阅读说明：本技术 一种一字特细线光斑半导体激光输出系统 (Linear ultra-fine line light spot semiconductor laser output system ) 是由 韩琼 潘昊 芮建保 韦春雷 于 2020-12-31 设计创作，主要内容包括：本发明揭示了一种线光斑半导体激光输出系统,包括光纤输出激光器以及与光纤输出激光器连接的镜头。本发明中的线光斑半导体激光输出系统通过配置不同的镜头、光纤和光纤输出激光器使得输出极细的光线,并且亮度更高、功率密度更高,传输距离更远,拓展了光纤输出激光器的可传输范围,可操作性强,简单便捷。(The invention discloses a line light spot semiconductor laser output system which comprises an optical fiber output laser and a lens connected with the optical fiber output laser. The line spot semiconductor laser output system outputs extremely fine light by configuring different lenses, optical fibers and optical fiber output lasers, has higher brightness, higher power density and longer transmission distance, expands the transmission range of the optical fiber output lasers, and has strong operability, simplicity and convenience.)

1. A line spot semiconductor laser output system is characterized by comprising an optical fiber output laser and a lens connected with the optical fiber output laser.

2. The line spot semiconductor laser output system of claim 1, wherein the fiber output laser comprises a housing, a plurality of light emitting chips mounted in the housing, a first optical assembly disposed corresponding to the light emitting chips, and a fiber mounted in cooperation with the housing and disposed corresponding to the first optical assembly.

3. The line spot semiconductor laser output system according to claim 2, wherein the first optical component comprises a lens, a plano-convex cylindrical mirror, a reflector and a focusing lens, the plano-convex cylindrical mirror and the reflector are sequentially disposed, the lens is mounted at the laser output end of the light emitting chip, the focusing lens is disposed corresponding to the reflector, and the focusing lens is configured to converge the laser light reflected by the reflector.

4. The line spot semiconductor laser output system according to claim 2, wherein an electrode is mounted on the housing, and a thermistor connecting the electrode and the light emitting chip is mounted in the housing.

5. The line spot semiconductor laser output system of claim 1, wherein the lens comprises a body and a plurality of sets of second optical components mounted in the body, the second optical components comprising a cylindrical lens, a spherical lens and a powell lens arranged in sequence.

6. The line spot semiconductor laser output system of claim 1, wherein the optical band of the fiber output laser is [300nm, 1550nm ].

7. The line spot semiconductor laser output system according to claim 1, wherein the core diameter of the optical fiber for the fiber output laser is in a range of [50um, 1mm ].

8. The line spot semiconductor laser output system according to claim 7, wherein the core diameter of the optical fiber for the fiber output laser is in a range of [105um, 600um ].

9. The line spot semiconductor laser output system of claim 1, wherein the fiber output laser has a numerical aperture of (0, 0.22 ].

10. The line spot semiconductor laser output system of claim 1, wherein the output power of the fiber output laser is [0, 1500w ].

Technical Field

The invention belongs to the field of semiconductor lasers, and particularly relates to a one-line ultra-thin line light spot semiconductor laser output system.

Background

The semiconductor laser is a device which takes a semiconductor substance as a gain medium to generate stimulated radiation action, the working principle is that population inversion is realized between energy bands or energy levels of the semiconductor substance through a certain excitation mode, and stimulated emission action is generated when a large number of electrons and holes in a population inversion state are compounded. The line laser system is one of semiconductor lasers, and the light beam of the line laser system is a straight line with uniform brightness, so that the line laser system is mainly used in the industries of machinery, construction and processing, and is specifically applied to railway detection, area array scanning, 3D scanning, remote illumination, detection, indication and the like.

At present, a line spot output system on the market has short working distance and the line width is always kept in a limited range.

Therefore, in view of the above technical problems, there is a need to provide a new solution for upgrading a narrow line width again on the basis of a conventional line laser output system.

Disclosure of Invention

In view of the above, the present invention provides a line spot semiconductor laser output system to achieve good collimation effect and long working distance.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a line light spot semiconductor laser output system comprises an optical fiber output laser and a lens connected with the optical fiber output laser.

In one embodiment, the optical fiber output laser includes a housing, a plurality of light emitting chips mounted in the housing, a first optical assembly disposed corresponding to the light emitting chips, and an optical fiber mounted in cooperation with the housing and disposed corresponding to the first optical assembly.

In an embodiment, the first optical component includes a lens, a plano-convex cylindrical mirror, a reflector and a focusing lens, the plano-convex cylindrical mirror and the reflector are sequentially disposed, the lens is mounted at a laser output end of the light emitting chip, the focusing lens is disposed corresponding to the reflector, and the focusing lens is configured to converge the laser reflected by the reflector.

In one embodiment, the housing is provided with an electrode, and the housing is provided with a thermistor for connecting the electrode and the light emitting chip.

In one embodiment, the lens comprises a body and a plurality of groups of second optical assemblies arranged in the body, wherein the second optical assemblies comprise a cylindrical lens, a ball lens and a powell lens which are arranged in sequence.

In one embodiment, the optical band of the fiber output laser is [300nm, 1550nm ].

In one embodiment, the core diameter of the optical fiber for the optical fiber output laser is in the range of [50um, 1mm ].

In one embodiment, the core diameter of the optical fiber for the fiber output laser is in the range of [105um, 600um ].

In one embodiment, the numerical aperture of the fiber output laser is (0, 0.22%).

In one embodiment, the output power of the fiber output laser is [0, 1500w ].

Compared with the prior art, the invention has the following advantages:

the line spot semiconductor laser output system outputs extremely fine light by configuring different lenses, optical fibers and optical fiber output lasers, has higher brightness, higher power density and longer transmission distance, expands the transmission range of the optical fiber output lasers, and has strong operability, simplicity and convenience.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of an ultra-thin line spot semiconductor laser output system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an optical fiber output laser of the ultra-thin line spot semiconductor laser output system according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to various components shown in the accompanying drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The invention discloses a line light spot semiconductor laser output system which comprises an optical fiber output laser and a lens connected with the optical fiber output laser.

The present invention is further illustrated by the following specific examples.

Referring to fig. 1, a line-spot semiconductor laser output system includes a fiber output laser 100 and a lens 200 connected to the fiber output laser 100.

Referring to fig. 2, the optical fiber output laser 100 includes a housing 101, a plurality of light emitting chips 102 mounted in the housing 101, a first optical assembly corresponding to the light emitting chips 102, and an optical fiber 103 mounted in the housing 101 and corresponding to the first optical assembly, wherein the plurality of light emitting chips 102 are arranged side by side, the light emitting chips 102 are cos chips, an electrode 108 is mounted on the housing 101, a thermistor 109 connecting the electrode 108 and the light emitting chips 102 is mounted in the housing 101, and a cover plate 110 is mounted on the housing 101.

The first optical assembly comprises a lens 104, a planoconvex cylindrical mirror 105, a reflector 106 and a focusing lens 107, the lens 104, the planoconvex cylindrical mirror 105 and the reflector 106 are sequentially arranged, the lens 104 is installed at the laser output end of the light emitting chip 102, the focusing lens 107 is arranged corresponding to the reflector 106, the focusing lens 107 is used for converging laser reflected by the reflector 106 and outputting the laser to the optical fiber 103, and the lens 104 is an FAC lens.

In this embodiment, the lens 200 includes a body and a plurality of sets of second optical components installed in the body, where the second optical components include two or three cylindrical lenses, a ball lens and a powell lens, which are sequentially disposed.

In this embodiment, the optical band of the optical fiber output laser 100 is [300nm, 1550nm ], the core diameter range of the optical fiber 103 for the optical fiber output laser 100 is [50um, 1mm ], the core diameter range of the optical fiber 103 for the optical fiber output laser 100 is [105um, 600um ], the numerical aperture of the optical fiber output laser 100 is (0, 0.22], and the output power of the optical fiber output laser 100 is [0, 1500w ].

The lens 200 can match the line width of 12mm at 7m with the light emitted by the optical fiber output laser 100 adopting the optical fiber 103 with the core diameter of 400um, the line width of 7mm at 7m with the light emitted by the optical fiber output laser 100 adopting the optical fiber 103 with the core diameter of 200um, the line width of 4mm at 5 m with the light emitted by the optical fiber output laser 100 adopting the optical fiber 103 with the core diameter of 105um, and the effects of more different line widths of the optical fiber 103 with other core diameters and the optical fiber output laser 100 with different design NA can be changed, so that different application scenes can be matched. The optical fiber output laser 100 and the different lenses 200 that change the optical fiber (50um, 62.5um, 105um, 200um, 400um, 600um, 1mm, etc.) and the different NA design output of different core diameters can reach the effect of different ray diameters, and the light beam is because power density is high when the far field, and the penetrability is extremely strong.

According to the technical scheme, the invention has the following beneficial effects: the line spot semiconductor laser output system outputs extremely fine light by configuring different lenses, optical fibers and optical fiber output lasers, has higher brightness, higher power density and longer transmission distance, expands the transmission range of the optical fiber output lasers, and has strong operability, simplicity and convenience.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.