Multi-wavelength space beam combining shaper

Abstract

A multi-wavelength spatial beam-combining shaper relates to the technical field of optical devices and comprises an outer shell, a spectrum beam-combining mirror is mounted in the middle of the interior of the outer shell, a shaft at the bottom of the spectrum beam-combining mirror is rotatably connected with the outer shell through a bearing, and a first light source input port is formed in the front end of the outer shell. A first light source input port is formed in one side of the outer shell, one end of the first light source input port extends into the outer shell, a second light source input port is formed in one side of the outer shell, one end of the second light source input port extends into the outer shell, and a homogenizing output port is formed in the other side of the outer shell. Collimators are installed at the front end of one side of the interior of the outer shell and the rear end of the interior of the outer shell, the collimators and the inner wall of the outer shell are limited in a sliding mode, and the problem that due to the fact that the collimators and the beam combining mechanism cannot conduct fine adjustment on deviation of incident light, divergence occurs after beam combination is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical device technical field, concretely is multi -wavelength space beam combining shaper. BACKGROUND

[0002] Multi -wavelength space beam combining shaper is an advanced laser equipment, it can combine and shape the single, high -quality light beam output of multiple different wavelength laser beams. The device adjusts the optical path using beam splitter, mirror and other optical elements, ensures the accurate beam combining of each wavelength beam in space, and realizes the accurate control of beam shape through shaping technology. This shaper not only improves the efficiency and reliability of the laser, but also expands the application range of laser technology. In the medical field, it can be used for skin plastic surgery and ophthalmic treatment;In scientific research, it supports the generation of high-energy, high-power laser beams for particle acceleration and plasma physics research;In industrial production, it can significantly improve the speed and precision of material processing. With the progress of science and technology, multi -wavelength space beam combining shaper will show its unique value and broad application prospects in more fields.

[0003] For example, the Chinese authorized patent "Multi -wavelength beam combiner" with publication number CN218728385U includes a beam combiner body, a plurality of inclined grooves are arranged inside the beam combiner body, a plurality of aspheric collimating lenses and dichroic mirrors are arranged inside the beam combiner body below and above the inclined grooves, the dichroic mirrors are detachably arranged on the inclined grooves, each aspheric collimating lens and a dichroic mirror are adaptively and one-to-one correspondingly arranged, and an optical fiber connector and a focusing lens are arranged on the beam combiner body. An integral optical path is formed by using injection molding, which greatly reduces the tolerance caused by coupling process and the time required for coupling, improves the stability of the optical path, and realizes the purpose of simultaneously coupling multiple laser beams into an optical fiber under a certain coupling efficiency;By designing the dichroic mirror and the beam combiner body as a separate body, the beam combiner can match more wavelength lasers by replacing the dichroic mirror;At the same time, the vertical spatial arrangement of the coupling optical path is realized, and the volume of the optical machine is reduced.

[0004] Although the above-mentioned prior art can realize beam combining and shaping, the incident light source is prone to deviation, and the collimator and beam combining mechanism cannot fine-tune for such deviation, resulting in divergence of the combined light beam, thus not meeting the existing requirements. Therefore, we propose a multi -wavelength space beam combining shaper. Utility model content

[0005] The utility model aims at providing multi -wavelength space beam combining shaper to solve the problem that the collimator and beam combining mechanism cannot fine-tune for the deviation of the incident light in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: Multi -wavelength space beam combiner shaper, including the outer shell, the middle position of the outer shell inside installs the spectrum beam combiner mirror, and the shaft of spectrum beam combiner mirror bottom is connected with the outer shell through bearing rotation, the front end of outer shell is provided with first light source input, and the one end of first light source input extends to the inside of outer shell, one side of outer shell is provided with second light source input, and the one end of second light source input extends to the inside of outer shell, the other side of outer shell is provided with homogenization output, the front end of one side in the inside of outer shell and the rear end of inside are all installed collimator, and collimator and the inner wall of outer shell slide limit.

[0007] Preferably, the outer shell is provided with a displacement adjusting mechanism corresponding to the position of the collimator, a threaded drive rod is installed in the displacement adjusting mechanism, the threaded drive rod is connected with the outer shell through a bearing, a sliding block is installed on the outer side of the threaded drive rod, the sliding block is threadedly connected with the threaded drive rod, and the upper end of the sliding block is fixedly connected with the collimator.

[0008] Preferably, the light rod at one end of the threaded drive rod extends to the outside of the outer shell, and a first adjusting wheel is fixedly arranged at one end of the light rod of the threaded drive rod.

[0009] Preferably, an angle adjusting mechanism is arranged on the upper end surface of the outer shell, a worm gear is rotatably installed in the angle adjusting mechanism, the shaft at the upper end of the spectrum beam combiner mirror is connected with the worm gear, a worm is installed on one side of the worm gear, both ends of the worm are rotatably connected with the angle adjusting mechanism, and the external thread of the worm is matched with the worm gear.

[0010] Preferably, a rotating shaft is installed at one end of the worm, the rotating shaft is rotatably connected with the angle adjusting mechanism, the rotating shaft extends to the outside of the angle adjusting mechanism, and a second adjusting wheel is fixedly installed at one end of the rotating shaft.

[0011] Preferably, the outer shell is composed of an upper shell and a lower shell, and the upper shell is clamped with the lower shell.

[0012] Preferably, an octagonal hole is arranged in the first adjusting wheel and the second adjusting wheel.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model is provided with two input ports for receiving light beams of different wavelengths from different sources. The direction of the light beam is adjusted after reflection by the collimator, thereby reducing the divergence of the light beam during transmission and improving the beam quality. The light beams that subsequently enter meet and merge at the spectral beam combiner, ensuring that light of different wavelengths is arranged and combined in a specific order and space. Finally, the beams that have been combined and shaped are output through the homogenized output port. The optical system realizes simultaneous collimation output of multiple wavelengths through an aspheric reflector through a dual input port design, collimator reflection adjustment, spectral beam combiner merging, and beam shaping and homogenization output. The two laser beams are perfectly overlapped together through the wavelength beam combiner to achieve brightness superposition and spectral synthesis.

[0015] 2. The utility model is provided with a collimator linear fine-tuning mechanism. When the input light source diverges, the user can use a tool to rotate the first adjustment wheel to drive the threaded transmission rod inside the displacement adjustment mechanism to rotate. Under the friction between its external thread and the screw hole in the sliding block, the rotational motion is converted into linear motion, thereby driving the corresponding collimator to translate through the sliding block, thereby calibrating the incident light source. In actual applications, the input light source may diverge or offset due to various factors (such as temperature changes, mechanical vibrations, light source aging, etc.). By providing a collimator linear fine-tuning mechanism, the system obtains the ability to dynamically calibrate the input light source. When the light source diverges, the user can quickly and accurately adjust the position of the collimator to ensure that the light beam always remains on the expected path.

[0016] 3. The utility model is provided with an angle adjustment mechanism. By rotating the second adjustment wheel, the shaft is driven to rotate, and then the worm is driven to rotate. The contact surface between the worm and the worm wheel forms a spiral friction transmission surface. The rotation of the worm drives the worm wheel to rotate, and then the worm wheel drives the shaft at the upper end of the spectral beam combiner to rotate, thereby achieving fine-tuning of the angle of the spectral beam combiner. The angle adjustment of the spectral beam combiner directly affects the beam combining effect of light of different wavelengths. Through the angle adjustment mechanism, the user can accurately adjust the angle of the spectral beam combiner so that light of different wavelengths can meet and merge in the best way. This can not only improve the efficiency of spectral beam combining, but also reduce the loss of light energy, thereby improving the performance of the entire optical system. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the appearance of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the internal structure of the utility model;

[0019] Figure 3 This is a top view of the internal structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the angle adjustment mechanism of the present invention.

[0021] In the figure: 1. Outer shell; 2. First light source input port; 3. Second light source input port; 4. Homogenizer output port; 5. First adjustment wheel; 6. Angle adjustment mechanism; 7. Second adjustment wheel; 8. Displacement adjustment mechanism; 9. Spectral beam combiner; 10. Threaded transmission rod; 11. Sliding block; 12. Worm gear; 13. Rotating shaft; 14. Worm; 15. Collimator. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figures 1-4 The utility model provides an embodiment: a multi-wavelength spatial beam combiner and shaper, including an outer shell 1, which is composed of an upper shell and a lower shell, and the upper shell is snap-connected to the lower shell, a spectral beam combiner 9 is installed at the middle position inside the outer shell 1, and the axis at the bottom of the spectral beam combiner 9 is rotatably connected to the outer shell 1 through a bearing, a first light source input port 2 is provided at the front end of the outer shell 1, and one end of the first light source input port 2 extends to the interior of the outer shell 1, a second light source input port 3 is provided on one side of the outer shell 1, and one end of the second light source input port 3 extends to the interior of the outer shell 1, a homogenization output port 4 is provided on the other side of the outer shell 1, and a collimator 15 is installed at the front end and the rear end of one side of the inner shell 1, and the collimator 15 is limited by sliding with the inner wall of the outer shell 1.

[0024] When in use, the first light source input port 2 and the second light source input port 3 are used to receive light beams of different wavelengths from different sources. The direction of the light beam is adjusted after reflection by the collimator 15 to reduce the divergence of the light beam during transmission and improve the quality of the light beam. The light beams that enter subsequently meet and merge at the spectral combiner 9 to ensure that light of different wavelengths is arranged and combined in a specific order and space. Finally, the light beam that has been combined and shaped is output through the homogenization output port 4.

[0025] See also Figure 1 、 Figure 2 and Figure 3, a displacement adjustment mechanism 8 is provided at the position of the outer shell 1 corresponding to the collimator 15, a threaded transmission rod 10 is installed inside the displacement adjustment mechanism 8, and the threaded transmission rod 10 is connected to the outer shell 1 through a bearing, a sliding block 11 is installed outside the threaded transmission rod 10, the sliding block 11 is threadedly matched with the threaded transmission rod 10, and the upper end of the sliding block 11 is fixed to the collimator 15, the optical rod at one end of the threaded transmission rod 10 extends to the outside of the outer shell 1, and a first adjustment wheel 5 is fixed at one end of the optical rod of the threaded transmission rod 10. In actual application, the input light source may diverge or deviate due to various factors (such as temperature changes, mechanical vibrations, light source aging, etc.). By providing a collimator linear fine-tuning mechanism, the system obtains the ability to dynamically calibrate the input light source. When the light source diverges, the user can quickly and accurately adjust the position of the collimator to ensure that the light beam always remains on the expected path.

[0026] During use, when the input light source diverges, the user can use a tool to rotate the first adjustment wheel 5, driving the threaded transmission rod 10 inside the displacement adjustment mechanism 8 to rotate. Under the friction between its external thread and the screw hole inside the sliding block 11, the rotational motion is converted into linear motion, thereby driving the corresponding collimator 15 to translate through the sliding block 11, thereby calibrating the incident light source.

[0027] See also Figure 1 and Figure 4 The upper end surface of the outer shell 1 is provided with an angle adjustment mechanism 6. A worm gear 12 is rotatably mounted inside the angle adjustment mechanism 6. The shaft at the upper end of the spectral beam combiner 9 is keyed to the worm gear 12. A worm 14 is mounted on one side of the worm gear 12. Both ends of the worm gear 14 are rotatably connected to the angle adjustment mechanism 6. The external thread of the worm gear 14 is adapted to the worm gear 12. A rotating shaft 13 is mounted on one end of the worm gear 14. The rotating shaft 13 is rotatably connected to the angle adjustment mechanism 6 and extends to the outside of the angle adjustment mechanism 6. A second adjustment wheel 7 is fixedly mounted on one end of the rotating shaft 13. The first adjustment wheel 5 and the second adjustment wheel 7 are both provided with octagonal holes. The angle adjustment mechanism 6 achieves fine adjustment of the angle of the spectral beam combiner 9 through the cooperation of the worm gear 14 and the worm gear 12. The spiral friction transmission surface between the worm gear 14 and the worm gear 12 has a self-locking characteristic and can remain stable after rotation.

[0028] During use, by rotating the second adjustment wheel 7, the rotating shaft 13 is driven to rotate, which in turn drives the worm 14 to rotate. The contact surface between the worm 14 and the worm wheel 12 forms a spiral friction transmission surface. The rotation of the worm 14 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the shaft at the upper end of the spectrum combiner 9 to rotate, thereby achieving fine adjustment of the angle of the spectrum combiner 9. The angle adjustment of the spectrum combiner 9 directly affects the beam combining effect of different wavelengths. Through the angle adjustment mechanism 6, the user can accurately adjust the angle of the spectrum combiner 9 so that light of different wavelengths can meet and combine in an optimal way.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A multi-wavelength spatial beam combiner and shaper, comprising an outer shell (1), characterized in that: A spectral beam combiner (9) is installed at a middle position inside the outer shell (1), and the shaft at the bottom of the spectral beam combiner (9) is rotatably connected to the outer shell (1) through a bearing. A first light source input port (2) is provided at the front end of the outer shell (1), and one end of the first light source input port (2) extends to the interior of the outer shell (1). A second light source input port (3) is provided on one side of the outer shell (1), and one end of the second light source input port (3) extends to the interior of the outer shell (1). A homogenization output port (4) is provided on the other side of the outer shell (1). Collimators (15) are installed at the front end and the rear end of the interior of one side of the outer shell (1), and the collimator (15) is limited by sliding with the inner wall of the outer shell (1).

2. The multi-wavelength spatial beam combiner and shaper according to claim 1, wherein: The outer shell (1) is provided with a displacement adjustment mechanism (8) at a position corresponding to the collimator (15); a threaded transmission rod (10) is installed inside the displacement adjustment mechanism (8); the threaded transmission rod (10) is connected to the outer shell (1) through a bearing; a sliding block (11) is installed outside the threaded transmission rod (10); the sliding block (11) is threadedly matched with the threaded transmission rod (10), and the upper end of the sliding block (11) is fixed to the collimator (15).

3. The multi-wavelength spatial beam combiner and shaper according to claim 2, wherein: A polished rod at one end of the threaded transmission rod (10) extends to the outside of the outer shell (1), and a first adjusting wheel (5) is fixedly provided at one end of the polished rod of the threaded transmission rod (10).

4. The multi-wavelength spatial beam combiner and shaper according to claim 3, wherein: The upper end surface of the outer shell (1) is provided with an angle adjustment mechanism (6), a worm gear (12) is rotatably installed inside the angle adjustment mechanism (6), and the shaft at the upper end of the spectral beam combiner (9) is key-connected to the worm gear (12), a worm (14) is installed on one side of the worm gear (12), both ends of the worm gear (14) are rotatably connected to the angle adjustment mechanism (6), and the external thread of the worm gear (14) is adapted to the worm gear (12).

5. The multi-wavelength spatial beam combiner and shaper according to claim 4, characterized in that: A rotating shaft (13) is mounted on one end of the worm (14), the rotating shaft (13) is rotatably connected to the angle adjustment mechanism (6), and the rotating shaft (13) extends to the outside of the angle adjustment mechanism (6). A second adjusting wheel (7) is fixedly mounted on one end of the rotating shaft (13).

6. The multi-wavelength spatial beam combiner and shaper according to claim 1, wherein: The outer shell (1) consists of an upper shell and a lower shell, and the upper shell is clamped with the lower shell.

7. The multi-wavelength spatial beam combiner and shaper according to claim 5, wherein: The first adjusting wheel (5) and the second adjusting wheel (7) are both provided with octagonal holes inside.

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