optical fiber beam combiner (6) projects the homogenized light to the uniform light optical fiber (7).

2. The new high power white laser light source according to claim 1, characterized in that the red laser (1), the green laser (2) and the blue laser (3) have three groups.

3. The novel high-power white laser light source according to claim 2, characterized in that collimating lenses (4) are arranged between the red laser (1), the green laser (2) and the blue laser (3) and the reflector group (8).

4. The novel high-power white laser light source according to any one of claims 1 to 3, characterized in that the dodging optical fiber (7) is a quadrangular dodging single-core optical fiber.