Power calibration method and device of fiber laser

Abstract

The invention provides a power calibration method and device of an optical fiber laser, and the method comprises the steps: determining the maximum ideal output power of a target optical fiber laser, and determining a plurality of ideal reference points according to the maximum ideal output power; selecting any one ideal reference point as a to-be-detected ideal reference point; detecting the output of the target fiber laser according to a power meter to obtain the actual output power; and adjusting the output of the target fiber laser according to the actual output power and the to-be-detected ideal reference point, and executing the step of selecting any ideal reference point as the to-be-detected ideal reference point until all ideal reference points are selected, thereby completing the calibration of the target fiber laser. According to the invention, automatic power calibration of the laser is realized, overlarge power consistency deviation is avoided, the linearity of the light output power value of the laser is improved, the problem of large power deviation discreteness in the laser is solved, the use process requirements of the laser are reduced, and the light output power is predictable.

Description

Technical Field

[0001] This application relates to the field of laser technology, and particularly to a method for calibrating the power of a fiber laser. This application also relates to a power calibration device for a fiber laser, a computing device, and a computer-readable storage medium. Background Art

[0002] In existing laser power calibration schemes, only the detection with a laser power meter is concerned, whether the full-power laser output reaches the specified output power, that is, only the full-power laser power output is calibrated. The power segments below the full-power laser output only depend on the inherent parameters of the product devices themselves, the integration process of the laser, etc. Therefore, the consistency of the power curve of the laser cannot be guaranteed, the linearity is also difficult to guarantee, and it is not convenient for production standardization. Summary of the Invention

[0003] In view of this, embodiments of this application provide a method for calibrating the power of a fiber laser to solve the technical defects existing in the prior art. Embodiments of this application also provide a power calibration device for a fiber laser, a computing device, and a computer-readable storage medium.

[0004] According to the first aspect of the embodiments of this application, a method for calibrating the power of a fiber laser is provided, including: S1, determining the maximum ideal output power of the target fiber laser, and determining a plurality of ideal reference points according to the maximum ideal output power; S2, selecting any one of the ideal reference points as the ideal reference point to be detected; S3, detecting the output of the target fiber laser according to a preset power meter to obtain the actual output power; S4, adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and executing S2 until all the ideal reference points are selected to complete the calibration of the target fiber laser.

[0005] Optionally, in S1, the determining a plurality of ideal reference points according to the maximum ideal output power includes: S11, determining the power output range of the target fiber laser according to the maximum ideal output power; S12, determining the division step according to the detection accuracy of the power meter; S13, determining a plurality of ideal reference points in the power output range according to the division step.

[0006] Optionally, before S3, it further includes: Adjusting the output power of the target fiber laser according to the ideal reference point to be detected.

[0007] Optionally, in S4, adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected includes: S41, determining a calibrated power upper limit and a calibrated power lower limit according to the ideal reference point to be detected; S42, adjusting the output power of the fiber laser according to the actual output power, the calibrated power upper limit, and the calibrated power lower limit; S43, executing S3 until the actual output power meets the power calibration requirement.

[0008] Optionally, in S42, adjusting the output power of the fiber laser according to the actual output power, the calibrated power upper limit, and the calibrated power lower limit includes: S411, comparing the actual output power with the calibrated power upper limit and determining whether the actual output power is greater than the calibrated power upper limit. If so, adjusting the output power of the fiber laser to be negatively offset by a preset unit, and executing S411 until the actual output power is less than the ideal reference point to be detected; If not, comparing the actual output power with the calibrated power lower limit. When the actual output power is less than the calibrated power lower limit, adjusting the output power of the fiber laser to be positively offset by the preset unit. When the actual output power is not less than the calibrated power lower limit, the adjustment is completed.

[0009] According to a second aspect of the embodiments of the present application, a power calibration device for a fiber laser is provided, including: A reference point determination module configured to determine the maximum ideal output power of a target fiber laser and determine a plurality of ideal reference points according to the maximum ideal output power; A selection module configured to select any one of the ideal reference points as the ideal reference point to be detected; A detection module configured to detect the output of the target fiber laser according to a preset power meter to obtain the actual output power; An adjustment module configured to adjust the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and call the selection module until all the ideal reference points are selected to complete the calibration of the target fiber laser.

[0010] According to a third aspect of the embodiments of the present application, a computing device is provided, including: A memory and a processor; The memory is used to store computer-executable instructions, and when the processor executes the computer-executable instructions, the steps of the power calibration method of the fiber laser are implemented.

[0011] According to the fourth aspect of the embodiments of the present application, a computer-readable storage medium is provided, which stores computer-executable instructions, and when the instructions are executed by a processor, the steps of the power calibration method of the fiber laser are implemented.

[0012] According to the fifth aspect of the embodiments of the present application, a chip is provided, which stores a computer program, and when the computer program is executed by the chip, the steps of the power calibration method of the fiber laser are implemented.

[0013] The power calibration method of the fiber laser provided by the present application includes: through S1, determining the maximum ideal output power of the target fiber laser, and determining a plurality of ideal reference points according to the maximum ideal output power; S2, selecting any one of the ideal reference points as the ideal reference point to be detected; S3, detecting the output of the target fiber laser according to a preset power meter to obtain the actual output power; S4, adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and executing S2 until all the ideal reference points are selected to complete the calibration of the target fiber laser. The automatic power calibration of the laser is realized, avoiding excessive power consistency deviation, improving the linearity of the output optical power value of the laser, improving the problem of large discreteness of power deviation in the laser, reducing the use process requirements of the laser, and having predictable output optical power. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0015] Figure 1 It is a flowchart of a power calibration method of a fiber laser provided by an embodiment of the present application; Figure 2 It is a data interaction schematic diagram of a power calibration method of a fiber laser provided by an embodiment of the present application; Figure 3 It is a relationship diagram between the electrical signal and the output optical power of a power calibration method of a fiber laser provided by an embodiment of the present application; Figure 4 It is a flowchart of 30% power calibration of software for a power calibration method of a fiber laser provided by an embodiment of the present application; Figure 5 It is the single calibration flowchart of a power calibration method for an optical fiber laser provided by an embodiment of the present application; Figure 6 It is the structural schematic diagram of a power calibration device for an optical fiber laser provided by an embodiment of the present application; Figure 7 It is the structural block diagram of a computing device provided by an embodiment of the present application. Specific embodiments

[0016] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0017] The terms used in one or more embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit one or more embodiments of the present application. The singular forms "a", "said", and "the" used in one or more embodiments of the present application and the appended claims are also intended to include the plural forms unless the context clearly dictates otherwise. It should also be understood that the term "and / or" used in one or more embodiments of the present application refers to and includes any or all possible combinations of one or more of the associated listed items.

[0018] It should be understood that although the terms first, second, etc. may be used in one or more embodiments of the present application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of one or more embodiments of the present application, the first may also be referred to as the second, and similarly, the second may also be referred to as the first.

[0019] In the present application, a power calibration method for an optical fiber laser is provided. The present application also relates to a power calibration device for an optical fiber laser, a computing device, and a computer-readable storage medium, which will be described in detail one by one in the following embodiments.

[0020] Figure 1 The flowchart of a power calibration method for an optical fiber laser provided by an embodiment of the present application is shown, which specifically includes the following steps: S1. Determine the maximum ideal output power of the target optical fiber laser, and determine a plurality of ideal reference points according to the maximum ideal output power; S2. Select any one of the ideal reference points as the ideal reference point to be detected; S3. Detect the output of the target optical fiber laser according to a preset power meter to obtain the actual output power; S4. Adjust the output of the target fiber laser according to the actual output power and the to-be-detected ideal reference points, and execute S2 until all the ideal reference points are selected, thus completing the calibration of the target fiber laser.

[0021] Among them, as Figure 2 shown in the data interaction schematic diagram of a power calibration method for a fiber laser provided, in the figure, the laser is the target fiber laser, the optical power meter is the power meter, and the hardware part during the execution of steps S1 - S4 depends on the data processing device, software operation, data display device, and data storage device. The maximum ideal output power can be understood as the full power output of the target fiber laser.

[0022] Based on this, the data processing device determines multiple ideal reference points according to the maximum ideal output power of the target fiber laser. Then, for any one ideal reference point, such as 30% of the full power output of the target fiber laser, at this time, set the output of the target fiber laser to 30%, collect the actual output power of the target fiber laser through the power meter, record it as the actual output power, and then adjust the output of the target fiber laser according to the relationship between the actual output power and this ideal reference point. After all the ideal reference points are adjusted, the calibration of the target fiber laser is completed.

[0023] Further, in step S1, the process of determining multiple ideal reference points according to the maximum ideal output power, in this embodiment, the specific implementation method is as follows: S11. Determine the power output range of the target fiber laser according to the maximum ideal output power; S12. Determine the division step size according to the detection accuracy of the power meter; S13. Determine multiple ideal reference points in the power output range according to the division step size.

[0024] Among them, due to the combined connection of various optical devices inside the fiber laser, the laser will have different losses, and it is difficult for different percentage powers to reach a linear monotonically increasing linear function. Therefore, representative power percentages are selected as ideal reference points. As Figure 3 shown in the relationship diagram of the electrical signal and the output optical power of a power calibration method for a fiber laser provided, it characterizes the relationship between the electrical signal inside the fiber laser and the output optical power of the whole machine. In the ideal state, the current / power relationship should be the leftmost dotted line. However, from an actual perspective, the fiber laser requires a certain starting current, that is, I th , then the ideal relationship of the fiber laser should be the second dotted line on the left, but due to the reasons mentioned above, the actual current / power relationship of the fiber laser is the solid line in the figure.

[0025] Based on this, in order to "pull" the discrete power curve back to near the ideal curve and achieve a fiber laser with a high degree of consistency in the power output curve during mass production, power calibration is required. From a theoretical perspective, the smaller the division step size is set, the more ideal reference points there are, and the more accurate the result of power calibration will be. However, neither in terms of cost nor in terms of the accuracy of the power meter can an infinite number of ideal reference points be selected. If too many ideal reference points are selected, the power difference between two adjacent ideal reference points is so small that it cannot be accurately identified and distinguished by the power meter. Therefore, the selection of the division step size needs to be based on the detection accuracy of the power meter.

[0026] Furthermore, before step S3, for the output power of the target laser to be calibrated currently, the corresponding initial output power needs to be given to the laser. In this embodiment, the specific implementation method is as follows: Adjust the output power of the target fiber laser according to the ideal reference point to be detected.

[0027] Among them, as Figure 4 shown in the 30% power calibration flowchart of the software for a power calibration method of a fiber laser provided, at this time, the maximum ideal output power of the target fiber laser is 220W, and the ideal reference point to be detected at this time is 30%, that is, 66W. Send a 30% command to the target fiber laser, read the power feedback value, that is, the actual output power, through the power meter, calculate and remember the difference between this power and 66W. If this difference is 0, it indicates that the output of the target fiber laser does not need to be calibrated, and return this difference percentage (30%). If the difference is positive, it means that the output of the target fiber laser is higher than the ideal reference point to be detected at this time, and it needs to be appropriately lowered. Therefore, a negative bias search is performed; on the contrary, if the difference is negative, it means that the output of the target fiber laser is lower than the ideal reference point to be detected at this time, and it needs to be appropriately increased. Therefore, a positive bias search is performed.

[0028] In the case where the above difference is not 0, send the percentage according to the minimum step. This minimum step can be understood as the preset adjustment amplitude. For example, if it is 1%, that is, the difference is positive, then the target fiber laser needs to be adjusted to an output power of 31%. Similarly, if the minimum step is 2% and the difference is positive, then the target fiber laser needs to be adjusted to an output power of 32%.

[0029] In addition, the software can also record the difference between the power before and after sending the percentage at the minimum step and 66W. If the absolute value of the difference shrinks, it proves that further adjustment is still needed. If the percentage of the absolute value of the difference does not shrink, it proves that the calibration is completed at this time, and the minimum difference percentage is returned. The returned difference percentage is memorized by the target fiber laser. In the actual working scenario, when the laser receives the output instruction of the ideal reference point to be detected, it will output according to the minimum difference percentage returned by the ideal reference point to be detected. For example, if the ideal reference point to be detected is 30% and the minimum difference percentage is -3%, then when the target fiber laser receives the instruction of 30% power output, the target fiber laser outputs 27% power externally.

[0030] Further, in S4, the process of adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected is specifically implemented as follows in this embodiment: S41, determine the calibration power upper limit and the calibration power lower limit according to the ideal reference point to be detected; S42, adjust the output power of the fiber laser according to the actual output power, the calibration power upper limit and the calibration power lower limit; S43, execute S3 until the actual output power meets the power calibration requirement.

[0031] Further, in S42, the process of adjusting the output power of the fiber laser according to the actual output power, the calibration power upper limit and the calibration power lower limit is specifically implemented as follows in this embodiment: S411, compare the actual output power with the calibration power upper limit and judge whether the actual output power is greater than the calibration power upper limit. If so, adjust the output power of the fiber laser negatively by a preset unit, and execute S411 until the actual output power is less than the ideal reference point to be detected; If not, compare the actual output power with the calibration power lower limit. When the actual output power is less than the calibration power lower limit, adjust the output power of the fiber laser positively by the preset unit. When the actual output power is not less than the calibration power lower limit, the adjustment is completed.

[0032] Among them, such as Figure 5As shown in the single calibration flow chart of a power calibration method for an optical fiber laser provided, since the target optical fiber laser starts or there is a warm-up process, when a non-compensated light output instruction is issued, first read 5 groups of average power A, and then read 5 groups of average power B. It should be noted that the value ranges of A and B can overlap or not overlap. For example, if the output power of the target optical fiber laser is C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 in sequence over time, then at this time, A is the average value of the five groups of data {C1, C2, C3, C4, C5}, and B is the average value of the 5 groups of data {C6, C7, C8, C9, C10} after the output power corresponding to A; or A is also the average value of the five groups of data {C1, C2, C3, C4, C5}, and B is the average value of the five groups of data {C2, C3, C4, C5, C6} that are closely adjacent and overlapping with the output power corresponding to A.

[0033] After that, compare the magnitude relationship between B and A. If B is greater than A, it proves that the warm-up is still in progress. Assign the data of B to A as the average power at the previous moment, and collect 5 groups of average power at the current moment as B again, and continue to compare; until B is greater than or equal to A, it proves that the warm-up is completed at this time. Compare the currently detected power B, that is, the actual output power with the calibrated power upper limit. If B is greater than the calibrated power upper limit, the output power of the laser needs to be adjusted downwards, and the non-compensated light output instruction is negatively offset by 1 unit, that is, adjust the output power of the optical fiber laser negatively by a preset unit; otherwise, compare B with the calibrated power lower limit. If B is less than the calibrated power lower limit, the output power of the laser needs to be adjusted upwards, and the non-compensated light output instruction is positively offset by 1 unit until B is above the calibrated power lower limit and below the calibrated power upper limit, and record the current compensation unit.

[0034] After the above calibration process is executed once, then execute the calibration action of the next ideal reference point until all calibration points are calibrated. According to actual measurement, in the prior art, for the production data statistics of a 200W laser, the maximum power difference of the laser is 21.7W. The maximum power consistency deviation of the product is more than 10%. After using the above scheme for automatic power calibration, the power consistency deviation of the optical fiber laser can be reduced from more than 10% to less than 1%.

[0035] Corresponding to the above method embodiment, the present application also provides an embodiment of a power calibration device for an optical fiber laser. Figure 6 The structural schematic diagram of a power calibration device for an optical fiber laser provided by an embodiment of the present application is shown. As Figure 6 shown, the device includes: A reference point determination module 602, configured to determine the maximum ideal output power of the target optical fiber laser and determine a plurality of ideal reference points according to the maximum ideal output power; A selection module 604, configured to select any one of the ideal reference points as the ideal reference point to be detected; A detection module 606, configured to detect the output of the target fiber laser according to a preset power meter to obtain the actual output power; An adjustment module 608, configured to adjust the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and call the selection module until all the ideal reference points are selected to complete the calibration of the target fiber laser.

[0036] In an optional embodiment, the reference point determination module 602 is further configured to: Determine the power output range of the target laser according to the maximum ideal output power; determine the division step according to the detection accuracy of the power meter; determine a plurality of ideal reference points in the power output range according to the division step.

[0037] In an optional embodiment, the power calibration device of the fiber laser further includes: An instruction sending module, configured to adjust the output power of the target fiber laser according to the ideal reference point to be detected.

[0038] In an optional embodiment, the adjustment module 608 is further configured to: Determine the calibration power upper limit and the calibration power lower limit according to the ideal reference point to be detected; adjust the output power of the fiber laser according to the actual output power, the calibration power upper limit and the calibration power lower limit; call the detection module 606 until the actual output power meets the power calibration requirement.

[0039] In an optional embodiment, the adjustment module 608 is further configured to: Compare the actual output power with the calibration power upper limit, and determine whether the actual output power is greater than the calibration power upper limit. If so, adjust the output power of the fiber laser negatively by a preset unit, and call the adjustment module 608 until the actual output power is less than the ideal reference point to be detected; if not, compare the actual output power with the calibration power lower limit. When the actual output power is less than the calibration power lower limit, adjust the output power of the fiber laser positively by the preset unit, and when the actual output power is not less than the calibration power lower limit, complete the adjustment.

[0040] The power calibration device of the fiber laser provided by this application determines the maximum ideal output power of the target fiber laser through S1 and determines multiple ideal reference points according to the maximum ideal output power; S2, selects any one of the ideal reference points as the ideal reference point to be detected; S3, detects the output of the target fiber laser according to a preset power meter to obtain the actual output power; S4, adjusts the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and executes S2 until all the ideal reference points are selected to complete the calibration of the target fiber laser. It realizes the automatic power calibration of the laser, avoids excessive power consistency deviation, improves the linearity of the output power value of the laser, improves the problem of large discreteness of power deviation in the laser, reduces the use process requirements of the laser, and has predictable output power.

[0041] The above is a schematic solution of a power calibration device for a fiber laser in this embodiment. It should be noted that the technical solution of the power calibration device for the fiber laser belongs to the same concept as the technical solution of the above-mentioned power calibration method for the fiber laser. For the details not described in detail in the technical solution of the power calibration device for the fiber laser, reference can be made to the description of the technical solution of the above-mentioned power calibration method for the fiber laser. In addition, each component in the device embodiment should be understood as a functional module that must be established to implement each step of the program flow or each step of the method. The device claims defined by such a set of functional modules should be understood as a functional module framework that mainly realizes the solution through the computer program recorded in the specification, rather than an entity device that mainly realizes the solution through hardware.

[0042] Figure 7 The structural block diagram of a computing device 700 provided by an embodiment of the present application is shown. The components of the computing device 700 include, but are not limited to, a memory 710 and a processor 720. The processor 720 is connected to the memory 710 through a bus 730, and a database 750 is used to store data.

[0043] The computing device 700 also includes an access device 740, which enables the computing device 700 to communicate via one or more networks 760. Examples of such networks include the Public Switched Telephone Network (PSTN), Local Area Network (LAN), Wide Area Network (WAN), Personal Area Network (PAN), or a combination of communication networks such as the Internet. The access device 740 may include one or more of any type of wired or wireless network interface (e.g., Network Interface Card (NIC)), such as an IEEE802.11 Wireless Local Area Network (WLAN) wireless interface, Worldwide Interoperability for Microwave Access (Wi-MAX) interface, Ethernet interface, Universal Serial Bus (USB) interface, cellular network interface, Bluetooth interface, Near Field Communication (NFC) interface, and so on.

[0044] In one embodiment of the present application, the above components of the computing device 700 and Figure 7 other components not shown therein may also be connected to each other, for example, via a bus. It should be understood that Figure 7 the structural block diagram of the computing device shown is only for illustrative purposes and is not a limitation on the scope of the present application. Those skilled in the art can add or replace other components as needed.

[0045] The computing device 700 can be any type of stationary or mobile computing device, including mobile computers or mobile computing devices (e.g., tablet computers, personal digital assistants, laptop computers, notebook computers, netbooks, etc.), mobile phones (e.g., smartphones), wearable computing devices (e.g., smartwatches, smart glasses, etc.) or other types of mobile devices, or stationary computing devices such as desktop computers or PCs. The computing device 700 can also be a mobile or stationary server.

[0046] Wherein, the processor 720 is used to execute the computer-executable instructions for each step of the power calibration method of the fiber laser.

[0047] The above is a schematic solution of a computing device in this embodiment. It should be noted that the technical solution of this computing device and the technical solution of the above power calibration method of the fiber laser belong to the same concept. For the details not described in the technical solution of the computing device, reference can be made to the description of the technical solution of the above power calibration method of the fiber laser.

[0048] One embodiment of the present application also provides a computer-readable storage medium, which stores computer instructions that, when executed by a processor, are used to execute each step of the power calibration method of the fiber laser.

[0049] The above is a schematic solution of a computer-readable storage medium according to this embodiment. It should be noted that the technical solution of this storage medium and the technical solution of the above power calibration method of the fiber laser belong to the same concept. For the details not described in the technical solution of the storage medium, reference can be made to the description of the technical solution of the above power calibration method of the fiber laser.

[0050] An embodiment of the present application further provides a chip, which stores a computer program. When the computer program is executed by the chip, the steps of the power calibration method of the fiber laser are implemented.

[0051] The above describes specific embodiments of the present application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve the desired result. Additionally, the processes depicted in the figures do not necessarily require the particular order or sequential order shown to achieve the desired result. In certain embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0052] The computer instructions include computer program code, and the computer program code may be in the form of source code, object code, executable file, or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disk, computer memory, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electrical carrier signal, telecommunication signal, and software distribution medium, etc. It should be noted that the content included in the computer-readable medium may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction. For example, in some jurisdictions, according to legislation and patent practice, the computer-readable medium does not include electrical carrier signals and telecommunication signals.

[0053] It should be noted that for the foregoing method embodiments, for the sake of simplicity of description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily all essential to the present application.

[0054] In the above embodiments, the descriptions of each embodiment have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0055] The preferred embodiments of the present application disclosed above are only used to help illustrate the present application. The alternative embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of the present application. These embodiments are selected and specifically described in the present application to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is only limited by the claims and their full scope and equivalents.

Claims

1. A method for calibrating power of a fiber laser, characterized in that: include: S1, determining the maximum ideal output power of the target fiber laser, and determining a plurality of ideal reference points according to the maximum ideal output power; S2, selecting any one of the ideal reference points as the ideal reference point to be detected; S3, detecting the output of the target fiber laser according to a preset power meter to obtain an actual output power; S4, adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and executing S2 until all the ideal reference points are selected, thereby completing the calibration of the target fiber laser.

2. The power calibration method of the optical fiber laser according to claim 1, characterized in that: In S1, determining a plurality of ideal reference points according to the maximum ideal output power includes: S11, determining a power output range of the target fiber laser according to the maximum ideal output power; S12, determining a division step size according to the detection accuracy of the power meter; S13: determining a plurality of ideal reference points in the power output interval according to the division step size.

3. The power calibration method of the optical fiber laser according to claim 1, characterized in that: Before S3, it also includes: The output power of the target fiber laser is adjusted according to the ideal reference point to be detected.

4. The power calibration method of the optical fiber laser according to claim 1, characterized in that: In S4, adjusting the output of the target fiber laser according to the actual output power and the ideal reference point to be detected includes: S41, determining a calibrated power upper limit and a calibrated power lower limit according to the ideal reference point to be detected; S42, adjusting the output power of the fiber laser according to the actual output power, the calibrated power upper limit and the calibrated power lower limit; S43, executing S3 until the actual output power meets the power calibration requirement.

5. The power calibration method of the optical fiber laser according to claim 4, characterized in that: In S42, adjusting the output power of the fiber laser according to the actual output power, the calibrated power upper limit and the calibrated power lower limit includes: S411, comparing the actual output power with the calibrated power upper limit, and determining whether the actual output power is greater than the calibrated power upper limit, If yes, adjust the output power of the fiber laser to be negatively biased by a preset unit, and execute S411 until the actual output power is less than the ideal reference point to be detected; If not, compare the actual output power with the calibrated power lower limit. When the actual output power is less than the calibrated power lower limit, adjust the output power of the fiber laser to be positive by one of the preset units. When the actual output power is not less than the calibrated power lower limit, complete the adjustment.

6. A power calibration device for a fiber laser, characterized in that: include: A reference point determination module is configured to determine a maximum ideal output power of a target fiber laser and determine a plurality of ideal reference points according to the maximum ideal output power; A selection module is configured to select any one of the ideal reference points as the ideal reference point to be detected; A detection module is configured to detect the output of the target fiber laser according to a preset power meter to obtain an actual output power; The adjustment module is configured to adjust the output of the target fiber laser according to the actual output power and the ideal reference point to be detected, and call the selection module until all the ideal reference points are selected to complete the calibration of the target fiber laser.

7. A computing device, characterized in that include: Memory and processor; The memory is used to store computer executable instructions, and the processor is used to execute the computer executable instructions to implement the steps of the power calibration method of the optical fiber laser according to any one of claims 1 to 5.

8. A computer-readable storage medium storing computer instructions, characterized in that: When the instruction is executed by a processor, the steps of the power calibration method of a fiber laser according to any one of claims 1 to 5 are implemented.

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