LIBS diaphragm system

Abstract

The invention discloses an LIBS (laser-induced breakdown spectroscopy) diaphragm system. The LIBS diaphragm system comprises: an optical interface regulation and control module, which is used for collecting LIBS signals; the spatial mode multiplexing module is used for performing spatial multiplexing on the LIBS signals acquired by the optical interface regulation and control module by utilizing a few-mode optical fiber, orbital angular momentum and / or an annular core optical fiber; the adaptive optics and beam forming module is used for correcting signal loss caused by vibration or alignment errors in real time; the dispersion and interference management module is used for managing dispersion and cross channel interference of the LIBS signal in the transmission process; and the environment adaptability enhancing module is used for improving the stability and the service life of the diaphragm. Through the mode, the problem of low collection efficiency of a traditional diaphragm is solved.

Description

Technical Field

[0001] This application relates to the technical field of LIBS window wafers, and particularly to a LIBS window wafer system. Background Art

[0002] Traditional industrial on-line LIBS (Laser Induced Breakdown Spectroscopy) devices, especially in harsh environments such as iron ore production lines in steel mills (operating 24 hours continuously), face the problem of contamination of window wafers by dust and water vapor. These contaminations interact with the laser, resulting in damage to the window wafers, shortening their service life, and the replacement process is complex with potential safety hazards.

[0003] Although existing LIBS window wafers can meet the basic optical transmittance requirements, they are difficult to work stably for a long time in harsh environments. At the same time, with the development of high-speed and high-capacity optical communication technologies, how to improve the efficiency and reliability of existing optical systems has become a key issue. Summary of the Invention

[0004] The LIBS window wafer system provided by this application solves the problem of low acquisition efficiency of traditional window wafers.

[0005] In a first aspect, this application provides a LIBS window wafer system, which includes: an optical interface regulation module for collecting LIBS signals; a spatial mode multiplexing module for spatially multiplexing the LIBS signals collected by the optical interface regulation module using few-mode fibers, orbital angular momentum, and / or ring-core fibers; an adaptive optics and beamforming module for real-time correction of signal loss caused by vibration or alignment errors; a dispersion and interference management module for managing the dispersion and cross-channel interference of LIBS signals during transmission; and an environmental adaptability enhancement module for improving the stability and service life of the window wafer.

[0006] Among them, the optical interface regulation module includes a central laser emission area and an annular LIBS signal collection area; among them, a laser protection lens is provided in the central laser emission area, and the glass sheet in the annular LIBS signal collection area can transmit signals in the range of 200 - 1100 nm.

[0007] Among them, the laser protection lens and the glass sheet are coupled through a combined structural member.

[0008] Among them, the combined structural member includes a first structural member and a second structural member. The glass sheet is sleeved on the first structural member, and the first structural member has a boss structure.

[0009] Among them, the second structural member is coupled with the first structural member, and the laser protection lens is disposed between the second structural member and the first structural member.

[0010] Among them, the spatial mode multiplexing module includes: a few-mode fiber for signal acquisition using multiple spatial modes; an orbital angular momentum unit for simultaneous multiplexed signal acquisition using orbital angular momentum modes; and / or a ring-core fiber for supporting high-order OAM modes.

[0011] Among them, the adaptive optics and beamforming module includes: an adaptive optics unit for real-time correction of signal loss caused by alignment errors; a zero-force beamforming unit for pre-coding at the transmitting end to reduce inter-modal crosstalk.

[0012] Among them, the dispersion and interference management module includes: a dispersion management unit for managing the dispersion of LIBS signals during transmission; a cross-signal interference control unit for reducing interference between different spatial modes.

[0013] Among them, the environmental adaptability enhancement module is used to form a nano-layer on the surface of the window plate using nano-coating technology.

[0014] The beneficial effects of this application are as follows: Different from the prior art, the LIBS window plate system provided by this application. The LIBS window plate system includes: an optical interface regulation module for collecting LIBS signals; a spatial mode multiplexing module for spatially multiplexing the LIBS signals collected by the optical interface regulation module using a few-mode fiber, orbital angular momentum, and / or a ring-core fiber; an adaptive optics and beamforming module for real-time correction of signal loss caused by vibration or alignment errors; a dispersion and interference management module for managing the dispersion and cross-channel interference of LIBS signals during transmission; an environmental adaptability enhancement module for improving the stability and lifespan of the window plate. It solves the problem of low acquisition efficiency of traditional window plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of this application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them: Figure 1 is a schematic structural diagram of an embodiment of the LIBS window plate system provided by this application; Figure 2 is a schematic structural diagram of an embodiment of the optical interface regulation module provided by this application; Figure 3 is Figure 2 a schematic structural diagram of another angle of the optical interface regulation module of Figure 4 is Figure 3Schematic cross-sectional view of the optical interface control module; Figure 5 It is a schematic structural diagram of an embodiment of the spatial mode multiplexing module provided by this application; Figure 6 It is a schematic structural diagram of an embodiment of the adaptive optics and beamforming module provided by this application; Figure 7 It is a schematic structural diagram of an embodiment of the dispersion and interference management module provided by this application. Detailed implementation manners

[0016] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application. It can be understood that the specific embodiments described herein are only used to explain this application, rather than limiting this application. Additionally, it should be noted that for the sake of description, only parts related to this application rather than all structures are shown in the accompanying drawings. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of this application.

[0017] Referring to "embodiment" in this article means that the specific features, structures, or characteristics described in conjunction with the embodiment can be included in at least one embodiment of this application. The appearance of this phrase in various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0018] Traditional industrial on-line LIBS (Laser Induced Breakdown Spectroscopy) devices, especially in harsh environments such as iron ore production lines in steel mills (operating 24 hours a day without interruption), face the problem of contamination of the window by dust and water vapor. These contaminations interact with the laser, resulting in damage to the window, shortening its service life, and the replacement process is complex, presenting potential safety hazards.

[0019] Although existing LIBS window pieces can meet the basic optical transmittance requirements, it is difficult to work stably for a long time in harsh environments. At the same time, with the development of high-speed and high-capacity optical communication technologies, how to improve the efficiency and reliability of existing optical systems has become a key issue.

[0020] The present application proposes a LIBS window slice system, which includes: an optical interface regulation module for collecting LIBS signals; a spatial mode multiplexing module for spatially multiplexing the LIBS signals collected by the optical interface regulation module using few-mode fibers, orbital angular momentum, and / or ring-core fibers; an adaptive optics and beamforming module for real-time correction of signal loss caused by vibration or alignment errors; a dispersion and interference management module for managing the dispersion and cross-channel interference of LIBS signals during transmission; and an environmental adaptability enhancement module for improving the stability and lifespan of the window slice. The problem of low acquisition efficiency of traditional window slices is solved. For details, refer to any of the following embodiments.

[0021] Refer to Figure 1 , Figure 1 FIG. is a schematic structural diagram of an embodiment of the LIBS window slice system provided by the present application. The LIBS window slice system 100 includes: an optical interface regulation module 10, a spatial mode multiplexing module 20, an adaptive optics and beamforming module 30, a dispersion and interference management module 40, and an environmental adaptability enhancement module 50.

[0022] The optical interface regulation module 10 is used for collecting LIBS signals.

[0023] In combination with Figure 2 , Figure 3 and Figure 4 it is described as follows: Among them, the optical interface regulation module 10 includes a central laser emission area 11 and an annular LIBS signal collection area 12; among them, a laser protection lens 111 is provided in the central laser emission area 11, and the glass sheet 121 of the annular LIBS signal collection area 12 can transmit signals in the range of 200 - 1100 nm.

[0024] Among them, the laser protection lens 111 and the glass sheet 121 are coupled through a combined structural member 13.

[0025] Among them, the combined structural member 13 includes a first structural member 131 and a second structural member 132. The glass sheet 121 is sleeved on the first structural member 131, and the first structural member 131 has a boss structure.

[0026] Among them, the second structural member 132 is coupled with the first structural member 131, and the laser protection lens 111 is disposed between the second structural member 132 and the first structural member 131.

[0027] Such as Figure 2 , Figure 3 and Figure 4As shown, the window piece for the LIBS emission area is replaced with a laser protection lens. On the one hand, it improves the laser transmittance, and on the other hand, it increases the service life of the window piece. At the same time, the unique boss structure helps prevent dust accumulation and keeps the center laser lens clean. The unique coupling structure of the combined structural member 13 ensures the airtightness of the window piece while connecting the two lenses (laser protection lens 111 and glass piece 121), preventing gas from flowing and interacting on both sides of the window piece. The special window piece for LIBS signal passage has good transmittance and heat resistance for ultraviolet, visible, and near-infrared signals (200 - 1100 nm), which is beneficial for the LIBS signal acquisition of the sample.

[0028] The optical interface regulation module 10 is responsible for realizing the optical functions of the window piece, including the high-efficiency incidence of the laser and the high-efficiency acquisition of the LIBS signal.

[0029] The technical means mainly lie in: multi-layer structure design, special material selection, micro-structure design, and coupling structure.

[0030] The multi-layer structure design mainly optimizes the optical performance of different bands by adopting a multi-layer structure (central laser emission area 11 and annular LIBS signal acquisition area 12).

[0031] The special material selection mainly involves selecting a high-transmittance laser protection lens and a special glass piece with good transmittance for the ultraviolet, visible, and near-infrared bands (200 - 1100 nm).

[0032] The micro-structure design mainly adopts a unique boss structure, using the principle of aerodynamics to reduce dust accumulation and keep the optical interface clean.

[0033] The coupling structure mainly uses the combined structural member 13 and the unique coupling structure to connect the two lenses, achieving airtightness and structural stability.

[0034] The relationship with other modules is mainly reflected in that this module provides a basic optical function platform for other modules and is the basis for realizing high-efficiency and high-reliability signal transmission.

[0035] The spatial mode multiplexing module 20 is used to perform spatial multiplexing on the LIBS signal collected by the optical interface regulation module using few-mode fibers, orbital angular momentum, and / or ring-core fibers.

[0036] In some embodiments, referring to Figure 5 , the spatial mode multiplexing module 20 includes: few-mode fiber 21, orbital angular momentum unit 22, and ring-core fiber 23.

[0037] The few-mode fiber 21 is used to collect signals using multiple spatial modes.

[0038] The orbital angular momentum unit 22 is used for simultaneous acquisition of multiplex signals using orbital angular momentum modes.

[0039] The annular core fiber 23 is used to support high-order OAM (Orbital Angular Momentum) modes.

[0040] The spatial mode multiplexing module 20 is responsible for improving the acquisition efficiency of LIBS signals and data throughput.

[0041] The technical means mainly lie in introducing few-mode fibers, orbital angular momentum, and annular core fibers.

[0042] The few-mode fiber mainly introduces few-mode fibers, uses multiple spatial modes for signal acquisition, and increases signal collection channels.

[0043] The orbital angular momentum mainly uses orbital angular momentum modes to achieve simultaneous acquisition of multiplex signals and improve data transmission capabilities.

[0044] The annular core fiber mainly adopts annular core fibers to support high-order OAM modes, further enhancing spatial multiplexing capabilities and reducing inter-mode crosstalk.

[0045] Relationship with other modules: The spatial mode multiplexing module 20 performs spatial multiplexing on the signals collected by the optical interface regulation module 10, improves signal collection efficiency, and at the same time provides a processing object for multi-mode signals to the adaptive optics and beamforming module 30. It relies on the preliminary signal acquisition provided by the optical interface regulation module 10 and works in cooperation with the adaptive optics and beamforming module 30 to ensure reliable signal transmission in complex environments.

[0046] The adaptive optics and beamforming module 30 is used to correct signal losses caused by vibration or alignment errors in real time.

[0047] In some embodiments, referring to Figure 6 , the adaptive optics and beamforming module 30 includes: an adaptive optics unit 31 and a zero-force beamforming unit 32.

[0048] The adaptive optics unit 31 is used to correct signal losses caused by alignment errors in real time.

[0049] The zero-force beamforming unit 32 is used to adopt a precoding method at the transmitting end to reduce inter-mode crosstalk.

[0050] The adaptive optics and beamforming module 30 is responsible for correcting signal losses caused by vibration or alignment errors in real time to ensure stable signal transmission.

[0051] The technical means mainly lie in: adaptive optics, zero-force beamforming.

[0052] Adaptive optics mainly integrates micro adjustable optical elements to correct alignment errors in real time and maintain good coupling efficiency.

[0053] Zero-force beamforming mainly uses precoding at the transmitting end to reduce intermodal crosstalk and improve signal quality.

[0054] Relationship with other modules: This module is closely integrated with the spatial mode multiplexing module 20 to ensure the stability of multimode signals during transmission. It utilizes the initial signal provided by the optical interface regulation module 10, processes the multimode signals output by the spatial mode multiplexing module 20, and uses zero-force beamforming technology to reduce intermode interference, ensuring the clarity and reliability of the final signal. It relies on the initial signal provided by the optical interface regulation module 10 and cooperates with the spatial mode multiplexing module 20 to ensure the stable transmission of signals.

[0055] The dispersion and interference management module 40 is used to manage the dispersion and cross-channel interference of LIBS signals during transmission.

[0056] In some embodiments, refer to Figure 7 , the dispersion and interference management module 40 includes: a dispersion management unit 41 and a cross-signal interference control unit 42.

[0057] The dispersion management unit 41 is used to manage the dispersion of LIBS signals during transmission.

[0058] The cross-signal interference control unit 42 is used to reduce the interference between different spatial modes.

[0059] The dispersion and interference management module 40 is responsible for managing the dispersion and cross-channel interference of signals during transmission to ensure the integrity of the signals.

[0060] The technical means mainly lie in: dispersion management and cross-channel interference control.

[0061] Dispersion management mainly reduces the impact of dispersion on signal quality through the careful design of optical elements within the window slice.

[0062] Cross-channel interference control mainly uses special designs to reduce the interference between different spatial modes and ensure the independent transmission of signals in each mode.

[0063] Relationship with other modules: This module optimizes the signals processed by the optical interface regulation module 10, the spatial mode multiplexing module 20, and the adaptive optics and beamforming module 30 to ensure the quality and integrity of the signals during transmission, providing high-quality data for the final LIBS analysis. It plays a role in quality control in the entire system.

[0064] The environmental adaptability enhancement module 50 is used to improve the stability and lifespan of the window slice.

[0065] Among them, the environmental adaptability enhancement module is used to form a nano-layer on the surface of the window chip by using nano-coating technology.

[0066] The environmental adaptability enhancement module 50 is responsible for improving the stability and lifespan of the window chip in harsh industrial environments.

[0067] The technical means mainly lie in: material optimization and nano-coating technology.

[0068] Material optimization mainly involves selecting special glass materials with good thermal stability and corrosion resistance.

[0069] The nano-coating technology mainly uses nano-coating technology to reduce the adhesion of dust, enhance the self-cleaning ability, and improve the wear resistance.

[0070] Relationship with other modules: This module provides a basic guarantee for all other modules, ensuring the stable operation of the entire system in harsh environments. The optimization of materials and processes directly affects the lifespan and reliability of the entire system.

[0071] Direct relationship and combination between technical means: The optical interface regulation module 10 is the foundation: The optical interface regulation module 10, as the basic module, is responsible for the initial optical signal processing and provides a signal source for subsequent modules.

[0072] The spatial mode multiplexing module 20 performs signal multiplexing: The spatial mode multiplexing module 20 uses multi-mode transmission technology to increase the signal acquisition channels, which is an expansion of the function of the optical interface regulation module 10.

[0073] The adaptive optics and beamforming module 30 performs dynamic correction: The adaptive optics and beamforming module 30 uses adaptive optics and ZFBF technology to dynamically correct the signal distortion caused by environmental factors, which is an optimization of the spatial mode multiplexing module 20.

[0074] The dispersion and interference management module 40 manages the signal quality: The dispersion and interference management module 40 optimizes the signal to reduce dispersion and channel interference.

[0075] The environmental adaptability management module 50 provides environmental adaptability: The environmental adaptability management module 50 provides overall stability and reliability guarantees, ensuring that the entire system can operate stably in various harsh environments.

[0076] The combination method of the LIBS window chip system 100 of this application is summarized as follows: Hierarchical combination: The optical interface control module 10 is the foundation. The spatial mode multiplexing module 20 expands the signal acquisition ability on the basis of the optical interface control module 10. The adaptive optics and beamforming module 30 increases the signal stability and reliability on the basis of the spatial mode multiplexing module 20. The dispersion and interference management module 40 ensures signal quality, while the environmental adaptability management module 50 provides environmental adaptability for the entire system.

[0077] Collaborative combination: The functions of each module are not independent but collaborative. For example, adaptive optics requires a multi-layer structure and FMF (few-mode fiber) to provide a multi-mode signal basis, while zero-force beamforming requires adaptive optics to provide a stable signal transmission channel, and materials and processes ensure the long-term stable operation of all modules.

[0078] Function complementary combination: The functions of each module are complementary. For example, the optical interface control module 10 focuses on optical performance, while the environmental adaptability enhancement module 50 focuses on environmental adaptability. The spatial mode multiplexing module 20 focuses on improving signal acquisition efficiency, while the adaptive optics and beamforming module 30 focuses on improving the reliability of signal transmission.

[0079] The technical effects of the LIBS window chip system 100 of this application are as follows: Significantly extend the life of the window chip: The multi-layer structure, boss design, and material optimization significantly reduce the erosion of dust and water vapor, and extend the service life of the window chip.

[0080] Improve the LIBS signal acquisition efficiency: Adopt multi-mode fiber and OAM mode multiplexing technology to increase signal collection channels and improve data throughput.

[0081] Enhance the system robustness: Adaptive optics and zero-force beamforming technology effectively compensate for alignment errors and improve the stability of the system in complex environments.

[0082] Reduce the maintenance cost: The self-cleaning structure design and long-life material selection reduce the maintenance frequency and lower the operating cost.

[0083] Improve the system performance: Dispersion management and cross-channel interference control ensure the transmission quality of signals and improve the measurement accuracy.

[0084] High compatibility: The new window chip design is compatible with existing LIBS devices, facilitating upgrade and transformation.

[0085] The non-obviousness of the LIBS window chip system 100 of this application is as follows: Cross - domain technology integration: Innovatively applying technologies such as spatial division multiplexing, few - mode fiber, orbital angular momentum, adaptive optics, and zero - force beamforming in the field of optical communication to the design of LIBS window chips is a cross - domain technology integration, which is not an obvious practice for those skilled in the art.

[0086] Multi - function integration: Integrating multiple functions such as optical protection, signal acquisition, self - cleaning, alignment error compensation, and dispersion management of the window chip requires innovative structural design and material selection. This multi - function integration is not a simple superposition.

[0087] Adaptability to complex environments: Through in - depth analysis of harsh industrial environments and targeted design solutions, the pain points of traditional LIBS window chips are solved, and it has unique environmental adaptability. This design is not easily conceived by those skilled in the art.

[0088] Overall optimization effect: The various technical solutions cooperate with each other to form an overall optimization effect, significantly improving the performance of the window chip. This overall optimization effect is not a simple combination of technologies.

[0089] Miniaturization and practicality: Integrating multiple advanced technologies into a miniature window chip and ensuring its practicality in the actual industrial environment requires innovative structures and material selection. Achieving the combination of miniaturization and practicality is not easy.

[0090] Furthermore, the LIBS window chip system 100 of the present application as a whole has the following effects and can solve corresponding technical problems.

[0091] Combination of the optical interface regulation module 10 and the spatial mode multiplexing module 20: The optical interface regulation module 10 provides a basic optical platform: The optical interface regulation module 10 realizes the efficient incidence of laser and the efficient acquisition of LIBS signals through multi - layer structure design (central laser emission area and annular LIBS signal acquisition area) and special material selection.

[0092] The spatial mode multiplexing module 20 expands the signal acquisition ability: The spatial mode multiplexing module 20 introduces few - mode fiber (FMF) and orbital angular momentum (OAM) technologies, and uses multiple spatial modes for signal acquisition, thus breaking through the limitation of traditional single - channel acquisition and significantly improving the signal collection efficiency and data throughput.

[0093] Combination effect: The optical interface regulation module 10 is responsible for the initial optical signal processing, while the spatial mode multiplexing module 20 increases the signal acquisition channels based on this through spatial multiplexing technology, enabling more LIBS signals to be effectively captured and transmitted, thus solving the problem of low acquisition efficiency of traditional window chips.

[0094] Technical problem solving: Traditional window chips have low efficiency due to relying only on single-channel acquisition and are vulnerable to environmental factors. The combination of the optical interface regulation module 10 and the spatial mode multiplexing module 20, however, greatly improves the signal acquisition efficiency and anti-interference ability through multi-channel acquisition and spatial multiplexing.

[0095] Combination of the adaptive optics and beamforming module (adaptive optics and beamforming module 30) and the optical interface regulation module 10 / spatial mode multiplexing module 20: The adaptive optics and beamforming module 30 dynamically corrects signals: The adaptive optics and beamforming module 30 integrates adaptive optics elements and zero-force beamforming (ZFBF) technology, which can correct signal losses caused by vibration and alignment errors in real time.

[0096] The optical interface regulation module 10 / spatial mode multiplexing module 20 provides a multi-mode signal basis: The optical interface regulation module 10 / spatial mode multiplexing module 20 provides the acquisition and transmission of multi-mode signals, providing a processing object for the adaptive optics and beamforming module 30.

[0097] Combination produces effects: The adaptive optics and beamforming module 30 corrects alignment errors in real time and maintains good coupling efficiency; at the same time, ZFBF can reduce interference in multi-mode transmission and improve signal quality, thus ensuring the reliable transmission of multi-mode signals in complex environments.

[0098] Technical problem solving: In industrial environments, equipment vibration and alignment errors are common problems that can lead to signal loss and unstable transmission. The combination of the adaptive optics and beamforming module 30 and the optical interface regulation module 10 / spatial mode multiplexing module 20 solves the problem of signal distortion caused by environmental factors through dynamic correction and beamforming, ensuring signal stability and reliability.

[0099] Combination of the dispersion and interference management module (dispersion and interference management module 40) and the optical interface regulation module 10 / spatial mode multiplexing module 20 / adaptive optics and beamforming module 30: The dispersion and interference management module 40 manages signal quality: The dispersion and interference management module 40 reduces the impact of dispersion on signal quality and reduces cross-channel interference (XCI) between different spatial modes through special design, ensuring the independent transmission of signals in each mode.

[0100] Optical Interface Regulation Module 10 / Spatial Mode Multiplexing Module 20 / Adaptive Optics and Beamforming Module 30 Transmission Signal: The Optical Interface Regulation Module 10 / Spatial Mode Multiplexing Module 20 / Adaptive Optics and Beamforming Module 30 are responsible for signal acquisition, multiplexing, and correction, but there are still risks of dispersion and interference during transmission.

[0101] Combined Effect: The Dispersion and Interference Management Module 40 optimizes the signals processed by the Optical Interface Regulation Module 10, Spatial Mode Multiplexing Module 20, and Adaptive Optics and Beamforming Module 30, ensuring the quality and integrity of the signals during transmission.

[0102] Technical Problem Solving: Dispersion and interference will occur during signal transmission, affecting signal quality. The combination of the Dispersion and Interference Management Module 40 with the Optical Interface Regulation Module 10 / Spatial Mode Multiplexing Module 20 / Adaptive Optics and Beamforming Module 30 solves the problems of dispersion and interference during signal transmission, ensuring the accuracy and reliability of the final LIBS analysis data. This is similar to the research on dispersion management and control of XCI in fiber optic networks. Combination of the Environmental Adaptability Enhancement Module (Environmental Adaptability Management Module 50) with all other modules: The Environmental Adaptability Management Module 50 provides environmental adaptability guarantee: The Environmental Adaptability Management Module 50 selects special glass materials with good thermal stability and corrosion resistance through material optimization and nano-coating technology, reduces dust adhesion, enhances self-cleaning ability, and improves wear resistance.

[0103] Other modules rely on the guarantee of the Environmental Adaptability Management Module 50: The functions of other modules (Optical Interface Regulation Module 10, Spatial Mode Multiplexing Module 20, Adaptive Optics and Beamforming Module 30, Dispersion and Interference Management Module 40) all require stable materials and processes as support.

[0104] Combined Effect: The Environmental Adaptability Management Module 50 provides a basic guarantee for all other modules, ensuring that the entire system can operate stably for a long time in a harsh industrial environment.

[0105] Technical Problem Solving: Harsh conditions such as high temperature, high humidity, and dust in the industrial environment will affect the lifespan and performance of the window pane. The combination of the Environmental Adaptability Management Module 50 with other modules solves the problem that the window pane is easily damaged in a harsh environment, improving the reliability and lifespan of the entire system.

[0106] In several embodiments provided by the present application, it should be understood that the disclosed methods and devices can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0107] If the integrated unit in the above-mentioned other embodiments is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or all or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical discs that can store program codes.

[0108] The above are only the embodiments of the present application, and do not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present application.

Claims

1. A LIBS window system, characterized in that: The LIBS window system comprises: Optical interface control module, used to collect LIBS signals; A spatial mode multiplexing module, used for spatially multiplexing the LIBS signal collected by the optical interface control module using few-mode fiber, orbital angular momentum and / or ring-core fiber; Adaptive optics and beamforming modules to correct signal loss due to vibration or alignment errors in real time; A dispersion and interference management module, used to manage the dispersion and cross-channel interference of the LIBS signal during transmission; Environmental adaptability enhancement module is used to improve the stability and life of the window.

2. The LIBS window system according to claim 1, characterized in that: The optical interface control module includes a central laser emitting area and a circular LIBS signal collection area; wherein the central laser emitting area is provided with a laser protection lens, and the glass sheet of the circular LIBS signal collection area can transmit signals of 200-1100nm.

3. The LIBS window system according to claim 2, characterized in that: The laser protection lens and the glass sheet are coupled via a combined structural component.

4. The LIBS window system according to claim 3, characterized in that: The combined structural component comprises a first structural component and a second structural component. The glass sheet is sleeved on the first structural component, and the first structural component is a boss structure.

5. The LIBS window system according to claim 4, characterized in that: The second structural member is coupled to the first structural member, and the laser protection lens is arranged between the second structural member and the first structural member.

6. The LIBS window system according to claim 1, characterized in that: The spatial mode multiplexing module comprises: Few-mode fiber, for signal acquisition using multiple spatial modes; An orbital angular momentum unit, used for simultaneously collecting multiple signals using an orbital angular momentum mode; and / or ring core fibers to support higher order OAM modes.

7. The LIBS window system according to claim 1, characterized in that: The adaptive optics and beamforming module comprises: Adaptive optics unit for real-time correction of signal loss caused by alignment errors; The zero-force beamforming unit is used to adopt precoding at the transmitting end to reduce inter-mode crosstalk.

8. The LIBS window system according to claim 1, characterized in that: The dispersion and interference management module includes: A dispersion management unit, used to manage the dispersion of the LIBS signal during transmission; Cross-signal interference control unit is used to reduce interference between different spatial modes.

9. The LIBS window system according to claim 1, characterized in that: The environmental adaptability enhancement module is used to form a nano layer on the surface of the window piece by using nano coating technology.

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