Laser crystal structure with heat dissipation function

Abstract

The utility model discloses a laser crystal structure with a heat dissipation function, which comprises a crystal structure, the crystal structure is used as a gain medium for laser work, the crystal structure is a butterfly-shaped polygonal structure body, a groove body is arranged between every two adjacent edges of the crystal structure of the polygonal structure body, and the groove body is provided with a heat dissipation function. A plurality of groups of groove bodies are arranged on the disc crystal, strip-shaped diamond heat sink structures are respectively arranged in the groove bodies, and the groove bodies and the strip-shaped diamond heat sink structures are used for the heat dissipation function of the crystal structure. The heat dissipation capacity of the disc crystal structure is improved through the heat dissipation performance of diamond, meanwhile, the disc crystal structure is designed into a polyhedron, the side face of the polyhedron serves as a pump light incident face and is of a trapezoidal structure with the 45-degree included angle so as to improve absorption of pump light, and meanwhile the groove bodies are formed in the joints of the adjacent faces of the polyhedron. Therefore, the influence of the groove body on the pump light is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lasers, in particular to a laser crystal structure with a heat dissipation function. Background Art

[0002] Disk laser is a diode-pumped solid-state laser. The gain medium in the thin disk is a crystal, also known as a disk laser. The essential difference between it and the traditional solid-state laser is the shape of the laser working material. The rod-shaped crystal of the traditional solid-state laser is changed to a disk crystal, thereby improving the disk solid-state laser model with a diameter-to-thickness ratio. The waste heat flow in the crystal is only transmitted along the Z-axis, which greatly solves the heat dissipation problem of the traditional rod-shaped solid-state laser. This innovative concept has pushed the solid-state laser into a new era. Disk lasers have a wide range of applications with their excellent beam quality and conversion efficiency, and have huge market potential. The introduction of the disk laser design concept effectively solves the thermal effect problem of solid-state lasers and achieves the perfect combination of high average power, high peak power, high efficiency, and high beam quality of solid-state lasers.

[0003] In view of this, the utility model is based on the disc crystal structure design, and at the same time, a plurality of groups of slots with strip diamond heat sink structures are opened on the disc crystal, and the heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disc crystal structure. At the same time, a polyhedron design is adopted for the disc crystal structure, and the side of the polyhedron is used as the pump light incident surface. A trapezoidal structure with an angle of 45° is adopted to improve the absorption of the pump light. At the same time, the slot is opened at the intersection of adjacent surfaces of the polyhedron to reduce the influence of the slot on the pump light.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model proposes a laser crystal structure with a heat dissipation function, which adopts a disk crystal structure design, and at the same time, a plurality of groups of slots with strip diamond heat sink structures installed are opened on the disk crystal, and the excellent heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disk crystal structure. At the same time, the utility model adopts a polyhedron design for the disk crystal structure, and the side of the polyhedron adopts a trapezoidal structure with an angle of 45° as the incident surface of the pump light. At the same time, the slot for installing the strip diamond heat sink structure is opened at the intersection of adjacent surfaces of the polyhedron, which reduces the influence of the slot on the pump light and improves the absorption of the pump light by the disk crystal structure.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A laser crystal structure with heat dissipation function, including a disk crystal structure,

[0008] In the technical solution of the utility model, the disk crystal structure is a gain medium for laser operation, and the disk crystal structure is a butterfly-shaped polygonal structure. A groove is provided between each two adjacent sides of the disk crystal structure in the polygonal structure. The groove is provided at the intersection of adjacent faces of the polyhedron to reduce the influence of the groove on the pump light. The interior of the groove is provided with a strip diamond heat sink structure. The groove and the strip diamond heat sink structure are used for the heat dissipation function of the disk crystal structure, and the excellent heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disk crystal structure.

[0009] The technical solution of the utility model also includes a pump light component and an output coupler, wherein the pump light component provides pump light for the disk crystal structure, and the output coupler is used to output laser.

[0010] Furthermore, each side surface of the disk crystal structure is an incident surface for the pump light, has a trapezoidal structure and forms an angle of 45° with the end surface, so as to enhance the absorption of the pump light by the disk crystal structure.

[0011] The technical solution of the utility model further comprises an annular diamond heat conducting structure, and one end of the strip-shaped diamond heat sink structure is respectively connected to the annular diamond heat conducting structure.

[0012] The technical solution of the utility model further comprises a heat dissipation component, which is installed inside the annular diamond heat-conducting structure and is used for heat dissipation of the annular diamond heat-conducting structure.

[0013] Effective gain: In summary, the utility model proposes a laser crystal structure with heat dissipation function, which is designed based on a disk crystal structure. At the same time, a plurality of groups of slots with strip diamond heat sink structures installed are opened on the disk crystal, and the excellent heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disk crystal structure. At the same time, the utility model adopts a polyhedron design for the disk crystal structure. The side of the polyhedron uses a trapezoidal structure with an angle of 45° as the incident surface of the pump light to enhance the absorption of the pump light by the disk crystal structure. At the same time, the slot for installing the strip diamond heat sink structure is opened at the intersection of adjacent surfaces of the polyhedron to reduce the influence of the slot on the pump light. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a laser crystal structure with heat dissipation function in the utility model. Figure 1 ;

[0015] Figure 2This is a partial structural enlargement of a laser crystal structure with heat dissipation function in the utility model. Figure 1 ;

[0016] Figure 3 This is a partial structure enlargement of a laser crystal structure with heat dissipation function in the utility model Figure 2 ;

[0017] Figure 4 This is a partial structure enlargement of a laser crystal structure with heat dissipation function in the utility model Figure 3 ;

[0018] Figure 5 This is a schematic diagram of the structure of a laser crystal structure with heat dissipation function in the utility model. Figure 2 ;

[0019] Figure 6 This is a partial structure enlargement of a laser crystal structure with heat dissipation function in the utility model Figure 4 ;

[0020] Figure 7 This is a schematic diagram of the structure of a laser crystal structure with heat dissipation function in the utility model. Figure 3 ;

[0021] In the figure: 100, disk crystal structure; 110, slot body; 200, strip diamond heat sink structure; 300, pump light component; 400, output coupler; 500, ring diamond heat conduction structure; 600, heat dissipation component. DETAILED DESCRIPTION

[0022] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0024] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In addition, in the description of the present utility model, “several” means two or more than two, unless otherwise clearly and specifically defined.

[0026] In order to solve the problems raised in the above-mentioned background technology, the embodiment of the utility model proposes a laser crystal structure with a heat dissipation function. In the technical scheme of this embodiment, based on the disc crystal structure design, a plurality of groups of slots with strip diamond heat sink structures installed are opened on the disc crystal, and the excellent heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disc crystal structure. At the same time, the embodiment of the utility model adopts a polyhedron design for the disc crystal structure. The side of the polyhedron uses a trapezoidal structure with an angle of 45° as the incident surface of the pump light to improve the absorption of the pump light by the disc crystal structure. At the same time, the slot for installing the strip diamond heat sink structure is opened at the intersection of adjacent surfaces of the polyhedron to reduce the influence of the slot on the pump light.

[0027] like Figure 1 As shown, in this embodiment, a laser crystal structure with heat dissipation function includes a disk crystal structure 100,

[0028] In this embodiment, the disk crystal structure 100 is used as a gain medium for laser operation. The disk crystal structure 100 is a butterfly-shaped polygonal structure, such as Figure 2 As shown, a groove 110 is provided between each two adjacent sides of the disk crystal structure 100 of the polygonal structure. The groove 110 is provided at the intersection of adjacent faces of the polyhedron to reduce the influence of the groove 110 on the pump light. Figure 6 As shown, a strip diamond heat sink structure 200 is provided inside the slot body 110. The slot body 110 and the strip diamond heat sink structure 200 are used for the heat dissipation function of the disc crystal structure 100, and the excellent heat dissipation performance of diamond is used to improve the heat dissipation capacity of the disc crystal structure 100.

[0029] In this embodiment, a pump light component 300 and an output coupler 400 are also included. The pump light component 300 provides pump light for the disk crystal structure 100 , and the output coupler 400 is used to output laser light.

[0030] Specifically, each side surface of the disk crystal structure 100 is an incident surface for the pump light. Figure 3 As shown, it is a trapezoidal structure and forms an angle of 45° with the end surface to enhance the absorption of pump light by the disk crystal structure 100 .

[0031] In this embodiment, if Figure 5 As shown, an annular diamond heat conducting structure 500 is also included, and one end of the strip-shaped diamond heat sink structure 200 is respectively connected to the annular diamond heat conducting structure 500 .

[0032] In this embodiment, if Figure 7 As shown, a heat dissipation component 600 is also included. The heat dissipation component 600 is installed inside the annular diamond heat conductive structure 500 , and the heat dissipation component 600 dissipates heat for the annular diamond heat conductive structure 500 .

[0033] Specific working principle: When the embodiment is working, the pump light assembly 300 provides pump light to each incident surface of the disk crystal structure 100 presenting a polyhedral structure (such as Figure 4 As shown in the figure, the incident surface is a trapezoidal structure and forms an angle of 45° with the end surface to enhance the absorption of pump light; at the same time, a plurality of groups of strip diamond heat sink structures 200 are respectively located inside the slot body 110 at the intersection of adjacent faces of the polyhedron of the disc crystal structure 100, and the waste heat in the disc crystal structure 100 transmitted along the Z-axis is respectively guided to the annular diamond heat conductive structure 500 through the strip diamond heat sink structure 200, and the heat dissipation component 600 then dissipates the heat from the annular diamond heat conductive structure 500.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A laser crystal structure with heat dissipation function, characterized in that: including a disc crystal structure (100), The disk crystal structure (100) is used as a gain medium for laser operation. The disk crystal structure (100) is a butterfly-shaped polygonal structure. A groove body (110) is provided between each two adjacent sides of the disk crystal structure (100) in the polygonal structure. A strip-shaped diamond heat sink structure (200) is provided inside the groove body (110). The groove body (110) and the strip-shaped diamond heat sink structure (200) are used for the heat dissipation function of the disk crystal structure (100).

2. The laser crystal structure with heat dissipation function according to claim 1, characterized in that: It also includes a pump light component (300) and an output coupler (400), wherein the pump light component (300) provides pump light for the disk crystal structure (100), and the output coupler (400) is used to output laser light.

3. The laser crystal structure with heat dissipation function according to claim 1, characterized in that: Each side surface of the disk crystal structure (100) is an incident surface for pump light, presents a trapezoidal structure and forms an angle of 45° with the end surface.

4. The laser crystal structure with heat dissipation function according to claim 1, characterized in that: It also comprises an annular diamond heat conducting structure (500), and one end of each of the strip-shaped diamond heat sink structures (200) is connected to the annular diamond heat conducting structure (500).

5. The laser crystal structure with heat dissipation function according to claim 4, characterized in that: It also includes a heat dissipation component (600), which is installed inside the annular diamond heat conducting structure (500).

Images