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CN220019980U - High-power laser module vertical light-emitting light path system - Google Patents

High-power laser module vertical light-emitting light path system Download PDF

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Publication number
CN220019980U
CN220019980U CN202321404334.6U CN202321404334U CN220019980U CN 220019980 U CN220019980 U CN 220019980U CN 202321404334 U CN202321404334 U CN 202321404334U CN 220019980 U CN220019980 U CN 220019980U
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CN
China
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light beam
reflecting mirror
reflecting surface
light
beam component
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Application number
CN202321404334.6U
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Chinese (zh)
Inventor
何龙
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Shenzhen Parallel Light Technology Co ltd
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Shenzhen Parallel Light Technology Co ltd
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Priority to CN202321404334.6U priority Critical patent/CN220019980U/en
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Abstract

The utility model discloses a high-power laser module vertical light-emitting light path system, which comprises a focusing mirror, a first light beam component and a second light beam component, wherein the first light beam component and the second light beam component are arranged in parallel; the first beam component side is provided with a first reflecting mirror, and the second beam component side is provided with a polarization spectroscope; the first light beam component and the second light beam component comprise more than one LD tube, the side surface of the LD tube is provided with a second reflecting mirror, and the second reflecting mirror is arranged opposite to the polarization spectroscope or the first reflecting mirror; a diaphragm is added at the position close to the LD tube of the first reflecting mirror and the polarization spectroscope; according to the utility model, the second reflecting mirror is arranged on the side surface of the LD tube, the second reflecting mirror is opposite to the polarizing beam splitter or the first reflecting mirror, and a diaphragm is additionally arranged at the position of the LD tube close to the first reflecting mirror and the polarizing beam splitter, so that reflected light cannot enter the LD tube, and the laser module can be more stable and longer in service life.

Description

High-power laser module vertical light-emitting light path system
Technical Field
The utility model relates to the technical field of laser modules, in particular to a high-power laser module vertical light-emitting optical path system.
Background
In order to increase the intensity of laser engraving in the prior art, a plurality of laser modules are generally stacked, a plurality of groups of lasers are converged into one high-intensity laser, a plurality of light beams are overlapped by adopting a polarization spectroscope in the prior art, but partial residual light injected into the polarization spectroscope can be reflected back into an LD tube, and the service life of the LD tube is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a high-power laser module vertical light-emitting light path system so as to solve the technical problem in the background art.
The high-power laser module vertical light-emitting light path system is realized by the following technical scheme: the focusing lens comprises a focusing lens, a first beam component and a second beam component which are arranged in parallel; the first beam component side is provided with a first reflecting mirror, and the second beam component side is provided with a polarization spectroscope;
the first light beam component and the second light beam component comprise more than one LD tube, the side surface of the LD tube is provided with a second reflecting mirror, and the second reflecting mirror is arranged opposite to the polarization spectroscope or the first reflecting mirror;
a diaphragm is added at the LD tube near the first reflector and the polarization spectroscope.
As a preferable technical scheme, a collimating lens is arranged between the LD tube and the first reflecting mirror; a half-wave plate is arranged between the first beam component and the polarization spectroscope;
the side of the polarization spectroscope is provided with a third reflecting mirror which is arranged opposite to the focusing mirror.
As a preferable technical scheme, the first beam component generates a first beam, and the second beam component generates a second beam; the first light beam and the second light beam are both arranged at 90 degrees with the collimating lens;
the second reflecting mirror is provided with a first reflecting surface; the first reflecting mirror is provided with a second reflecting surface; the polarization spectroscope is provided with a third reflecting surface and a fourth reflecting surface; the third reflecting mirror is provided with a fifth reflecting surface;
the first light beam and the second light beam are both arranged at 45 degrees with the first reflecting surface; the first reflecting surface and the second reflecting surface on the first beam component are arranged at 90 degrees; the second reflecting surface is arranged in parallel with the fourth reflecting surface;
the fourth reflecting surface and the fifth reflecting surface are arranged at 90 degrees; the fifth reflecting surface is arranged at 45 degrees with the focusing mirror; the first reflecting surface and the third reflecting surface on the second beam component are arranged at 45 degrees;
the second reflecting surface, the fourth reflecting surface and the half wave plate are all arranged at 45 degrees.
The beneficial effects of the utility model are as follows: through setting up the second speculum in LD pipe side, the second speculum sets up with polarization spectroscope or first speculum relatively, is being close to first speculum and polarization spectroscope's LD pipe department and increasing a diaphragm, ensures that the reflected light can not get into in the LD pipe, just so can make laser module more stable life longer.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a vertical light path system of a high-power laser module according to the present utility model;
FIG. 2 is a schematic diagram II of a vertical light-emitting optical path system of the high-power laser module according to the present utility model;
fig. 3 is a schematic diagram of a vertical light-emitting optical path system of the high-power laser module according to the present utility model.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
As shown in fig. 1-3, the high-power laser module vertical light-emitting optical path system of the utility model comprises a focusing mirror 3, a first beam component 1 and a second beam component 2 which are arranged in parallel; the method is characterized in that: the first reflecting mirror 4 is arranged on the side surface of the first light beam component 1, and the polarizing beam splitter 5 is arranged on the side surface of the second light beam component 2; the first light beam component 1 and the second light beam component 2 comprise more than one LD tube 6, the side surface of the LD tube 6 is provided with a second reflecting mirror 7, and the second reflecting mirror 7 is arranged opposite to the polarization beam splitter 5 or the first reflecting mirror 4; a diaphragm 8 is added near the LD tube 6 of the first mirror 4 and the polarizing beamsplitter 5.
In the present embodiment, a collimator lens 9 is installed between the LD tube 6 and the first reflecting mirror 4; a half-wave plate 10 is arranged between the first beam component 1 and the polarization spectroscope 5; the polarization beam splitter 5 is provided with a third reflecting mirror 11 on the side surface, and the third reflecting mirror 11 is arranged opposite to the focusing mirror 3.
In this embodiment, the first beam component 1 generates the first beam 100, and the second beam component 2 generates the second beam 101; the first light beam 100 and the second light beam 101 are both arranged at 90 degrees with the collimator lens 9; the second reflecting mirror 7 is provided with a first reflecting surface 50; the first reflecting mirror 4 is provided with a second reflecting surface 51; the polarizing beam splitter 5 is provided with a third reflecting surface 52 and a fourth reflecting surface 53; the third reflecting mirror 11 is provided with a fifth reflecting surface 54; the first light beam 100 and the second light beam 101 are both disposed at 45 degrees to the first reflecting surface 50; the first reflecting surface 50 and the second reflecting surface 51 on the first beam component 1 are arranged at 90 degrees; the second reflecting surface 51 is disposed in parallel with the fourth reflecting surface 53; the fourth reflecting surface 53 and the fifth reflecting surface 54 are arranged at 90 degrees; the fifth reflecting surface 54 is arranged at 45 degrees with the focusing mirror 3; the first reflecting surface 50 and the third reflecting surface 52 on the second beam assembly 2 are arranged at 45 degrees; the second reflecting surface 51 and the fourth reflecting surface 53 are each disposed at 45 degrees to the half-wave plate 10.
In the embodiment, the LD laser diode emits light beams, the beam divergence angle is reduced by using a collimating lens, the diverged light rays are converged into one parallel light beam, the parallel light beam is turned by a 45-degree included angle through a 45-degree second reflecting mirror, the light energy is increased, a multilayer medium reflecting film is used on the 45-degree second reflecting mirror, the reflectivity is increased, and the light beam energy loss is reduced, so that 4 or more parallel light beams are sequentially arranged on the same plane to be injected into the polarization beam splitter, and as part of residual light injected into the polarization beam splitter can be reflected back, a diaphragm is added at the LD pipe close to the polarizing plate, so that the reflected light can not enter the LD pipe, and the laser module can be more stable and longer in service life;
therefore, a group of parallel light beams in the horizontal direction are obtained, in order to reduce the volume, the parallel light beams with higher energy are obtained in a narrow space, and therefore, the same 4 or more parallel light beams are arranged under the parallel light beams in a staggered way, the 4 or more parallel light beams pass through a half wave plate and then pass through a polarization spectroscope to be overlapped with another group of light beams through a 45-degree first reflecting mirror, and part of laser can be directly reflected into an LD-A tube at the position of the first reflecting mirror due to overlarge light energy, so that the LD-A light is easy to damage, a diaphragm is required to be added at the position, the reflected light cannot enter the LD-A tube, and the laser module can be more stable and longer in service life. The laser beam has partial polarized light, the polarized light is reflected back when passing through the polarization spectroscope, so that the light beam in the vertical direction rotates the polarized light by using the half wave plate to enable the energy of the polarized light to completely pass through the polarization spectroscope and coincide with another group of light beams, the polarized light is converged into 4 or more than N parallel light beams with high energy, and all the light beams are converged through the focusing lens by using the 45-degree third reflecting mirror to form a high-energy light beam with cutting and carving capabilities.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (3)

1. A high-power laser module vertical light-emitting light path system comprises a focusing mirror (3), a first light beam component (1) and a second light beam component (2) which are arranged in parallel; the method is characterized in that: the side surface of the first light beam component (1) is provided with a first reflecting mirror (4), and the side surface of the second light beam component (2) is provided with a polarization spectroscope (5);
the first light beam component (1) and the second light beam component (2) comprise more than one LD (laser diode) tube (6), a second reflecting mirror (7) is arranged on the side surface of the LD tube (6), and the second reflecting mirror (7) is arranged opposite to the polarization beam splitter (5) or the first reflecting mirror (4);
a diaphragm (8) is added at the LD tube (6) near the first reflecting mirror (4) and the polarization beam splitter (5).
2. The high power laser module vertical light-emitting optical path system according to claim 1, wherein: a collimating lens (9) is arranged between the LD tube (6) and the first reflecting mirror (4); a half-wave plate (10) is arranged between the first light beam component (1) and the polarization spectroscope (5);
the side surface of the polarization spectroscope (5) is provided with a third reflecting mirror (11), and the third reflecting mirror (11) is arranged opposite to the focusing mirror (3).
3. The high-power laser module vertical light-emitting optical path system according to claim 2, wherein: a first light beam (100) is generated on the first light beam component (1), and a second light beam (101) is generated on the second light beam component (2); the first light beam (100) and the second light beam (101) are arranged at 90 degrees with the collimating lens (9);
the second reflecting mirror (7) is provided with a first reflecting surface (50); the first reflecting mirror (4) is provided with a second reflecting surface (51); the polarization spectroscope (5) is provided with a third reflecting surface (52) and a fourth reflecting surface (53); a fifth reflecting surface (54) is arranged on the third reflecting mirror (11);
the first light beam (100) and the second light beam (101) are arranged at 45 degrees with the first reflecting surface (50); the first reflecting surface (50) and the second reflecting surface (51) on the first light beam component (1) are arranged at 90 degrees; the second reflecting surface (51) is arranged in parallel with the fourth reflecting surface (53);
the fourth reflecting surface (53) and the fifth reflecting surface (54) are arranged at 90 degrees; the fifth reflecting surface (54) is arranged at 45 degrees with the focusing mirror (3); the first reflecting surface (50) and the third reflecting surface (52) on the second light beam component (2) are arranged at 45 degrees;
the second reflecting surface (51) and the fourth reflecting surface (53) are arranged at 45 degrees with the half wave plate (10).
CN202321404334.6U 2023-06-02 2023-06-02 High-power laser module vertical light-emitting light path system Active CN220019980U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321404334.6U CN220019980U (en) 2023-06-02 2023-06-02 High-power laser module vertical light-emitting light path system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321404334.6U CN220019980U (en) 2023-06-02 2023-06-02 High-power laser module vertical light-emitting light path system

Publications (1)

Publication Number Publication Date
CN220019980U true CN220019980U (en) 2023-11-14

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CN202321404334.6U Active CN220019980U (en) 2023-06-02 2023-06-02 High-power laser module vertical light-emitting light path system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025002336A1 (en) * 2023-06-30 2025-01-02 深圳市创客工场科技有限公司 Laser module, laser processing apparatus, and laser processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025002336A1 (en) * 2023-06-30 2025-01-02 深圳市创客工场科技有限公司 Laser module, laser processing apparatus, and laser processing device

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