Novel green laser
By employing multiple sets of heat dissipation gaps in the green laser and combining them with modular optical lens groups, the size and heat dissipation problems of traditional TO packaging are solved, achieving miniaturization, convenient installation, and efficient heat dissipation of the laser, thereby reducing production costs.
Patent Information
- Application Number
- CN202422992708.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Traditional TO-packaged lasers have limitations in terms of size and heat dissipation, which affect the stability and lifespan of the light source, and they also have shortcomings in terms of manufacturing and cost.
The design employs a novel green laser, including multiple heat sinks and heat dissipation gaps within the housing. The laser chip is directly connected to the heat sinks, using high thermal conductivity materials and modularly mounting multiple optical lens groups to reduce the package size and improve heat dissipation performance.
This technology enables the miniaturization, convenient installation, and efficient heat dissipation of lasers, while reducing production costs and ensuring stable operation of lasers and accurate beam transmission in high-temperature environments.
Smart Images
Figure CN223462583U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to laser processing technical field, concretely relates to a novel green laser. BACKGROUND
[0002] Traditional TO package, namely coaxial package (Transistor Outline), its English full name is Transistor Outline. This packaging form originates from the coaxial package of early transistors, and is later borrowed into optical communication. It usually refers to the laser chip and the detector chip are packed in a "can", the base diameter and length of this "can" are standardized, and common sizes are TO38, TO46, TO56, etc., representing the base diameter of 3.8mm, 4.6mm, 5.6mm respectively. The optical assembly of traditional TO package basically occupies the mainstream optical device market application because of easy manufacturing and cost advantage. However, with the development of technology and the change of application demand, the traditional TO package gradually reveals limitations in volume and heat dissipation.
[0003] Specifically, the volume of TO package is relatively large, which is undoubtedly a not small challenge for modern electronic products pursuing smaller volume and higher integration. In addition, the traditional TO package form also has certain limitations in the heat conduction contact area, and the heat conduction contact area is usually about 16 square millimeters. In the case of long time high load operation, the limited heat conduction area may cause the light source to generate too much heat, thereby affecting the stability and service life of the light source. UTILITARIAN CONTENT
[0004] In order to solve the technical problems that the traditional TO package gradually reveals limitations in volume and heat dissipation, the utility model provides a novel green laser, which not only reduces the package volume, but also improves the heat dissipation performance, is more convenient to install and produce, and reduces the production cost.
[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] The utility model provides a novel green laser, which comprises a shell body, a plurality of groups of heat sinks are arranged in the shell body, each group of heat sinks comprises a plurality of heat sinks, a heat dissipation gap is arranged between every two adjacent heat sinks, a laser chip is connected to each heat sink, the heat sinks are arranged in the X-axis direction of the shell body, and the laser chips are arranged corresponding to the first optical lens group.
[0007] The utility model provides a novel green laser, which not only reduces the package volume, but also improves the heat dissipation performance, is more convenient to install and produce, and reduces the production cost.
[0008] As a preferred technical solution, the first optical lens group comprises: a first collimating mirror, which is arranged corresponding to the laser chip in the X-axis direction of the shell body.
[0009] As a preferred technical solution, the first optical lens group comprises: a first collimating mirror, which is arranged corresponding to the laser chip in the X-axis direction of the shell body.
[0010] As a preferred technical solution, the shell body is connected with a plurality of baffles to form a plurality of placement grooves, each of which is provided with a group of thermal cores and a group of first optical lens groups, and the shell body is provided with a cover connected with the shell body.
[0011] As a preferred technical solution, the shell body is provided with a plug-in core base, and the second optical lens group is arranged between the plug-in core base and the placement groove, and the second optical lens group comprises: a plurality of second turning mirrors, each of which is arranged corresponding to the first turning mirror in the y-axis direction of the shell body.
[0012] As a preferred technical solution, the second optical lens group comprises: a second collimating mirror, which is arranged between every two second turning mirrors, and the second collimating mirror is arranged corresponding to the second turning mirror in the x-axis direction of the shell body.
[0013] As a preferred technical solution, the shell body is provided with a third optical lens group corresponding to the plug-in core base in the X-axis direction of the shell body.
[0014] As a preferred technical solution, the third optical lens group comprises: a plurality of third turning mirrors, each of which is arranged corresponding to a second turning mirror in the middle region of the second optical lens group in the y-axis direction of the shell body.
[0015] As a preferred technical solution, the first turning mirror, the second turning mirror and the third turning mirror are all arranged at an angle ≥45° in the y-axis direction of the shell body.
[0016] As a preferred technical solution, one end of the plug-in core base is connected with a fourth optical lens group corresponding to the third optical lens group in the X-axis direction of the shell body, and the other end of the plug-in core base is connected with one end of an optical fiber, and the other end of the optical fiber penetrates through the side wall of the shell body and is connected with the shell body through a plug-in core fixing ring.
[0017] The novel green laser provided by the utility model has the following beneficial effects:
[0018] 1) This not only reduces the packaging volume, but also improves the heat dissipation performance, and the installation production is more convenient, while reducing the production cost;
[0019] 2) The shell body is provided with multiple groups of heat sinks, and a heat dissipation gap is arranged between every two adjacent heat sinks, which not only ensures the effective heat dissipation between the heat sinks, but also reduces the overall packaging volume through a compact layout; the laser chip is directly connected to the heat sink, reducing the intermediate transition structure, and further reducing the packaging volume;
[0020] A heat dissipation gap is arranged between every two adjacent heat sinks, and the heat sink is made of high-thermal-conductivity materials such as copper, aluminum and the like, which can quickly conduct the heat generated by the laser chip to the heat dissipation gap; the gap can be used as a heat dissipation channel to allow air to flow through, thereby taking away the heat generated by the heat sink and improving the heat dissipation efficiency;
[0021] The green laser is designed as multiple independent modules, such as a laser chip module, a heat sink module, and an optical lens group module, and the modular installation production is more convenient, while reducing the production cost. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 A front two-side view (the cover is opened) of a novel green laser provided by the present application;
[0023] Figure 2 A front two-side view (the cover is opened) of a novel green laser provided by the present application; Figure 1 An enlarged view of the middle A part (the cover is opened);
[0024] Figure 3 A top view (the cover is opened) of a partial structure of a novel green laser provided by the present application;
[0025] Among them, 1 is a shell body; 2 is a heat sink; 3 is a heat dissipation gap; 4 is a laser chip; 5 is a first optical lens group; 51 is a first collimating mirror; 52 is a first turning mirror; 6 is a baffle; 7 is a cover; 8 is a plug-in core base; 9 is a second optical lens group; 91 is a second turning mirror; 92 is a second collimating mirror; 10 is a third optical lens group; 101 is a third turning mirror; 11 is a fourth optical lens group; 12 is an optical fiber; and 13 is a plug-in core fixing ring. DETAILED DESCRIPTION
[0026] The preferred embodiment of the present application will be described in detail below with reference to the accompanying drawings.
[0027] It should be noted that the terms "first", "second", "third", and "fourth" and the like in the description and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein.
[0028] As shown in Figures 1-3 The utility model provides a novel green laser, include: shell body 1 is equipped with multiple groups of heat 2 in the shell body 1, every group of heat 2 includes multiple heat 2, and is equipped with heat dissipation gap 3 between every two adjacent heat 2, and the laser chip 4 is connected on every heat 2, and the heat 2 is in the X axis direction of shell body 1, and the laser chip 4 is correspondingly arranged with first optical lens group 5.
[0029] The utility model provides a novel green laser, not only reduces the package size, and improves the heat dissipation performance, and the installation production is more convenient, and simultaneously reduces the production cost.
[0030] The application uses the on-chip base package (COS) scheme to replace the coaxial package (TO) scheme, the size of the on-chip base package (COS) is 5.7*4.5*0.5mm, and the heat conduction area is 25.6mm; the volume is reduced and the heat dissipation is increased, and the advantage is obvious;
[0031] The laser chip 4 is used for emitting laser.
[0032] Preferably, the first optical lens group 5 includes: a first collimating mirror 51, which is correspondingly arranged with the laser chip 4 in the X axis direction of the shell body 1; the main function of the first collimating mirror 51 is to collimate the laser beam, and the laser beam emitted by the laser chip 4 often has a certain divergence angle, and the role of the first collimating mirror 51 is to convert the divergent laser beam into parallel light or approximately parallel light, which can ensure the directionality and stability of the laser beam in the transmission process, thereby improving the performance and precision of the laser.
[0033] Preferably, the first optical lens group 5 includes: a first turning mirror 52, which is correspondingly arranged with the first collimating mirror 51 in the X axis direction of the shell body 1; the main function of the first turning mirror 52 is to change the transmission direction of the laser beam, and in the green laser, the laser beam may need to be further adjusted after collimating by the collimating mirror to meet the specific application requirements, and the first turning mirror 52 can guide the laser beam from the original transmission path to the new transmission path through the reflection effect, thereby realizing the flexible adjustment of the direction of the laser beam.
[0034] Preferably, a plurality of baffles 6 are connected in the shell body 1 to form a plurality of placement slots, each of which is provided with a group of thermal inks 2 and a group of first optical lens sets 5, and the shell body 1 is provided with a cover 7 connected with the shell body 1; the baffles 6 separate the shell body 1 into a plurality of independent placement slots, each of which is used to place a group of thermal inks 2 and first optical lens sets 5, which helps to avoid mutual interference between different components and ensures stable operation of the laser; the gaps between the baffles 6 can form heat dissipation channels to allow air to flow through and carry away the heat generated by the thermal inks 2, which helps to improve the heat dissipation performance of the laser and ensures that the thermal inks 2 and first optical lens sets 5 can still work normally in a high-temperature environment; after the cover 7 is connected with the shell body 1, a closed space is formed to protect the internal thermal inks and optical lens sets from being polluted by external dust, moisture and other pollutants; at the same time, the cover 7 can also play a certain buffering role to reduce damage to the internal components of the laser caused by external impact.
[0035] Preferably, the shell body 1 is provided with a plug-in core base 8, and a second optical lens set 9 is arranged between the plug-in core base 8 and the placement slot; the second optical lens set 9 comprises: a plurality of second turning mirrors 91, each of which is arranged corresponding to the first turning mirror 52 in the y-axis direction of the shell body 1; the first turning mirror 52 has preliminarily adjusted the direction of the laser beam in the x-axis direction of the shell body 1, and the second turning mirror 91 further adjusts the direction of the laser beam in the y-axis direction of the shell body 1, so that the laser beam can be transmitted along a predetermined path; this two-dimensional adjustment makes the laser beam more accurately reach the target position, meeting the needs of various complex application scenarios.
[0036] Preferably, the second optical lens set 9 comprises: a second collimating mirror 92 arranged between every two second turning mirrors 91, corresponding to the second turning mirror 91 in the x-axis direction of the shell body 1; the arrangement of the second collimating mirror 92 can further collimate the laser beam to ensure that it remains parallel or approximately parallel during subsequent transmission; this helps to improve the directionality and stability of the laser beam, thereby improving the performance and precision of the laser.
[0037] Preferably, the shell body 1 is provided with a third optical lens set 10 corresponding to the plug-in core base 8 in the x-axis direction of the shell body 1, which further adjusts the laser beam before it enters the plug-in core base 8 to ensure that it can be accurately focused on the target position.
[0038] Preferably, the third optical lens group 10 comprises: a plurality of third turning mirrors 101, each of the third turning mirrors 101 is arranged corresponding to one of the second turning mirrors 91 in the middle region of the second optical lens group 9 in the y-axis direction of the shell body 1, since the third turning mirror 101 can further adjust the direction and path of the laser beam, it can also ensure that the laser beam can be accurately coupled to the optical fiber 12 or other optical transmission medium in the ferrule seat 8, realizing efficient optical signal transmission.
[0039] Preferably, the first turning mirror 52, the second turning mirror 91 and the third turning mirror 101 are all arranged at an angle ≥45° in the y-axis direction of the shell body 1; the third turning mirror 101 inclined at an angle ≥45° can significantly change the propagation direction of the laser beam in the y-axis direction of the shell body 1; such large-angle inclination enables the laser beam to be effectively guided from one direction to another, thereby realizing flexible transmission of the laser beam inside the laser.
[0040] Preferably, one end of the ferrule seat 8 is connected with a fourth optical lens group 11, the fourth optical lens group 11 is arranged corresponding to the third optical lens group 10 in the X-axis direction of the shell body 1, the other end of the ferrule seat 8 is connected with one end of the optical fiber 12, the other end of the optical fiber 12 penetrates through the side wall of the shell body 1 and is connected with the shell body 1 through the ferrule fixing ring 13; through the cooperation of the fourth optical lens group 11, the ferrule seat 8, the optical fiber 12 and the ferrule fixing ring 13, the green laser can realize efficient optical signal transmission, which helps to ensure the stability and accuracy of the laser beam during transmission.
[0041] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all the embodiments falling within the scope of the claims of the present application are within the scope of protection of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all the embodiments falling within the scope of the claims of the present application are within the scope of protection of the utility model.
Claims
1. A novel green laser, characterized in that, Comprising: The shell body is provided with a plurality of groups of heat sinks, each group of heat sinks comprising a plurality of heat sinks, a heat dissipation gap being provided between each two adjacent heat sinks, a laser chip being connected to each of the heat sinks, the heat sinks being arranged in the X-axis direction of the shell body, and the laser chips being arranged corresponding to a first optical lens group.
2. The novel green laser according to claim 1, characterized in that, The first optical lens group comprises a first collimating mirror, the first collimating mirror being arranged corresponding to the laser chips in the X-axis direction of the shell body.
3. The novel green laser according to claim 2, characterized in that, The first optical lens group comprises a first turning mirror, the first turning mirror being arranged corresponding to the first collimating mirror in the X-axis direction of the shell body.
4. The novel green laser according to claim 3, characterized in that, A plurality of baffles are connected in the shell body to form a plurality of placement slots, each of the placement slots is provided with a group of heat sinks and a group of first optical lens groups, a cover is provided on the shell body, and the cover is connected to the shell body.
5. The novel green laser according to claim 4, characterized in that, A plug-in core base is provided in the shell body, a second optical lens group is provided between the plug-in core base and the placement slots, the second optical lens group comprises a plurality of second turning mirrors, each of the second turning mirrors being arranged corresponding to the first turning mirror in the y-axis direction of the shell body.
6. The novel green laser according to claim 5, characterized in that, The second optical lens group comprises a second collimating mirror, the second collimating mirror being arranged between each two second turning mirrors, the second collimating mirror being arranged corresponding to the second turning mirror in the x-axis direction of the shell body.
7. The novel green laser according to claim 6, characterized in that, A third optical lens group is provided in the shell body, the third optical lens group being arranged corresponding to the plug-in core base in the X-axis direction of the shell body.
8. The novel green laser according to claim 7, characterized in that, The third optical lens group comprises a plurality of third turning mirrors, each of the third turning mirrors being arranged corresponding to a second turning mirror in the intermediate region of the second optical lens group in the y-axis direction of the shell body.
9. The novel green laser according to claim 8, characterized in that, The first turning mirror, the second turning mirror and the third turning mirror are all arranged at an angle ≥45° in the y-axis direction of the shell body.
10. The novel green laser according to claim 9, characterized in that, One end of the plug-in core base is connected to a fourth optical lens group, the fourth optical lens group being arranged corresponding to the third optical lens group in the X-axis direction of the shell body, the other end of the plug-in core base is connected to one end of an optical fiber, the other end of the optical fiber passes through the side wall of the shell body and is connected to the shell body through a plug-in core fixing ring.