Fiber laser coupling module and integrated platform

Abstract

The invention provides an optical fiber laser coupling module and an integration platform, and the optical fiber laser coupling module constructs an extremely compact structure through enabling a pumping assembly, a laser assembly, an output assembly, a control assembly, a communication assembly, a driving assembly and a monitoring assembly to surround a heat dissipation assembly and employing a mechanical interaction device for integration. Compared with a traditional distributed layout or a simple integration mode, the overall physical occupied space is greatly reduced; meanwhile, when a certain assembly breaks down, maintenance personnel can conveniently position and disassemble the assembly with the problem through the mechanical interaction device, complex disassembly of the whole fiber laser coupling module in a traditional integrated design is not needed, the maintenance time is saved, the requirement for the technical proficiency of operators is lowered, and the maintenance efficiency is improved. And the shutdown time of equipment caused by maintenance is reduced, the overall operation efficiency is improved, and the continuity of working processes such as production, scientific research and the like is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of fiber laser coupling modules, and particularly to a fiber laser coupling module and an integration platform. Background Art

[0002] With the wide application of laser technology in many fields, such as industrial processing, optical communication, medical beauty, and scientific research experiments, etc., as the core component for generating laser, the performance, reliability, and maintainability of laser modules become increasingly crucial. Currently, the structural patterns of laser modules available on the market are relatively single. Most manufacturers directly assemble a complete laser device after integrating and encapsulating the optical module and the electrical module. Although this highly integrated design simplifies the initial assembly process of the product to a certain extent, reduces some costs in the production process, and makes the whole machine appear simple and compact in appearance and initial use.

[0003] However, once a laser module fails during use, its repair process is extremely cumbersome. Due to the close combination of the optical module and the electrical module and the lack of an effective modular split design, technicians cannot conveniently locate and handle problems on-site. Usually, the entire laser module must be removed from the device and sent back to the original manufacturer for repair. This process not only involves complex logistics transportation links and consumes a large amount of time costs, but often leads to a serious delay in the progress of engineering projects. In addition, from the perspective of technology iteration and upgrade, the existing integrated laser module structure is not conducive to rapid replacement. With the rapid development of laser technology, new optical materials, electrical control algorithms, and heat dissipation technologies continue to emerge. If an enterprise wants to improve a specific module inside the laser module (such as optimizing the optical path structure in the optical module or upgrading the drive circuit in the electrical module), due to the limitation of the overall structure, it often needs to redesign the entire laser module, which undoubtedly increases the R & D cost and the cycle for new products to be launched into the market, and hinders the in-depth application and innovative development of laser technology in various industries.

[0004] In summary, the structural design of existing laser modules on the market has significant defects in terms of maintainability, repair efficiency, and convenience of technology upgrade. There is an urgent need for a new fiber laser coupling module and integration platform with highly modular characteristics to overcome these problems and meet the growing market demand and technological development requirements. Summary of the Invention

[0005] The purpose of the present invention is to provide a fiber laser coupling module and an integration platform to solve the technical problem that the existing fiber laser devices have low repair efficiency due to high integration.

[0006] To solve the above technical problems, the present invention first provides an optical fiber laser coupling module, which includes a heat dissipation component, and a pump component, a laser component, an output component, a control component, a communication component, a drive component, and a monitoring component that are arranged around the heat dissipation component and integrated on the heat dissipation component through a mechanical interaction device; Among them, the pump component, the laser component, and the output component are optically connected in sequence along the signal light transmission direction; the control component is electrically connected to the communication component and the drive component respectively, and is used for controlling and coordinating the management of the optical fiber laser coupling module; the communication component is electrically connected to the drive component and the monitoring component respectively, and is used for realizing internal information transmission and external information interaction of the optical fiber laser coupling module; the drive component is used for adjusting the working parameters of the optical fiber laser coupling module according to the instructions of the control component; the monitoring component is electrically connected to the pump component and the laser component respectively, and is used for real-time monitoring of the working state of the optical fiber laser coupling module.

[0007] Preferably, the laser component includes an optical fiber laser oscillation structure or an optical fiber laser amplification structure. The optical fiber laser oscillation structure includes at least one of a ring cavity and a linear cavity. The optical fiber laser amplification structure includes at least one of a single-end pumped amplification optical path and a double-end pumped amplification optical path.

[0008] Preferably, the power tolerance threshold of the output component is greater than the luminous power of the laser. The output component includes a first output unit or a second output unit; Among them, the first output unit is used for collimating, focusing, and shaping the laser in sequence; the second output unit is used for splitting the laser.

[0009] Preferably, the heat dissipation component includes an air-cooling member and a water-cooling mechanical member; the air-cooling member includes fins and heat pipes, and the heat pipes are located in the heat-concentrated area of the optical fiber laser coupling module; the water-cooling mechanical member includes a water-cooling aisle.

[0010] Preferably, the control component includes a control main board, a storage member, a debugging member, and an emergency stop member. The control main board is responsible for processing various data summarized by the communication component and providing feedback; the debugging member is used for outputting debugging signals, triggering the detection component to enter a specific working mode and recovering and storing the debugging signals; the emergency stop member is used for sending an interrupt signal immediately after the optical fiber laser module is started, and for alarming when there are significant errors between the real-time working state and the previous working state.

[0011] Preferably, the communication component includes a communication serial port and an interaction terminal. The communication serial port is used for connecting the drive component, the monitoring component, the communication component, and the control component, and for information transmission and feedback between the drive component, the monitoring component, the communication component, and the control component; the interaction terminal is used for obtaining and displaying the working state information of the optical fiber laser coupling module through the communication serial port.

[0012] Preferably, the driving component includes a driving main board, a starting component, and a current adaptation component; the driving main board is configured to change the magnitude of the output electric power of the fiber laser coupling module after receiving the control signal from the control component; the starting component is used for starting and preheating the fiber laser coupling module; the current adaptation component is used to provide a DC power supply for the fiber laser coupling module.

[0013] Preferably, the monitoring component includes a signal transmission component and a sensing component; the sensing component includes a temperature detection element, an LD detection element, and a PD detection element. The temperature detection element is used to monitor the working temperature of the fiber laser coupling module in real time, the LD detection element is used to monitor the LD working voltage and the real-time current of the fiber laser coupling module in real time, and the PD detection element is used to monitor the output power of the laser component in real time.

[0014] Correspondingly, the present invention further provides an integration platform, including a plurality of fiber laser coupling modules as described in any one of the above.

[0015] Preferably, the working mode of the integration platform includes any one of a laser beam combining working mode, a cascaded amplification working mode, and a multi-beam linkage working mode; wherein, when the integration platform is in the laser beam combining working mode, the total output power of the integration platform is the sum of the output powers of the plurality of fiber laser coupling modules; when the integration platform is in the cascaded amplification working mode, one fiber laser coupling module serves as the seed source for cascaded amplification, and the remaining fiber laser coupling modules serve as the laser amplification structures in the integration platform. The total output power of the integration platform is the product of the power of the seed source and the amplification factors of the plurality of laser amplification structures; when the integration platform is in the multi-beam linkage working mode, the integration platform is used for performing multi-beam linkage processing on the lasers emitted by the plurality of fiber laser coupling modules. The multi-beam linkage processing includes any one of multi-channel grouping control processing, multi-beam simultaneous output processing, and multi-beam sequential difference output processing.

[0016] The beneficial effects of the present invention are as follows: Different from the prior art, the present invention provides an optical fiber laser coupling module and an integration platform. The above optical fiber laser coupling module is arranged by surrounding the heat dissipation component with a pump component, a laser component, an output component, a control component, a communication component, a driving component and a monitoring component and integrated by using a mechanical interaction device, so as to construct an extremely compact structure. Compared with the traditional decentralized layout or simple integration method, the overall physical occupied space is greatly reduced. At the same time, when a certain component fails, the maintenance personnel can conveniently locate and disassemble the problem component by virtue of the mechanical interaction device, without the need to perform complex disassembly on the entire optical fiber laser coupling module as in the traditional integrated design. This not only saves maintenance time, reduces the requirement for the technical proficiency of the operator, but also reduces the equipment downtime caused by maintenance, improves the overall operation efficiency, and ensures the continuity of production, scientific research and other work processes. In addition, within a certain specification range, the function conversion or performance improvement of the optical fiber laser coupling module can be realized by replacing several functional components in the laser module. Description of the Drawings

[0017] Figure 1 is a schematic internal structure diagram of the optical fiber laser coupling module provided in Embodiment 1 of the present invention; Figure 2 is a schematic framework structure diagram of the integration platform provided in Embodiment 1 of the present invention; Figure 3 is a schematic diagram of the integration platform in different working modes provided in Embodiment 1 of the present invention; In the drawings: 100 - optical fiber laser coupling module; 10 - pump component; 20 - laser component; 30 - output component; 40 - heat dissipation component; 50 - control component; 60 - communication component; 70 - driving component; 80 - monitoring component. Detailed Embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] The object of the present invention is to address the deficiencies of the prior art and provide an optical fiber laser coupling module and an integrated platform. The optical fiber laser coupling module itself has compatibility and detachable characteristics, making it more convenient for product updates and iterations, and having strong market timeliness. For different application scenarios, instead of replacing the entire optical fiber laser coupling module, only appropriate components need to be replaced, which is convenient to operate. Through the cooperation of different laser components, the above optical fiber laser coupling module can achieve beam outputs of different wavelengths and different powers, and has application prospects in the medical, military, and industrial fields.

[0020] The technical solution of the present invention will now be described in conjunction with specific embodiments.

[0021] Embodiment 1: Please refer to Figure 1 , Figure 1 which is a schematic internal structure diagram of the optical fiber laser coupling module 100 provided in Embodiment 1 of the present invention. Among them, the optical fiber laser coupling module 100 includes a heat dissipation component 40 and a pump component 10, a laser component 20, an output component 30, a control component 50, a communication component 60, a driving component 70, and a monitoring component 80 that are arranged around the heat dissipation component 40 and integrated on the heat dissipation component 40 through a mechanical interaction device; Among them, the pump component 10, the laser component 20, and the output component 30 are sequentially optically connected along the signal light transmission direction, and the output component 30 is used to transmit the laser generated by the laser component 20. The control component 50 is electrically connected to the communication component 60 and the driving component 70 respectively, and is used to control and coordinate the management of the optical fiber laser coupling module 100. The communication component 60 is electrically connected to the driving component 70 and the monitoring component 80 respectively, and is used to realize the internal information transmission and external information interaction of the optical fiber laser coupling module 100. The driving component 70 is used to adjust the working parameters of the optical fiber laser coupling module 100 according to the instructions of the control component 50. The monitoring component 80 is electrically connected to the pump component 10 and the laser component 20 respectively, and is used to monitor the working state of the optical fiber laser coupling module 100 in real time. In this Embodiment 1, the optical fiber laser coupling module 100 of the same type has a relatively fixed structure, the same output mode, and a unified core diameter, and uses a standardized mechanical interaction device to connect each component to the heat dissipation component 40. The optical fiber laser coupling module 100 is assembled according to different design standards, and its working modes include continuous, pulsed, and quasi-continuous. Different sizes of hole positions are used inside the optical fiber laser coupling module 100 for anti-misassembly design, and each functional component is installed in different areas around the heat dissipation component 40 to achieve a dispersed layout of heat sources while ensuring the flexibility of installation and disassembly between components.

[0022] In this Embodiment 1, the pump component 10 and the laser component 20 have a corresponding relationship between wavelength and power ratio, and include types and quantities of pump sources adapted to different optical path structures inside.

[0023] In the first embodiment, the laser assembly 20 is an optical main body that generates laser light, and it includes, but is not limited to, a fiber laser oscillation structure or a fiber laser amplification structure. The fiber laser oscillation structure includes at least one of a ring cavity and a linear cavity, and the fiber laser amplification structure includes at least one of a single-end pumped amplification optical path and a double-end pumped amplification optical path.

[0024] In the first embodiment, the output assembly 30 is used to transmit the laser light generated by the laser assembly 20, and it includes a first output unit or a second output unit inside; the first output unit is used to perform collimation, focusing, and shaping processing on the laser light in sequence; the second output unit is used to perform beam splitting processing on the laser light.

[0025] Specifically, the output assembly 30 is provided with a reserved tolerance, and its power tolerance threshold is always greater than the laser light generated by the laser assembly 20.

[0026] In the first embodiment, the heat dissipation assembly 40 includes an air-cooling component and a water-cooling mechanical component; the air-cooling component includes fins and heat pipes, and the heat pipes are located in the heat concentration area of the fiber laser coupling module 100; the water-cooling mechanical component includes a water-cooling aisle.

[0027] Specifically, when the fiber laser coupling module 100 outputs low power, the heat dissipation assembly 40 adopts an air-cooling heat dissipation mode, which can improve the safety and convenience of laser output; when the fiber laser coupling module 100 outputs high power, the heat dissipation assembly 40 adopts a water-cooling heat dissipation mode, which can meet the high heat dissipation requirements during high-power output; the internal devices of the fiber laser coupling module 100 can be arranged according to the heat generation situation to disperse the total heat dissipation requirements of the fiber laser coupling module 100: the heat generation points of the pump assembly 10 are staggered from the heat generation points of the laser assembly 20.

[0028] In the first embodiment, the control assembly 50 includes a control main board, a storage component, a debugging component, and an emergency stop component.

[0029] Specifically, the control main board is the control center of the entire fiber laser coupling module 100, responsible for processing various data summarized by the communication assembly 60 and providing feedback. After processing the various data, it is transmitted to the communication assembly 60, and the interactive terminal lists them to output the working information of the fiber laser coupling module 100.

[0030] Specifically, the storage component stores information for a certain period of time for subsequent maintenance of the module, and records debugging records and maintenance records.

[0031] Specifically, the debugging component outputs a debugging signal, triggering the detection component to enter a specific working mode and recycle and store its output signal, which is used for self-check before the start of the fiber laser coupling module 100, laser output warning, and integrity detection of the optical path, circuit, and control system of the fiber laser coupling module 100 after maintenance, expansion, or upgrade.

[0032] Specifically, the emergency stop component is set at the end of the communication serial port. When the fiber laser coupling module 100 is started, the emergency stop component sends an interrupt signal immediately. After the control component 50 obtains the working state information of the fiber laser coupling module 100, the storage component compares it with the previous data. When there is a large error between the real-time working state and the previous working state, an alarm is issued through the emergency stop component, and an emergency stop channel is provided externally for manual emergency shutdown.

[0033] Furthermore, since each communication component 60 adopts a unified standard protocol, the same control component 50 can control different fiber laser coupling modules 100.

[0034] In Embodiment 1, the communication component 60 includes a communication serial port and an interaction terminal. The communication serial port is used to connect the drive component 70, the monitoring component 80, the communication component 60, and the control component 50, and transfer and feedback information among the drive component 70, the monitoring component 80, the communication component 60, and the control component 50. The interaction terminal is used to obtain and display the working state information of the fiber laser coupling module 100 through the communication serial port.

[0035] Specifically, the customer instruction transmits and sends a signal through the interaction terminal, which is transmitted to the control component 50 through the communication serial port. The control component 50 then sends a trigger signal to the drive component 70 through the communication serial port, and the drive main board realizes the control of the laser module. The communication serial port connects the drive component 70, the monitoring component 80, the communication component 60, and the control component 50 in the fiber laser coupling module 100, and transmits the signal sent by the control component 50 to the other components, which is the main road for information transfer and feedback. The interaction terminal connects the inside and outside of the fiber laser coupling module 100, which is the channel for manual interference with the working state of the fiber laser coupling module 100.

[0036] Furthermore, the communication serial port also exists in the drive component 70, the control component 50, and the monitoring component 80.

[0037] In Embodiment 1, the drive component 70 includes a drive main board, a start component, and a current adaptation component; the drive main board; the drive component 70 includes a communication serial port, which transmits the working state to the control component 50, and after receiving the signal sent by the control component 50, executes the control instruction.

[0038] Specifically, when the communication serial port in the drive component 70 receives the signal from the control component 50, the drive main board changes the magnitude of the output electric power, thereby changing the operating parameters of the fiber laser coupling module 100; the starting component is used for the startup and preheating of the fiber laser coupling module 100; the power supply adaptation component realizes the conversion from alternating current to direct current and provides sufficient direct current supply for the fiber laser coupling module 100.

[0039] In the present Embodiment 1, the monitoring component 80 includes a signal transmission component and a sensing component. The sensing component is used to obtain the operating state information of the fiber laser coupling module 100 and transmit it to the communication component 60 through the signal transmission component.

[0040] Specifically, the sensing component includes a temperature detection element, an LD (Laser Diode) detection element, and a PD (Photo-Diode) detection element.

[0041] Specifically, the temperature detection element is provided with detection points to monitor the operating temperatures at various locations of the fiber laser coupling module 100 and transmit them to the control component 50 and the communication component 60 for display on the interactive terminal and to open channels for manual intervention and internal adaptive intervention. The emergency stop component inside the control component 50 gives early warnings for excessively high or low operating temperatures and alarms for dangerous operating states and abnormal heat generation points; moreover, after the temperature measured by the temperature detection component is transmitted to the control component 50, the storage component makes a threshold judgment by comparing with the database and regulates the heat dissipation component 40. When the heat dissipation is sufficient and the temperatures at each detection point are low, it is judged that the temperature is lower than the lowest threshold, and the control component 50 reduces the heat dissipation of the heat dissipation component 40, that is, reduces the fan speed or the flow rate of the water-cooled aisle, to achieve the wavelength stability of the laser within a certain range; conversely, the control component 50 will increase the heat dissipation to control the temperature within a controllable range.

[0042] Specifically, the LD detection element realizes the detection of the LD operating voltage and the real-time current to detect the operating state of the fiber laser coupling module 100; the PD detection element detects the real-time power output by the laser component 20 through photoelectric conversion and converts it into an electrical signal, which is transmitted to the control component 50 through the communication serial port.

[0043] In Embodiment 1 of the present invention, the components inside the fiber laser coupling module 100 are connected by a heat dissipation component 40, and its working process is as follows: Information transmission and interactive display are carried out through the communication component 60. When a command is issued manually or a signal is sent by the monitoring component 80, the communication component 60 receives and transmits it to the control component 50. The control component 50 processes the signal and sends a feedback signal after processing. The communication component 60 sends and activates the drive component 70 through the serial port to change the working state of the fiber laser coupling module 100. When working independently, the fiber laser coupling module 100 realizes fluorescence output by virtue of the amplification structure optical path or laser output by virtue of the oscillation structure optical path according to the designed optical path.

[0044] Please refer to Figure 2 , Figure 2 which is a schematic diagram of the frame structure of the integration platform provided in Embodiment 1 of the present invention. Among them, the integration platform includes a plurality of fiber laser coupling modules 100. Due to the compatibility and expandability of the fiber laser coupling module 100 itself and the compatibility of the control component 50 with respect to the control functions of different fiber laser coupling modules 100, the integration platform includes three multi-group fiber laser coordinated working modes according to different application scenarios: laser beam combining working mode, cascaded amplification working mode, and multi-beam linkage working mode.

[0045] Specifically, a plurality of fiber laser coupling modules 100 are integrated into the integration platform. The interior of the integration platform contains a plurality of laser module placement areas, and each area is provided with mechanical interaction ports and fixed ports of the same specification for fixing the fiber laser coupling module 100. The size of the integration platform depends on the number of fiber laser coupling modules 100 contained inside. Due to the compatibility of the mechanical interaction ports, the fiber laser coupling module 100 can achieve different output functions according to different combination methods. After replacing different fiber laser coupling modules 100, the whole machine can be upgraded or repaired. The number and combination method of the fiber laser coupling modules 100 depend on the application scenario and optical requirements.

[0046] Specifically, the integration platform is provided with a trigger signal input port, a human-machine interaction port, an information storage port, a linkage output port, and a general emergency stop port.

[0047] Specifically, the trigger signal output port and the control component 50 and the communication component 60 inside the fiber laser coupling module 100 use the same communication protocol. The trigger signal input port converts the instruction obtained from the human-machine interaction port into protocol language, gives control to each fiber laser coupling module 100 inside the integration platform respectively, and the signal is transmitted to each fiber laser coupling module 100 simultaneously by the main road to control multiple fiber laser coupling modules 100 at the same time.

[0048] Specifically, the human-machine interaction port is responsible for reading customer instructions and opening an artificial control channel; the information storage port is used to store system working information and operation records; the linkage output port includes, but is not limited to, a fiber optic signal combiner, a grating, a prism, and a PBS (Polarizing Beam Splitter), etc. Its function is to combine, split, shape, and output the laser of each fiber laser coupling module 100 during the linkage output operation; the total emergency stop port is connected to the corresponding control components 50 of each fiber laser coupling module 100 through the trigger signal input port to perform a power emergency stop when necessary.

[0049] Please refer to Figure 3 the schematic diagram of the working mode in (a); among them, when the integrated platform is in the laser beam combination working mode, the customer inputs instructions through the human-machine interaction port, and a trigger signal is input from outside the integrated platform and transmitted to each fiber laser coupling module 100 (laser module 1, laser module 2... laser module N) inside the integrated platform through the trigger signal input port. The communication component 60 inside each fiber laser coupling module 100 receives the signal, and the signal is transmitted to the control component 50. After processing, it controls the drive component 70 and the monitoring component 80. The drive component 70 generates a drive electrical signal to drive the pump component 10 to work, and the monitoring component 80 feeds back the working state of each fiber laser coupling module 100, which is transmitted by each communication component 60. After being processed by multiple control components 50 (control component 1, control component 2... control component N), it is summarized and displayed at the human-machine interaction port of the integrated platform. At the same time, the working states of each fiber laser coupling module 100 are separately stored in the information storage port of the integrated platform; the output components 30 of each fiber laser coupling module 100 are connected to the linkage output port, and the laser after linkage beam combination is output from the linkage output port.

[0050] Specifically, when the integrated platform is in the laser beam combination working mode, the total output power of the integrated platform is the sum of the output powers of multiple fiber laser coupling modules 100; among them, the output power of each fiber laser coupling module 100 is N 1 、N 2 、N 3 ……N N For an integrated platform, if the laser power output from the linkage output port is N, then the relationship between N and N 1 、N 2 、N 3 ……N N is as follows: N = N 1 + N 2 + N 3 +……+ N N ; (Formula 1).

[0051] Please refer to Figure 3Schematic diagram of the working mode in (b); among them, one fiber laser coupling module 100 serves as the seed source for cascaded amplification, and the remaining fiber laser coupling modules 100 serve as the laser amplification structure in the integrated platform. The seed source and each fiber laser coupling module 100 for the amplification stage are all connected to the integrated platform. The control components 50 (control component 1, control component 2... control component N) of each fiber laser coupling module 100 are connected to the trigger signal input port. Instructions are input through the human-computer interaction port and directly control the control components 50 of each fiber laser coupling module 100 after conversion, so as to realize the control of each fiber laser coupling module 100 (laser module 1, laser module 2... laser module N).

[0052] Specifically, when the integrated platform is in the cascaded amplification working mode, multiple control components 50 receive the trigger signal and cooperate with the monitoring component 80 to detect the seed output. A feedback signal is sent out by the seed source, enters the information storage port, and finally is received by the human-computer interaction port and prompts that the seed source is normally turned on. At this time, the laser amplification structure can be started; when the integrated platform exits the cascaded amplification working mode, after each laser amplification structure is turned off, a feedback signal is sent respectively, enters the signal storage port, and finally is received by the human-computer interaction port and prompts that the laser amplification structure is normally turned off.

[0053] Specifically, the total output power of the integrated platform is the product of the power of the seed source and the amplification multiples of multiple laser amplification structures; among them, for the integrated platform with the output power of the seed source being N 1 and the amplification multiples of each laser amplification structure being N 2 、N 3 ……N N , if the final output power of the linked output port is N, then the relationship between N and N 1 、N 2 、N 3 ……N N satisfies the following: N = N 1 ×N 2 ×N 3 ×……N N ; (Formula 2).

[0054] Please refer to Figure 3 the schematic diagram of the working mode in (c); among them, different types of fiber laser coupling modules 100 are integrated on the same fiber integrated platform. The human-computer interaction port inputs a trigger signal and transmits it to each fiber laser coupling module 100 to realize multi-beam linkage processing of the lasers emitted by multiple fiber laser coupling modules 100. The multi-beam linkage processing includes any one of multi-channel grouping control processing, multi-beam simultaneous output processing, and multi-beam timing difference output processing.

[0055] Specifically, when the integration platform controls the output of multiple pulsed lasers or continuous lasers simultaneously in the multi-beam linkage working mode, it can be applied to additive manufacturing applications; when the integration platform outputs semiconductor lasers and fiber lasers simultaneously in the multi-beam linkage working mode, it can be applied to laser welding applications.

[0056] The integration platform provided in Embodiment 1 of the present invention can achieve multiple linkage working modes by integrating several fiber laser coupling modules 100. The mechanical structure of the integration platform has module compatibility and expandability. Each component inside the fiber laser coupling module 100 has compatibility and replaceability, and the control component 50 uses the same communication protocol to empower module compatibility.

[0057] Specifically, when the integration platform is in the laser beam combining working mode, fiber laser coupling modules 100 with the same specifications can be used to compatibly replace any module in the original system, realizing the quick replacement and factory repair of any module in the integration platform; when there are surplus interfaces in the integration platform, adding fiber laser coupling modules 100 with the same specifications can achieve function expansion or overall system power improvement; when the integration platform is in the cascaded amplification working mode, within the upper threshold of the amplification factor, the amplification factor of the laser amplification structure can be increased to upgrade the system power; when the integration platform is in the multi-beam linkage working mode, different types or functions of fiber laser coupling modules 100 can be replaced for linkage, realizing the function iteration or upgrade of the integration platform.

[0058] Different from the prior art, the fiber laser coupling module 100 and the integration platform provided by the present invention also have the following advantages: First, the fiber laser coupling module 100 provided by the present invention can achieve the quick integration and replacement of each functional component on the heat dissipation component 40 through unified optical fibers, circuits, and mechanical interfaces, and within a certain specification range, the function conversion or performance improvement of the fiber laser coupling module 100 can be realized by replacing several functional components inside the fiber laser coupling module 100. Second, for application requirements that exceed the index requirements of a single fiber laser coupling module 100, multiple fiber laser coupling modules 100 can be combined to form an integration platform to further improve the performance index of the corresponding requirements.

[0059] In summary, the internal components of the fiber laser coupling module 100 involved in the present invention are integrated through mechanical devices with the same specifications. Therefore, the internal components of the fiber laser coupling module 100 within a certain specification range have compatibility, expandability, and easy maintainability; each fiber laser coupling module 100 outputs fluorescence or laser when working independently, and multiple sets of fiber laser coupling modules 100 can achieve three different combination methods of laser beam combining output, cascaded amplification output, and multi-beam linkage output to adapt to various laser application scenarios.

[0060] It should be noted that the above embodiments all belong to the same inventive concept. Each embodiment has its own emphasis in description. For the parts not described in detail in individual embodiments, reference can be made to the descriptions in other embodiments.

[0061] The above embodiments only represent the implementation manners of the present invention. The descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A fiber laser coupling module, characterized in that: It includes a heat dissipation component and a pump component, a laser component, an output component, a control component, a communication component, a drive component and a monitoring component which are arranged around the heat dissipation component and integrated on the heat dissipation component through a mechanical interaction device; Among them, the pump component, the laser component and the output component are optically connected in sequence along the signal light transmission direction; the control component is electrically connected to the communication component and the drive component respectively, and is used to control and coordinate the fiber laser coupling module; the communication component is electrically connected to the drive component and the monitoring component respectively, and is used to realize the internal information transmission and external information interaction of the fiber laser coupling module; the drive component is used to adjust the working parameters of the fiber laser coupling module according to the instructions of the control component; the monitoring component is electrically connected to the pump component and the laser component respectively, and is used to monitor the working status of the fiber laser coupling module in real time.

2. The fiber laser coupling module according to claim 1, characterized in that: The laser assembly includes a fiber laser oscillation structure or a fiber laser amplification structure, the fiber laser oscillation structure includes at least one of a ring cavity and a linear cavity, and the fiber laser amplification structure includes at least one of a single-end pumping amplification optical path and a double-end pumping amplification optical path.

3. The fiber laser coupling module according to claim 1, characterized in that: The power tolerance threshold of the output component is greater than the light emitting power of the laser, and the output component includes a first output unit or a second output unit; The first output unit is used to perform collimation, focusing and shaping processing on the laser in sequence; the second output unit is used to perform beam splitting processing on the laser.

4. The fiber laser coupling module according to claim 1, characterized in that: The heat dissipation assembly includes an air-cooling component and a water-cooling mechanical component; the air-cooling component includes fins and heat pipes, and the heat pipes are located in the heat concentration area of ​​the optical fiber laser coupling module; the water-cooling mechanical component includes a water-cooling walkway.

5. The fiber laser coupling module according to claim 1, characterized in that: The control component includes a control mainboard, a storage component, a debugging component and an emergency stop component. The control mainboard is responsible for processing the various data collected by the communication component and providing feedback; The debugging component is used to output a debugging signal, trigger the detection component to enter a specific working mode and recover and store the debugging signal; the emergency stop component is used to send an interrupt signal as soon as the fiber laser module is started, and to alarm when there is a large error between the real-time working state and the previous working state.

6. The optical fiber laser coupling module according to claim 1, characterized in that: The communication component includes a communication serial port and an interactive terminal. The communication serial port is used to connect the drive component, the monitoring component, the communication component and the control component, and to transmit and feedback information between the drive component, the monitoring component, the communication component and the control component; the interactive terminal is used to obtain and display the working status information of the fiber laser coupling module through the communication serial port.

7. The optical fiber laser coupling module according to claim 1, characterized in that: The driving component includes a driving mainboard, a starting component and a current adapter component; the driving mainboard is used to change the output power of the fiber laser coupling module after receiving the control signal of the control component; the starting component is used to start and preheat the fiber laser coupling module; the current adapter component is used to provide a DC power supply for the fiber laser coupling module.

8. The optical fiber laser coupling module according to claim 1, characterized in that: The monitoring component includes a signal transmission component and a sensing component; the sensing component includes a temperature detection element, an LD detection element and a PD detection element, the temperature detection element is used to monitor the operating temperature of the optical fiber laser coupling module in real time, the LD detection element is used to monitor the LD operating voltage and real-time current of the optical fiber laser coupling module in real time, and the PD detection element is used to monitor the output power of the laser component in real time.

9. An integrated platform, characterized in that: The method comprises a plurality of fiber laser coupling modules according to any one of claims 1 to 8.

10. The integrated platform according to claim 9, characterized in that: The working mode of the integrated platform includes any one of a laser beam combining working mode, a cascade amplification working mode and a multi-beam linkage working mode; Wherein, when the integrated platform is in the laser beam combining working mode, the total output power of the integrated platform is the sum of the output powers of the plurality of fiber laser coupling modules; When the integrated platform is in the cascade amplification working mode, one of the fiber laser coupling modules serves as a seed source for cascade amplification, and the remaining fiber laser coupling modules serve as laser amplification structures in the integrated platform, and the total output power of the integrated platform is the product of the power of the seed source and the amplification factors of the plurality of laser amplification structures; When the integrated platform is in the multi-beam linkage working mode, the integrated platform is used to perform multi-beam linkage processing on the lasers emitted by the multiple fiber laser coupling modules, and the multi-beam linkage processing includes any one of multi-channel grouping control processing, multi-beam simultaneous output processing and multi-beam timing difference output processing.

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