Double-path laser simultaneous output device
By designing a dual-channel laser simultaneous output device and combining the optical paths of pulsed lasers and semiconductor lasers, the high cost problem caused by the separate settings of traditional medical lasers is solved, and a laser with diversified functions and high integration is achieved.
Patent Information
- Application Number
- CN202422316766.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-09-23
AI Technical Summary
In traditional medical lasers, semiconductor lasers and pulsed lasers need to be separately arranged and connected to optical fibers separately, resulting in increased treatment costs.
A dual-channel laser simultaneous output device is designed to reduce the energy loss of the pulsed laser assembly through a full mirror and a polarization spectroscope, and the optical paths of the pulsed laser and semiconductor laser are combined and outputted from an optical fiber.
Reduces treatment costs and diversify medical laser functions, enabling pulsed lasers and semiconductor lasers to be used individually or simultaneously, improving device integration.
Smart Images

Figure CN223297199U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical lasers, in particular to a dual-path laser simultaneous output device. Background Art
[0002] When using traditional medical lasers, the semiconductor laser used for cutting and the pulse laser used for irradiation need to be set up separately, and each needs to be connected to the corresponding optical fiber for irradiation, which increases the cost of treatment.
[0003] Therefore, the present invention develops a dual-path laser simultaneous output device to solve the above problem. Utility Model Content
[0004] The utility model proposes a dual-path laser simultaneous output device to solve the problem that the existing semiconductor laser and the pulse laser used for irradiation need to be set separately and each is individually connected to a corresponding optical fiber for irradiation, thereby increasing the treatment cost.
[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:
[0006] A dual-path laser simultaneous output device, comprising:
[0007] A housing, wherein the housing is a sealed structure with a hollow interior;
[0008] A pulse laser assembly, comprising a pulse laser, a total reflection mirror, and a polarization beam splitter, wherein the pulse laser is disposed on the inner lower side of the housing, and the total reflection mirror and the polarization beam splitter are sequentially disposed between one end of the housing and one end of the pulse laser, with the mirror surfaces of the total reflection mirror and the polarization beam splitter both aligned with the laser emission point at one end of the pulse laser;
[0009] a semiconductor laser assembly, the semiconductor laser assembly being disposed on the upper inner side of the housing and comprising a semiconductor laser;
[0010] An optical path combining assembly, comprising a first plane reflector, a second plane reflector, and a focusing lens, wherein the first plane reflector is tilted at 45°, the other end of the pulse laser is coated with a semi-reflective film, the reflecting surface of the first plane reflector faces the other end of the pulse laser, the center of the reflecting surface of the first plane reflector is aligned with the laser emission point at the other end of the pulse laser, the second plane reflector is arranged parallel to and above the first plane reflector, the reflecting surface of the second plane reflector is arranged toward the reflecting surface of the first plane reflector so that the first plane reflector reflects the received light beam to the center of the reflecting surface of the second plane reflector, and the center of the back surface of the second plane reflector is aligned with the laser emission point of the semiconductor laser; the focusing lens is arranged on the inner side of the other end of the housing, and the focusing surface of the focusing lens is aligned with the center of the reflecting surface of the second plane reflector;
[0011] An optical fiber connector is horizontally arranged at the other end of the housing, and an end face of the optical fiber connector is aligned with the light-emitting surface of the focusing lens.
[0012] Specifically, the semiconductor laser is a semiconductor laser that emits 1064nm laser.
[0013] Furthermore, the semiconductor laser assembly further includes a heat sink, and the semiconductor laser is disposed in the heat sink.
[0014] Furthermore, the semiconductor laser component further includes a temperature sensor, and the temperature sensor is disposed in the heat sink.
[0015] Furthermore, the semiconductor laser assembly further includes a water cooling head, which is disposed on an outer surface of the heat sink and is communicated with the interior of the heat sink.
[0016] Furthermore, the semiconductor laser has a built-in indicator laser module, and the indicator laser module is used to emit indicator laser.
[0017] Furthermore, the pulse laser assembly also includes a water cooling assembly, and the water cooling assembly is connected to the pulse laser.
[0018] Preferably, the semi-reflective film is an AR film.
[0019] Preferably, the plane reflector is made of fused quartz material, the reflective surface coating of the plane reflector is HR coating, and the reflective surface coating wavelength of the plane reflector is 1028-1080 nm.
[0020] The beneficial effects of the present invention are:
[0021] The dual-path laser simultaneous output device proposed in the utility model reduces the energy loss of the emission light path of the pulse laser component through a full reflector and a polarization beam splitter, and combines the emission light path of the pulse laser component and the emission light path of the semiconductor laser component through a first plane reflector, a second plane reflector and a focusing lens, and outputs them through a single optical fiber, thereby greatly reducing the cost of treatment and making the functions of the medical laser more diversified. The pulse laser and the semiconductor laser can be used separately or simultaneously, and the device has a high degree of integration. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is the principle diagram of the dual-path laser simultaneous output device of this application.
[0023] In the figure: 1-base plate; 2-lower baffle; 3-upper baffle; 4-pulsed laser; 5-semiconductor laser; 6-heat sink; 7-temperature sensor; 8-water cooling head; 9-total reflective mirror; 10-polarization beam splitter; 11-first plane reflector; 12-second plane reflector; 13-focusing lens; 14-water cooling assembly; 15-fiber connector. DETAILED DESCRIPTION
[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the embodiments of the present invention. It should be understood that the described embodiments are only a portion of the embodiments of the present invention, not all of them. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.
[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.
[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.
[0027] In the description of the present utility model, it should be understood that the terms "upper", "lower", "inside", "outside", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use, or are directions or positional relationships commonly understood by those skilled in the art. These directions or positional relationships are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present utility model.
[0028] Furthermore, the terms “first”, “second”, etc. are merely used for distinguishing descriptions and should not be understood as indicating or implying relative importance.
[0029] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, terms such as "disposed" and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.
[0030] The specific implementation of the present invention is described in detail below with reference to the accompanying drawings.
[0031] like Figure 1 As shown, a dual-path laser simultaneous output device comprises:
[0032] The shell is a sealed structure with a hollow interior, and the shell is a sealed shell composed of a cover, a bottom plate 1, a lower baffle 2 and an upper baffle 3;
[0033] A pulse laser assembly, comprising a pulse laser 4, a total reflection mirror 9, and a polarization beam splitter 10. The pulse laser 4 is disposed on the lower inner side of the housing. The total reflection mirror 9 and the polarization beam splitter 10 are sequentially disposed between one end of the housing and one end of the pulse laser 4. The mirror surfaces of the total reflection mirror 9 and the polarization beam splitter 10 are both aligned with the laser emission point at one end of the pulse laser 4.
[0034] a semiconductor laser assembly, the semiconductor laser assembly being arranged on the upper inner side of the housing, the semiconductor laser assembly comprising a semiconductor laser 5;
[0035] An optical path combining component, comprising a first plane reflector 11, a second plane reflector 12 and a focusing lens 13, wherein the first plane reflector 11 is tilted at 45°, the other end of the pulse laser 4 is coated with a semi-reflective film, the reflecting surface of the first plane reflector 11 faces the other end of the pulse laser 4, the center of the reflecting surface of the first plane reflector 11 is aligned with the laser emission point at the other end of the pulse laser 4, the second plane reflector 12 is arranged parallel to the top of the first plane reflector 11, the reflecting surface of the second plane reflector 12 is arranged toward the reflecting surface of the first plane reflector 11 so that the first plane reflector 11 reflects the received light beam to the center of the reflecting surface of the second plane reflector 12, the back center of the second plane reflector 12 is aligned with the laser emission point of the semiconductor laser 5, and the focusing lens 13 is arranged on the inner side of the other end of the housing, and the focusing surface of the focusing lens 13 is aligned with the center of the reflecting surface of the second plane reflector 12;
[0036] The optical fiber connector 15 is horizontally arranged at the other end of the housing, and the end face of the optical fiber connector 15 is aligned with the light output face of the focusing lens 13 .
[0037] Among them, the semiconductor laser emits invisible light, which is used for cutting treatment and has higher energy, while the pulse laser is used for irradiation treatment. The laser light emitted from one end of the pulse laser 4 is first polarized by the polarization beam splitter 10 to reduce the loss of laser energy, and then reflected by the total reflection mirror 9 to the other end of the pulse laser 4 and the laser light emitted from the other end of the pulse laser 4 is shot on the first plane reflector 11. After being reflected by the first plane reflector 11, the semiconductor laser light path emitted by the semiconductor laser 5 passes through the second plane reflector 12 and merges with the pulse laser light path reflected by the first plane reflector 11 to form a beam of light, which is then focused by the focusing lens 13 and connected to the external optical fiber through the optical fiber connector 15.
[0038] In some embodiments, the semiconductor laser 5 is a semiconductor laser 5 that emits 1064 nm laser light.
[0039] like Figure 1 As shown, in some embodiments, the semiconductor laser assembly further includes a heat sink 6, and the semiconductor laser 5 is disposed in the heat sink 6, thereby dissipating heat from the semiconductor laser assembly.
[0040] like Figure 1 As shown, in some embodiments, the semiconductor laser component further includes a temperature sensor 7, which is disposed in the heat sink 6, thereby monitoring the temperature of the semiconductor laser component.
[0041] like Figure 1As shown, in some embodiments, the semiconductor laser assembly further includes a water cooling head 8, which is disposed on the outer surface of the heat sink 6 and communicates with the interior of the heat sink 6, thereby dissipating heat from the semiconductor laser assembly.
[0042] In some embodiments, the semiconductor laser 5 preferably has a built-in indicator laser module, which is used to emit an indicator laser. The indicator laser is visible light, thereby indicating and positioning the optical path that the semiconductor laser 5 needs to emit.
[0043] like Figure 1 As shown, in some embodiments, the pulse laser assembly further includes a water cooling assembly 14, which is connected to the pulse laser 4, thereby cooling the pulse laser 4.
[0044] In some embodiments, the semi-reflective film is preferably an AR film, thereby allowing laser light to pass through.
[0045] In some embodiments, preferably, the first plane reflector 11 and the second plane reflector 12 are both made of fused quartz material, the reflecting surface coating of the first plane reflector 11 and the second plane reflector 12 is HR coating, and the reflecting surface coating wavelength of the first plane reflector 11 and the second plane reflector 12 is 1028-1080nm.
[0046] The dual-path laser simultaneous output device proposed in the utility model reduces the energy loss of the emission light path of the pulse laser component through a full reflector and a polarization beam splitter, and combines the emission light path of the pulse laser component and the emission light path of the semiconductor laser component through a first plane reflector, a second plane reflector and a focusing lens, and outputs them through a single optical fiber, thereby greatly reducing the cost of treatment and making the functions of the medical laser more diversified. The pulse laser and the semiconductor laser can be used separately or simultaneously, and the device has a high degree of integration.
[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. A dual-path laser simultaneous output device, characterized in that: include: A housing, wherein the housing is a sealed structure with a hollow interior; A pulse laser assembly, the pulse laser assembly comprising a pulse laser (4), a total reflection mirror (9) and a polarization beam splitter (10), the pulse laser (4) being arranged on the lower side of the interior of the housing, the total reflection mirror (9) and the polarization beam splitter (10) being arranged in sequence between one end of the housing and one end of the pulse laser (4), the mirror surfaces of the total reflection mirror (9) and the polarization beam splitter (10) being aligned with the laser emission point at one end of the pulse laser (4); A semiconductor laser component, the semiconductor laser component being arranged on the upper inner side of the housing, the semiconductor laser component comprising a semiconductor laser (5); An optical path combining component, the optical path combining component comprising a first plane reflecting mirror (11), a second plane reflecting mirror (12) and a focusing lens (13), wherein the first plane reflecting mirror (11) is tilted 45 degrees, the other end of the pulse laser (4) is coated with a semi-reflective film, the reflecting surface of the first plane reflecting mirror (11) faces the other end of the pulse laser (4), the center of the reflecting surface of the first plane reflecting mirror (11) is aligned with the laser emission point at the other end of the pulse laser (4), and the second plane reflecting mirror (12) is arranged parallel to the first plane reflecting mirror. The second plane reflector (12) is disposed above the plane reflector (11), the reflective surface of the second plane reflector (12) is disposed toward the reflective surface of the first plane reflector (11), so that the first plane reflector (11) reflects the received light beam to the center of the reflective surface of the second plane reflector (12), the back center of the second plane reflector (12) is aligned with the laser emission point of the semiconductor laser (5), and the focusing lens (13) is disposed on the inner side of the other end of the housing, and the focusing surface of the focusing lens (13) is aligned with the center of the reflective surface of the second plane reflector (12); An optical fiber connector (15) is horizontally arranged at the other end of the housing, and an end face of the optical fiber connector (15) is aligned with a light-emitting surface of the focusing lens (13).
2. The dual-path laser simultaneous output device according to claim 1, characterized in that: The semiconductor laser (5) is a semiconductor laser (5) that emits 1064nm laser light.
3. The dual-path laser simultaneous output device according to claim 1, characterized in that: The semiconductor laser assembly further comprises a heat sink (6), and the semiconductor laser (5) is arranged in the heat sink (6).
4. The dual-path laser simultaneous output device according to claim 3, characterized in that: The semiconductor laser component further comprises a temperature sensor (7), and the temperature sensor (7) is arranged in the heat sink (6).
5. The dual-path laser simultaneous output device according to claim 3, characterized in that: The semiconductor laser assembly further comprises a water cooling head (8), wherein the water cooling head (8) is arranged on the outer surface of the heat sink (6), and the water cooling head (8) is communicated with the interior of the heat sink (6).
6. The dual-path laser simultaneous output device according to claim 1, characterized in that: The semiconductor laser (5) is equipped with a built-in indicator laser module, and the indicator laser module is used to emit indicator laser light.
7. The dual-path laser simultaneous output device according to claim 1, characterized in that: The pulse laser assembly further includes a water cooling assembly (14), and the water cooling assembly (14) is connected to the pulse laser (4).
8. The dual-path laser simultaneous output device according to claim 1, characterized in that: The semi-reflective film is an AR film.
9. The dual-path laser simultaneous output device according to claim 1, characterized in that: The first plane reflector (11) and the second plane reflector (12) are both made of fused quartz material, the reflective surface coatings of the first plane reflector (11) and the second plane reflector (12) are HR coatings, and the reflective surface coating wavelengths of the first plane reflector (11) and the second plane reflector (12) are 1028-1080 nm.