Laser performance test system

Abstract

The present application provides a laser performance test system, which relates to the field of testing technology, and includes a temperature control device, an optical path transmission device and a light spot receiving device. The temperature control device includes a carrier, a heating mechanism, a focusing mirror and an energy meter. The carrier is used to position the laser body to be tested, and the carrier and the light spot receiving device are both installed on the optical path transmission device. The heating mechanism, the focusing mirror and the energy meter are all installed on the carrier, and the heating mechanism is used to adjust the temperature of the laser body to be tested; the focusing mirror and the energy meter are used selectively so that one of the two is located on the light beam propagation path of the laser body to be tested. The optical path transmission device is used to adjust the light beam emitted by the laser body to be tested and passing through the focusing mirror so that the light beam is focused on the light spot receiving device. The design of this system can test the changes in the energy and beam divergence angle of the laser at different temperatures, and improve the laser according to the test results, thereby improving the reliability and stability of the laser operation.

Description

Technical Field

[0001] The present invention relates to the field of testing technology, and in particular to a laser performance testing system. Background Art

[0002] As lasers gradually come into the public eye, their miniaturization and environmental adaptability have become key issues that need to be addressed. Today, lasers need to operate normally under more stringent environmental conditions, such as maintaining a stable working state within a temperature range of -20°C-85°C. Lasers are usually assembled from multiple different components, including pump sources, gain media, and various lenses. In the assembly process, whether it is fixed with glues with different properties or fastened with screws, it is difficult to avoid the problem of glue or material deformation caused by temperature changes. This deformation will cause displacement deviations in the coordination between the components, and in severe cases, the laser will not work properly or even fail. However, the prior art has not designed tests for lasers under different temperature environments, resulting in reduced reliability of laser operation. Summary of the invention

[0003] The purpose of the present invention includes, for example, providing a laser performance testing system that can test the energy and beam divergence changes of the laser at different temperatures, and improve the laser according to the test results, thereby improving the reliability and stability of the laser operation.

[0004] The embodiments of the present invention can be implemented as follows:

[0005] In a first aspect, the present invention provides a laser performance test system, comprising a temperature control device, an optical path transmission device and a light spot receiving device; wherein:

[0006] The temperature control device comprises a carrier, a heating mechanism, a focusing mirror and an energy meter; the carrier is used to locate the laser body to be tested, and the carrier and the light spot receiving device are both installed on the optical path transmission device; the heating mechanism, the focusing mirror and the energy meter are all installed on the carrier, and the heating mechanism is used to adjust the temperature of the laser body to be tested; the focusing mirror and the energy meter are used selectively so that one of them is located on the light beam propagation path of the laser body to be tested;

[0007] The optical path transmission device is used to adjust the light beam emitted by the laser body to be tested and passing through the focusing mirror, so that the light beam is focused on the light spot receiving device.

[0008] In an optional embodiment, the carrier includes a fixed seat and a thermal insulation cover, the fixed seat is installed on the optical path transmission device, and the fixed seat is used to position the laser body to be tested; the thermal insulation cover is installed on the fixed seat, and the thermal insulation cover and the fixed seat cooperate to define a thermal insulation cavity for accommodating the laser body to be tested; the heating mechanism, the focusing mirror and the energy meter are all installed on the fixed seat.

[0009] In an optional embodiment, the temperature control device also includes a driver, which is installed on the fixed seat, and the focusing mirror and the energy meter are both installed on the driver, and the driver is used to drive the focusing mirror and the energy meter to move relative to the laser body to be tested, so that one of the focusing mirror and the energy meter can cooperate with the laser body to be tested.

[0010] In an optional embodiment, an accommodating groove is provided on the fixing seat; the driver includes a linear telescopic mechanism and a mounting platform, the linear telescopic mechanism is installed in the accommodating groove, the mounting platform is connected to the telescopic end of the linear telescopic mechanism, and the focusing mirror and the energy meter are both installed on the mounting platform; the linear telescopic mechanism is used to drive the mounting platform to reciprocate linearly in the groove depth direction of the accommodating groove.

[0011] In an optional embodiment, the temperature control device also includes a first temperature sensor and a second temperature sensor, both of which are communicatively connected to the heating mechanism, and the first temperature sensor and the second temperature sensor are both installed on the carrier; the first temperature sensor is used to obtain the ambient temperature of the insulation chamber; the second temperature sensor is used to obtain the temperature of the area between the laser body to be tested and the heating mechanism.

[0012] In an optional embodiment, the first temperature sensor is installed on the heat preservation cover; the fixing seat is provided with a positioning plane for contacting the laser body to be tested, the positioning plane is provided with a mounting groove, and the second temperature sensor is located in the mounting groove.

[0013] In an optional embodiment, the heat insulation cover is provided with a light-through hole, which passes through the relatively inner side surface and outer side surface of the heat insulation cover, and one end of the light-through hole located on the inner side surface is connected to the heat insulation cavity and is used to dock with the light beam outlet of the laser body to be tested; the inner side surface is used to fit with the outer surface of the laser body to be tested.

[0014] In an optional embodiment, the fixing seat is slidably connected to the optical path transmission device to adjust the incident position of the light beam of the laser body to be tested relative to the optical path transmission device.

[0015] In an optional embodiment, the optical path transmission device includes a housing and a reflector group, the reflector group is detachably mounted on the housing, and the reflector group is used to adjust the propagation path of the light beam of the laser body to be tested so that the light beam is focused on the light spot receiving device;

[0016] The fixing seat is slidably connected to the shell.

[0017] In an optional embodiment, the reflector group includes a movable reflector body and a plurality of fixed reflector bodies; the plurality of fixed reflector bodies are all mounted on the housing and are used to adjust the propagation path of the light beam; the movable reflector body can be slidably mounted on the housing to adjust the propagation path of the light beam reflected from the fixed reflector body; the light spot receiving device is mounted on the movable reflector body to receive the light beam reflected by the movable reflector body.

[0018] The beneficial effects of the embodiments of the present invention include, for example:

[0019] In summary, the laser performance test system provided in this embodiment can test the performance of the laser body to be tested through the cooperation of the temperature control device, the optical path transmission device and the light spot receiving device. During the test, the working state of the heating mechanism of the temperature control device can be adjusted as needed, thereby adjusting the temperature environment of the laser body to be tested, and obtaining the changes in the energy and beam divergence angle of the laser body to be tested under different temperature environments. According to the obtained test result information, the improvement of the laser body is guided, thereby obtaining a laser with stable performance and strong environmental adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 A schematic diagram of a laser performance testing system from one perspective according to an embodiment of the present application;

[0022] Figure 2 A schematic diagram of a laser performance testing system from another perspective of an embodiment of the present application;

[0023] Figure 3 A cross-sectional schematic diagram of a laser performance testing system according to an embodiment of the present application;

[0024] Figure 4A schematic diagram of a temperature control device according to an embodiment of the present application;

[0025] Figure 5 is a cross-sectional schematic diagram of a temperature control device according to an embodiment of the present application;

[0026] Figure 6 This is a schematic diagram of an exploded view of a temperature control device according to an embodiment of the present application.

[0027] icon:

[0028] 001-laser body to be tested; 100-temperature control device; 110-carrier; 111-fixing seat; 1111-folding edge; 1112-first fixing hole; 1113-installation groove; 1114-accommodation groove; 112-insulation cover; 1121-light hole; 1122-threading hole; 113-heat dissipation fin; 114-insulation cavity; 120-heating mechanism; 130-focusing lens; 140-energy meter; 150-driver; 151-linear telescopic mechanism; 152-installation Table; 160-first temperature sensor; 170-second temperature sensor; 200-optical path transmission device; 210-housing; 211-second fixing hole; 212-clamping hole; 220-first reflecting unit; 221-first mounting box; 222-first fixed reflector body; 230-second reflecting unit; 231-second mounting box; 232-second fixed reflector body; 240-movable reflector body; 250-adjusting plate; 260-guide rail; 300-light spot receiving device. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] 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 invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] 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, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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.

[0033] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0034] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0035] At present, the operating environment of lasers is complex and changeable, especially the change of temperature environment has a significant impact on the operating performance of lasers. In the prior art, the performance of lasers in different temperature environments is not tested, resulting in poor performance of lasers in adapting to temperature environments and poor operating reliability.

[0036] In view of this, the designer provides a laser performance test system, which can test the changes in the energy and beam divergence angle of the laser at different temperatures, and improve the laser according to the test results, thereby improving the reliability and stability of the laser operation.

[0037] Please combine Figure 1-Figure 6 In this embodiment, the laser performance test system includes a temperature control device 100, an optical path transmission device 200 and a light spot receiving device 300. The temperature control device 100 includes a carrier 110, a heating mechanism 120, a focusing mirror 130 and an energy meter 140. The carrier 110 is used to locate the laser body 001 to be tested, and the carrier 110 and the light spot receiving device 300 are both installed on the optical path transmission device 200. The heating mechanism 120, the focusing mirror 130 and the energy meter 140 are all installed on the carrier 110, and the heating mechanism 120 is used to adjust the temperature of the laser body 001 to be tested; the focusing mirror 130 and the energy meter 140 are used selectively so that one of the two is located on the light beam propagation path of the laser body 001 to be tested. The optical path transmission device 200 is used to adjust the light beam emitted by the laser body 001 to be tested and passing through the focusing mirror 130 so that the light beam is focused on the light spot receiving device 300.

[0038] As described above, the laser performance test system provided in this embodiment works as follows:

[0039] When energy testing is required, the position of the energy meter 140 is adjusted so that it is located on the beam propagation path of the laser body 001 to be tested. Then the laser body 001 to be tested located on the carrier 110 is started so that the beam it emits is directed to the energy meter 140, and the energy information of the laser body 001 to be tested is obtained in real time through the energy meter 140. During the test, the temperature of the laser body 001 to be tested can be adjusted by adjusting the working state of the heating mechanism 120, so that the energy change of the laser body 001 to be tested under different temperature environments can be obtained.

[0040] When a beam divergence test is required, the position of the focusing mirror 130 is adjusted so that it is located on the beam propagation path of the laser body 001 to be tested. Then the laser body 001 to be tested located on the carrier 110 is started so that the light beam it emits is directed to the focusing mirror 130, and the propagation direction is adjusted through the optical path transmission device 200 so that the light beam is finally directed to the light spot receiving device 300, and the light spot receiving device 300 is used to obtain relevant information about the beam divergence of the laser body 001 to be tested in real time. Similarly, during the test process, the temperature of the laser body 001 to be tested can be adjusted by adjusting the working state of the heating mechanism 120, so that the change of the beam divergence of the laser body 001 to be tested under different temperature environments can be obtained.

[0041] In this way, through the cooperation of the temperature control device 100, the optical path transmission device 200 and the light spot receiving device 300, the performance of the laser body 001 to be tested can be tested. During the test, the working state of the heating mechanism 120 of the temperature control device 100 can be adjusted as needed, so as to adjust the temperature environment of the laser body 001 to be tested, and obtain the changes in energy and beam divergence angle of the laser body 001 to be tested under different temperature environments. According to the obtained test result information, the improvement of the laser body is guided, so as to obtain a laser with stable performance and strong environmental adaptability, thereby greatly expanding the use area of ​​the laser.

[0042] The following embodiments illustrate the details of the laser performance testing system of the application by way of examples.

[0043] Please combine Figure 1 In this embodiment, optionally, the laser performance testing system includes a temperature control device 100 , an optical path transmission device 200 and a light spot receiving device 300 .

[0044] Please combine Figure 1 , Figure 4-Figure 6, wherein the temperature control device 100 includes a carrier 110, a heating mechanism 120, a focusing mirror 130, an energy meter 140, a driver 150, a first temperature sensor 160 and a second temperature sensor 170. The carrier 110 is used to locate the laser body 001 to be tested. The heating mechanism 120, the focusing mirror 130, the energy meter 140, the driver 150, the first temperature sensor 160 and the second temperature sensor 170 are all installed on the carrier 110. The heating mechanism 120 is used to adjust the temperature of the laser body 001 to be tested. The driver 150 is connected to the focusing mirror 130 and the energy meter 140 at the same time, and adjusts the positions of the focusing mirror 130 and the energy meter 140 relative to the laser body 001 to be tested, so that the focusing mirror 130 and the energy meter 140 are used one by one, so that one of the two is located on the beam propagation path of the laser body 001 to be tested. The first temperature sensor 160 and the second temperature sensor 170 are both connected to the heating mechanism 120 for communication. The first temperature sensor 160 is used to obtain the temperature of the laser body 001 to be tested, and the second temperature sensor 170 is used to obtain the temperature of the area between the laser body 001 to be tested and the heating mechanism 120. The working state of the heating mechanism 120 can be better controlled by the cooperation of the first temperature sensor 160 and the second temperature sensor 170.

[0045] Optionally, the carrier 110 includes a fixing seat 111, a heat preservation cover 112 and heat dissipation fins 113. The heat preservation cover 112 is connected to the fixing seat 111, and the two cooperate to define a heat preservation chamber 114. The laser body 001 to be tested is located in the heat preservation chamber 114. The heat in the heat preservation chamber 114 is not easy to dissipate, and the temperature in the heat preservation chamber 114 is basically the same, ensuring that each position of the laser body 001 to be tested is basically at the same temperature state, thereby improving the accuracy of the test results. The heat dissipation fins 113 are installed on the fixing seat 111, and can dissipate heat for the heating mechanism 120 to prevent the temperature of the heating mechanism 120 from being too high, which affects the service life of the heating mechanism 120.

[0046] Specifically, the fixing seat 111 is roughly a rectangular block, and the fixing seat 111 has a first side surface and a second side surface relative to each other, a third side surface and a fourth side surface relative to each other, and a top surface and a bottom surface relative to each other. The first side surface is provided with an outward-turned folding edge 1111 on both sides corresponding to the third side surface and the fourth side surface, and a plurality of first fixing holes 1112 are provided on the folding edge 1111, and the plurality of first fixing holes 1112 are arranged in sequence in the direction of the top surface and the bottom surface. A card slot is provided on the second side surface, and the heating mechanism 120 is card-connected in the card slot. The heating mechanism 120 can be inserted into or pulled out of the card slot for easy disassembly and assembly. Part of the top surface is provided as a positioning plane, and the positioning plane is used to fix the laser body 001 to be tested. An installation groove 1113 is provided in the area surrounded by the edge of the positioning plane, and the installation groove 1113 can be a rectangular groove, and a second temperature sensor 170 is installed in the installation groove 1113. When the laser body 001 to be tested is installed on the positioning plane by means of bolts and other fasteners, the laser body 001 to be tested closes the notch of the installation groove 1113, so that the second temperature sensor 170 body does not directly obtain the temperature in the heat preservation chamber 114, but obtains the temperature between the laser body 001 to be tested and the heating mechanism 120. At the same time, an accommodating groove 1114 is also provided outside the area located on the positioning plane on the top surface, and the accommodating groove 1114 can be grooved, and the driver 150 is installed in the accommodating groove 1114, so as to reasonably utilize the internal space of the fixing seat 111, improve the compactness of the overall structure, and reduce the overall volume.

[0047] During assembly, the first side is attached to the optical transmission device 200, and fasteners such as bolts can be inserted into the first fixing hole 1112, and the fixing seat 111 is fixed to the optical transmission device 200 by bolts. The second side is away from the optical transmission device 200, and the heating mechanism 120 is inserted into the card slot from the second side for easy installation. The number of heat dissipation fins 113 can be two, and the two heat dissipation fins 113 are respectively installed on the third side and the fourth side, which can effectively reduce the heat of the heating mechanism 120 itself and prevent the heating mechanism 120 from being overheated and affecting its service life.

[0048] Please combine Figure 4-Figure 6Optionally, the heat preservation cover 112 is configured as a rectangular shell with one side open, and the heat preservation cover 112 has opposite inner and outer sides. The heat preservation cover 112 is provided with a light hole 1121 and a threading hole 1122. The light hole 1121 is used for the light beam to pass through, and the threading hole 1122 is used for the wire bundle on the laser body 001 to be tested to pass through. The wire bundle and the threading hole 1122 are interference fit, and the threading hole 1122 has a good sealing effect. Specifically, the light hole 1121 runs through the inner side and the outer side, that is, one end of the light hole 1121 is located on the inner side, and the other end is located on the outer side. The light hole 1121 can be a circular hole. The open side of the heat preservation cover 112 is connected to the top surface of the fixing seat 111, and the top surface closes the open end of the heat preservation cover 112, and the two cooperate to define the heat preservation cavity 114. The laser body 001 to be tested is installed in the heat preservation cavity 114. The first temperature sensor 160 is installed inside the heat preservation cover 112, and the first temperature sensor 160 can obtain the temperature in the heat preservation chamber 114, thereby obtaining the temperature of the laser body 001 to be tested. In addition, after the laser body 001 to be tested is installed in the heat preservation chamber 114, the front side surface of the laser body 001 to be tested with the light beam emitting end can be attached to the inner side surface, and the light beam can pass through the light hole 1121, so that the heat preservation chamber 114 is not easy to communicate with the external environment at the light hole 1121, and the heat preservation chamber 114 has high airtightness, which is convenient for adjusting the temperature of the heat preservation chamber 114, and can ensure that the temperature uniformity of the heat preservation chamber 114 is high, so that the temperature of the laser body 001 to be tested is more uniform.

[0049] Due to the coordinated design of the first temperature sensor 160 and the second temperature sensor 170, the working state of the heating mechanism 120 can be reasonably controlled. Specifically, when the temperature difference between the first temperature sensor 160 and the second temperature sensor 170 is within the range of 1°, it indicates that the heat preservation cover 112 and the fixing seat 111 cooperate well, and the temperature difference information is transmitted to the heating mechanism 120, and the heating mechanism 120 can perform the heating operation normally. In this state, the heat preservation chamber 114 has good airtightness, and the laser body 001 to be tested located in the heat preservation chamber 114 is heated evenly. When the temperature difference obtained by the first temperature sensor 160 and the temperature obtained by the second temperature sensor 170 is greater than 1°, it indicates that the heat preservation cover 112 is not installed and matched with the fixing seat 111 or there is a leakage area between the heat preservation cover 112 and the fixing seat 111. The temperature difference information is transmitted to the heating mechanism 120, and the heating mechanism 120 stops working, and it is not easy to have excessive temperature or waste of energy. For example, when the heat preservation cover 112 is removed from the fixing seat 111, in this state, since the laser body 001 to be tested is in the external environment, the laser body 001 to be tested is heated unevenly and a good test result cannot be obtained. Therefore, the heating mechanism 120 can stop working to save energy. Alternatively, in some operation processes, the laser body 001 to be tested is not arranged in the heat preservation chamber 114. At this time, the light hole 1121 is opened, and the heat preservation chamber 114 is connected to the outside world. During the operation of the heating mechanism 120, the temperature difference obtained by the first temperature sensor 160 and the second temperature sensor 170 is greater than 1°. At this time, the heating mechanism 120 can also stop working to prompt the operator to check the system status.

[0050] It should be understood that the first temperature sensor 160 and the second temperature sensor 170 may also be set as a temperature-sensitive resistor, etc. The first temperature sensor 160 and the second temperature sensor 170 may be connected to the heating mechanism 120 in a communication manner through a Bluetooth module, etc.

[0051] Please combine Figure 3-Figure 6 Optionally, the driver 150 includes a linear telescopic mechanism 151 and a mounting platform 152. The linear telescopic mechanism 151 is installed in the accommodating groove 1114, the mounting platform 152 is connected to the telescopic end of the linear telescopic mechanism 151, the focusing mirror 130 and the energy meter 140 are both installed on the mounting platform 152, and the focusing mirror 130 and the energy meter 140 are arranged at intervals in the telescopic direction of the linear telescopic mechanism 151, for example, the energy meter 140 is located on the side of the focusing mirror 130 close to the bottom of the accommodating groove 1114. During operation, the linear telescopic mechanism 151 is used to drive the mounting platform 152 to reciprocate linearly in the groove depth direction of the accommodating groove 1114, thereby driving the height change of the focusing mirror 130 and the energy meter 140, so that one of the two is located on the beam propagation path of the laser body 001 to be measured.

[0052] It should be understood that the linear telescopic mechanism 151 can be configured as a cylinder, a hydraulic cylinder or an electric push rod, etc.

[0053] In this embodiment, the optical path transmission device 200 optionally includes a housing 210 and a reflector assembly. The reflector assembly is detachably mounted on the housing 210 and is used to adjust the propagation path of the light beam of the laser body 001 to be tested so that the light beam is focused on the light spot receiving device 300 .

[0054] Please combine Figure 1-Figure 3 Optionally, the housing 210 has an optical path propagation channel inside, and the housing 210 has a first side and a second side in its width direction, and the first side and the second side are both set to be open. At the same time, the first side is provided with a plurality of second fixing holes 211, and the second side is provided with a plurality of snap-in holes 212. The fixing seat 111 is installed on the first side, and the fixing seat 111 can align the first fixing hole 1112 with the corresponding second fixing hole 211 as required, and then the fixing seat 111 and the housing 210 are locked with bolts, which plays a role in adjusting the height of the fixing seat 111, so that the light beams of different models of the laser body 001 to be tested can be emitted to the position set by the reflector group, which is flexible to use. The light spot receiving device 300 is installed on the second side. The light beam of the laser body 001 to be tested can be emitted from the first side to the reflector group, and then emitted from the second side and hit the light spot receiving device 300.

[0055] Optionally, the reflector assembly includes a first reflective unit 220, a second reflective unit 230 and a movable reflective mirror body 240. The first reflective unit 220 includes a first mounting box 221 and a plurality of first fixed reflective mirror bodies 222, the plurality of first fixed reflective mirror bodies 222 are all mounted in the first mounting box 221, each first fixed reflective mirror body 222 is at an angle of 45° to the horizontal plane, and two adjacent first fixed reflective mirror bodies 222 are symmetrically arranged. The first mounting box 221 is detachably connected to the housing 210, so that the plurality of first fixed reflective mirror bodies 222 can be simultaneously removed from the housing 210 for easy replacement. The second reflective unit 230 includes a second mounting box 231 and a plurality of second fixed reflective mirror bodies 232, the plurality of second fixed reflective mirror bodies 232 are all mounted in the second mounting box 231, each second fixed reflective mirror body 232 is at an angle of 45° to the horizontal plane, and two adjacent second fixed reflective mirror bodies 232 are symmetrically arranged. The second installation box 231 is detachably connected to the housing 210 and arranged at intervals relative to the first installation box 221. A plurality of second fixed reflector bodies 232 are installed in the second installation box 231. The plurality of second fixed reflector bodies 232 can be simultaneously removed from the housing 210 through the second installation box 231 for easy replacement. The movable reflector body 240 is connected to the light spot receiving device 300. The two are slidably matched with the second side. The distance of light beam propagation can be changed by adjusting the position of the movable reflector body 240 to adapt to the light beam test of different laser bodies 001 to be tested. Since the relative positions of the movable reflector body 240 and the light spot receiving device 300 remain unchanged, the light beam reflected by the movable reflector body 240 can always be received by the light spot receiving device 300.

[0056] For example, the movable reflector body 240 and the light spot receiving device 300 can be both mounted on the adjustment plate 250, and the adjustment plate 250 is provided with a snap-fitting protrusion, which can be snap-fitted with the corresponding snap-fitting hole 212 on the second side, and the position adjustment of the movable reflector body 240 and the light spot receiving device 300 can be achieved by adjusting the position of the adjustment plate 250. In addition, the snap-fitting hole 212 and the snap-fitting protrusion can be set as a fool-proof structure to prevent the situation where the distance of light beam propagation is wrong due to the wrong assembly of the adjustment plate 250. For example, the snap-fitting hole 212 and the snap-fitting protrusion are both special-shaped and can only be assembled and snap-fitted in one way.

[0057] In addition, in other embodiments, the light spot receiving device 300 may be arranged to be slidably matched with the adjustment plate 250, and the relative positions of the light spot receiving device 300 and the movable reflector body 240 in the horizontal direction may be adjusted, so that the light beam reflected by the movable reflector body 240 can be better directed to the light spot receiving device 300. For example, a guide rail 260 may be arranged on the adjustment plate 250, and the length direction of the guide rail 260 is perpendicular to the direction of the light beam from the movable reflector body 240 to the light spot receiving device.

[0058] For the sake of convenience, in this embodiment, there are three first fixed reflector bodies 222, namely a, b and c. There are four second fixed reflector bodies, namely d, e, f and h. a receives the light beam emitted from the laser body 001 to be tested, and after reflection, it is emitted to d, then to e, b, c, f and h in sequence, and finally to the movable reflector body 240 through h, and then to the light spot receiving device 300 by the movable reflector body 240.

[0059] Obviously, in other embodiments, the number of the first fixed reflector bodies 222 is not limited to three. Similarly, the number of the second fixed reflector bodies 232 is not limited to four.

[0060] The laser performance testing system provided in this embodiment can obtain the changes in energy and beam divergence angle of the laser body 001 to be tested under different temperature environments by adjusting the working state, thereby guiding the improvement of the laser body according to the obtained test result information, thereby obtaining a laser with stable performance and strong environmental adaptability.

[0061] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A laser performance testing system, characterized in that: It comprises a temperature control device (100), an optical path transmission device (200) and a light spot receiving device (300); wherein: The temperature control device (100) comprises a carrier (110), a heating mechanism (120), a focusing mirror (130) and an energy meter (140); the carrier (110) is used to locate the laser body (001) to be tested, and the carrier (110) and the light spot receiving device (300) are both installed on the optical path transmission device (200); the heating mechanism (120), the focusing mirror (130) and the energy meter (140) are all installed on the carrier (110), and the heating mechanism (120) is used to adjust the temperature of the laser body (001) to be tested; the focusing mirror (130) and the energy meter (140) are used selectively so that one of the two is located on the light beam propagation path of the laser body (001) to be tested; The optical path transmission device (200) is used to adjust the light beam emitted by the laser body (001) to be tested and passing through the focusing mirror (130), so that the light beam is focused on the light spot receiving device (300).

2. The laser performance test system according to claim 1, characterized in that: The carrier (110) comprises a fixing seat (111) and a heat preservation cover (112); the fixing seat (111) is mounted on the optical path transmission device (200); the fixing seat (111) is used to position the laser body (001) to be tested; the heat preservation cover (112) is mounted on the fixing seat (111); the heat preservation cover (112) and the fixing seat (111) cooperate to define a heat preservation cavity (114) for accommodating the laser body (001) to be tested; the heating mechanism (120), the focusing lens (130) and the energy meter (140) are all mounted on the fixing seat (111).

3. The laser performance test system according to claim 2, characterized in that: The temperature control device (100) further comprises a driver (150), wherein the driver (150) is mounted on the fixing seat (111), and the focusing mirror (130) and the energy meter (140) are both mounted on the driver (150), and the driver (150) is used to drive the focusing mirror (130) and the energy meter (140) to move relative to the laser body (001) to be tested, so that one of the focusing mirror (130) and the energy meter (140) is selectively matched with the laser body (001) to be tested.

4. The laser performance test system according to claim 3, characterized in that: The fixing seat (111) is provided with an accommodating groove (1114); the driver (150) comprises a linear telescopic mechanism (151) and a mounting platform (152); the linear telescopic mechanism (151) is mounted in the accommodating groove (1114); the mounting platform (152) is connected to the telescopic end of the linear telescopic mechanism (151); the focusing lens (130) and the energy meter (140) are both mounted on the mounting platform (152); the linear telescopic mechanism (151) is used to drive the mounting platform (152) to reciprocate linearly in the groove depth direction of the accommodating groove (1114).

5. The laser performance test system according to claim 2, characterized in that: The temperature control device (100) further comprises a first temperature sensor (160) and a second temperature sensor (170) both of which are communicatively connected to the heating mechanism (120); the first temperature sensor (160) and the second temperature sensor (170) are both mounted on the carrier (110); the first temperature sensor (160) is used to obtain the ambient temperature of the heat preservation chamber (114); and the second temperature sensor (170) is used to obtain the temperature of the area between the laser body (001) to be tested and the heating mechanism (120).

6. The laser performance test system according to claim 5, characterized in that: The first temperature sensor (160) is installed on the heat-insulating cover (112); the fixing seat (111) is provided with a positioning plane for contacting the laser body (001) to be tested, the positioning plane is provided with a mounting groove (1113), and the second temperature sensor (170) is located in the mounting groove (1113).

7. The laser performance test system according to claim 2, characterized in that: The heat preservation cover (112) is provided with a light-through hole (1121), the light-through hole (1121) passes through the inner side surface and the outer side surface of the heat preservation cover (112) which are arranged opposite to each other, one end of the light-through hole (1121) located on the inner side surface is connected to the heat preservation cavity (114) and is used to connect with the light beam outlet of the laser body (001) to be tested; the inner side surface is used to fit with the outer surface of the laser body (001) to be tested.

8. The laser performance testing system according to any one of claims 2 to 7, characterized in that: The fixing seat (111) is slidably connected to the optical path transmission device (200) to adjust the incident position of the light beam of the laser body (001) to be tested relative to the optical path transmission device (200).

9. The laser performance test system according to claim 8, characterized in that: The optical path transmission device (200) comprises a housing (210) and a reflector group, wherein the reflector group is detachably mounted on the housing (210), and the reflector group is used to adjust the propagation path of the light beam of the laser body (001) to be tested so that the light beam is focused on the light spot receiving device (300); The fixing seat (111) is slidably connected to the housing (210).

10. The laser performance test system according to claim 9, characterized in that: The reflector group comprises a movable reflector body (240) and a plurality of fixed reflector bodies; the plurality of fixed reflector bodies are all mounted on the housing (210) and are used to adjust the propagation path of the light beam; the movable reflector body (240) is slidably mounted on the housing (210) and is used to adjust the propagation path of the light beam reflected from the fixed reflector body; the light spot receiving device (300) is mounted on the movable reflector body (240) and is used to receive the light beam reflected from the movable reflector body (240).

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