LIBS window system

Abstract

This application discloses a LIBS window system. The LIBS window system includes: an optical interface control module for collecting LIBS signals; a spatial mode multiplexing module for spatially multiplexing the LIBS signals collected by the optical interface control module using few-mode fiber, orbital angular momentum, and / or 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; and an environmental adaptability enhancement module for improving the stability and lifespan of the window. Through the above approach, the problem of low acquisition efficiency of traditional windows is solved.

Description

Technical Field

[0001] The present application relates to the field of LIBS window technology, and in particular to a LIBS window system. Background Art

[0002] Traditional industrial online LIBS (Laser Induced Breakdown Spectroscopy) equipment, particularly in harsh environments like steel mills and iron ore production lines (operating 24 / 7), faces the problem of window contamination from dust and moisture. This contamination interacts with the laser, damaging the windows and shortening their service life. Replacement is also complex and poses safety risks.

[0003] While existing LIBS windows can meet basic optical transmittance requirements, they struggle to maintain long-term stability in harsh environments. Furthermore, with the advancement of high-speed, high-capacity optical communication technologies, improving the efficiency and reliability of existing optical systems has become a key issue. Summary of the Invention

[0004] The LIBS window system provided in this application solves the problem of low acquisition efficiency of traditional windows.

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

[0006] Among them, the optical interface control module includes a central laser emission area and a circular LIBS signal collection area; among them, the central laser emission 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.

[0007] The laser protection lens and the glass sheet are coupled through a combined structural component.

[0008] 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 is a boss structure.

[0009] 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.

[0010] Among them, the spatial mode multiplexing module includes: few-mode optical fiber, which is used to collect signals using multiple spatial modes; orbital angular momentum unit, which is used to collect multiple signals simultaneously using orbital angular momentum modes; and / or ring-core optical fiber, which is used to support high-order OAM modes.

[0011] Among them, the adaptive optics and beamforming module includes: an adaptive optics unit, which is used to correct the signal loss caused by alignment error in real time; and a zero-force beamforming unit, which is used to adopt a precoding method at the transmitting end to reduce inter-mode crosstalk.

[0012] The dispersion and interference management module includes: a dispersion management unit, which is used to manage the dispersion of LIBS signals during transmission; and a cross-signal interference control unit, which is used to reduce 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 piece using nano coating technology.

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

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without inventive efforts. Among them:

[0016] Figure 1 This is a structural diagram of an embodiment of the LIBS window system provided by the present application;

[0017] Figure 2 This is a structural diagram of an embodiment of an optical interface control module provided by the present application;

[0018] Figure 3 yes Figure 2 A structural diagram of the optical interface control module from another angle;

[0019] Figure 4 yes Figure 3 A cross-sectional schematic diagram of an optical interface control module;

[0020] Figure 5 This is a structural diagram of an embodiment of a spatial mode multiplexing module provided by the present application;

[0021] Figure 6 1 is a schematic structural diagram of an embodiment of an adaptive optics and beamforming module provided by the present application;

[0022] Figure 7 It is a structural diagram of an embodiment of the dispersion and interference management module provided in this application. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some, rather than all, structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0024] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] Traditional industrial online LIBS (Laser Induced Breakdown Spectroscopy) equipment, particularly in harsh environments like steel mills and iron ore production lines (operating 24 / 7), faces the problem of window contamination from dust and moisture. This contamination interacts with the laser, damaging the windows and shortening their service life. Replacement is also complex and poses safety risks.

[0026] While existing LIBS windows can meet basic optical transmittance requirements, they struggle to maintain long-term stability in harsh environments. Furthermore, with the advancement of high-speed, high-capacity optical communication technologies, improving the efficiency and reliability of existing optical systems has become a key issue.

[0027] This application proposes a LIBS window system, which includes: an optical interface control module for collecting LIBS signals; a spatial mode multiplexing module for spatially multiplexing the LIBS signals collected by the optical interface control module using few-mode fiber, orbital angular momentum, and / or 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; and an environmental adaptability enhancement module for improving the stability and lifespan of the window. This system solves the problem of low acquisition efficiency of traditional windows. Please refer to any of the following embodiments for details.

[0028] See Figure 1 , Figure 1 FIG1 is a schematic diagram of the structure of an embodiment of the LIBS window system provided by the present application. The LIBS window system 100 includes: an optical interface control 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.

[0029] The optical interface control module 10 is used to collect LIBS signals.

[0030] Combine Figure 2 、 Figure 3 and Figure 4 To explain:

[0031] Among them, the optical interface control module 10 includes a central laser emission area 11 and a circular LIBS signal collection area 12; among them, the central laser emission area 11 is provided with a laser protection lens 111, and the glass sheet 121 of the circular LIBS signal collection area 12 can transmit signals of 200-1100nm.

[0032] The laser protection lens 111 and the glass sheet 121 are coupled via a combined structural member 13 .

[0033] 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 . The first structural member 131 is a boss structure.

[0034] The second structural member 132 is coupled to 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 .

[0035] like Figure 2 、 Figure 3 and Figure 4As shown, the window for the LIBS output area is replaced with a laser protection lens, which not only improves the laser transmittance but also increases the service life of the window. At the same time, the unique boss structure helps prevent dust accumulation and maintain the cleanliness of the central laser lens. The unique coupling structure of the combined structural member 13 connects the two lenses (laser protection lens 111 and glass sheet 121) while ensuring the airtightness of the window, preventing gas flow and interaction between the two sides of the window. The special window for the passage of LIBS signals has good transmittance and heat resistance for ultraviolet, visible, and near-infrared signals (200-1100nm), which is beneficial to the LIBS signal acquisition of the sample.

[0036] The optical interface control module 10 is responsible for realizing the optical functions of the window, including high-efficiency laser incidence and high-efficiency LIBS signal collection.

[0037] The technical means mainly include: multi-layer structure design, special material selection, microstructure design and coupling structure.

[0038] 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 collection area 12).

[0039] The selection of special materials mainly involves high-transmittance laser protection lenses and special glass sheets with good transmittance in the ultraviolet, visible and near-infrared bands (200-1100nm).

[0040] The microstructure design mainly adopts a unique boss structure and uses aerodynamic principles to reduce dust accumulation and maintain the cleanliness of the optical interface.

[0041] The coupling structure mainly utilizes the combined structural member 13 and the unique coupling structure to connect the two lenses to achieve airtightness and structural stability.

[0042] The relationship with other modules is mainly reflected in the fact that this module provides a basic optical function platform for other modules and is the basis for achieving high-efficiency and high-reliability signal transmission.

[0043] The spatial mode multiplexing module 20 is used to spatially multiplex the LIBS signals collected by the optical interface control module using few-mode fiber, orbital angular momentum and / or ring-core fiber.

[0044] In some embodiments, see Figure 5 The spatial mode multiplexing module 20 includes: a few-mode fiber 21, an orbital angular momentum unit 22 and a ring-core fiber 23.

[0045] The few-mode optical fiber 21 is used for signal acquisition using multiple spatial modes.

[0046] The orbital angular momentum unit 22 is used to collect multiple signals simultaneously using the orbital angular momentum mode.

[0047] The ring core fiber 23 is used to support high-order OAM (Orbital angular momentum) modes.

[0048] The spatial mode multiplexing module 20 is responsible for improving the acquisition efficiency and data throughput of LIBS signals.

[0049] The technical means mainly lie in the introduction of few-mode optical fiber, orbital angular momentum and ring-core optical fiber.

[0050] Few-mode optical fiber mainly introduces few-mode optical fiber, utilizes multiple spatial modes for signal collection, and increases signal collection channels.

[0051] Orbital angular momentum mainly utilizes the orbital angular momentum mode to achieve simultaneous acquisition of multiple signals and improve data transmission capabilities.

[0052] Ring core fiber mainly uses ring core fiber to support high-order OAM modes, further improving spatial multiplexing capabilities and reducing inter-mode crosstalk.

[0053] Relationship with Other Modules: The Spatial Mode Multiplexing Module 20 spatially multiplexes the signals collected by the Optical Interface Control Module 10, improving signal collection efficiency and providing multi-mode signal processing targets for the Adaptive Optics and Beamforming Module 30. It relies on the initial signal acquisition provided by the Optical Interface Control Module 10 and works in conjunction with the Adaptive Optics and Beamforming Module 30 to ensure reliable signal transmission in complex environments.

[0054] The adaptive optics and beamforming module 30 is used to correct signal loss caused by vibration or alignment errors in real time.

[0055] In some embodiments, see Figure 6 The adaptive optics and beamforming module 30 includes an adaptive optics unit 31 and a zero-force beamforming unit 32 .

[0056] The adaptive optics unit 31 is used to correct the signal loss caused by alignment errors in real time.

[0057] The zero-force beamforming unit 32 is used to adopt a precoding method at the transmitting end to reduce inter-mode crosstalk.

[0058] The adaptive optics and beamforming module 30 is responsible for real-time correction of signal loss caused by vibration or alignment error to ensure stable signal transmission.

[0059] The main technical means are: adaptive optics and zero-force beamforming.

[0060] Adaptive optics mainly integrates micro-adjustable optical elements to correct alignment errors in real time and maintain good coupling efficiency.

[0061] Zero-force beamforming mainly uses precoding at the transmitting end to reduce inter-mode crosstalk and improve signal quality.

[0062] Relationship with Other Modules: This module is closely integrated with the Spatial Mode Multiplexing (SMM) module 20 to ensure the stability of multimode signals during transmission. It utilizes the initial signal provided by the Optical Interface Control Module 10 to process the multimode signals output by the SMM module 20. It also utilizes zero-force beamforming technology to reduce inter-mode interference, ensuring final signal clarity and reliability. It relies on the initial signal provided by the Optical Interface Control Module 10 and collaborates with the SMM module 20 to ensure stable signal transmission.

[0063] The dispersion and interference management module 40 is used to manage the dispersion and cross-channel interference of the LIBS signal during transmission.

[0064] In some embodiments, see Figure 7 The dispersion and interference management module 40 includes: a dispersion management unit 41 and a cross-signal interference control unit 42.

[0065] The dispersion management unit 41 is used to manage the dispersion of the LIBS signal during transmission.

[0066] The cross-signal interference control unit 42 is used to reduce interference between different spatial modes.

[0067] The dispersion and interference management module 40 is responsible for managing the dispersion and cross-channel interference of the signal during transmission to ensure the integrity of the signal.

[0068] The main technical means are: dispersion management and cross-channel interference control.

[0069] Dispersion management mainly reduces the impact of dispersion on signal quality through the careful design of optical components in the window.

[0070] Cross-channel interference control mainly adopts special design to reduce the interference between different spatial modes and ensure the independent transmission of signals in each mode.

[0071] Relationship with other modules: This module optimizes the signals processed by the optical interface control module 10, spatial mode multiplexing module 20, and adaptive optics and beamforming module 30, ensuring signal quality and integrity during transmission and providing high-quality data for the final LIBS analysis. It plays a role in quality control throughout the entire system.

[0072] The environmental adaptability enhancement module 50 is used to improve the stability and lifespan of the window.

[0073] Among them, the environmental adaptability enhancement module is used to form a nano layer on the surface of the window piece using nano coating technology.

[0074] The environmental adaptability enhancement module 50 is responsible for improving the stability and life of the window in harsh industrial environments.

[0075] The main technical means are: material optimization and nano-coating technology.

[0076] Material optimization mainly involves selecting special glass materials with good thermal stability and corrosion resistance.

[0077] Nano coating technology mainly uses nano coating technology to reduce dust adhesion, enhance self-cleaning ability and improve wear resistance.

[0078] Relationship with other modules: This module provides basic protection for all other modules, ensuring that the entire system can operate stably in harsh environments. The optimization of materials and processes directly affects the life and reliability of the entire system.

[0079] Direct relationship and combination between technical means:

[0080] The optical interface control module 10 is the basis: As a basic module, the optical interface control module 10 is responsible for the initial optical signal processing and provides a signal source for subsequent modules.

[0081] The spatial mode multiplexing module 20 performs signal multiplexing: the spatial mode multiplexing module 20 uses multi-mode transmission technology to increase signal collection channels, which is an extension of the function of the optical interface control module 10.

[0082] 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 signal distortion caused by environmental factors, which is an optimization of the spatial mode multiplexing module 20.

[0083] The dispersion and interference management module 40 manages signal quality: The dispersion and interference management module 40 optimizes the signal to reduce dispersion and channel interference.

[0084] The environmental adaptability management module 50 provides environmental adaptability: The environmental adaptability management module 50 provides overall stability and reliability assurance, ensuring that the entire system can operate stably in various harsh environments.

[0085] The combination of the LIBS window system 100 of the present application is summarized as follows:

[0086] Hierarchical combination: The optical interface control module 10 is the foundation, the spatial mode multiplexing module 20 expands the signal acquisition capability based on the optical interface control module 10, the adaptive optics and beamforming module 30 increases the stability and reliability of the signal based on the spatial mode multiplexing module 20, the dispersion and interference management module 40 ensures the signal quality, and the environmental adaptability management module 50 provides environmental adaptability for the entire system.

[0087] Synergistic Integration: Each module's functions are not independent but synergistic. For example, adaptive optics requires a multi-layer structure and FMF (few-mode fiber) to provide a multimode signal foundation, while zero-force beamforming relies on adaptive optics to provide a stable signal transmission channel. The materials and processes ensure the long-term stable operation of all modules.

[0088] Functional Complementarity: Each module complements the others. 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 signal transmission reliability.

[0089] The technical effects of the LIBS window system 100 of this application are as follows:

[0090] Significantly extend the window life: Multi-layer structure, boss design, and material optimization significantly reduce dust and water vapor erosion, extending the window service life.

[0091] Improve LIBS signal acquisition efficiency: Use multimode fiber and OAM mode multiplexing technology to increase signal collection channels and improve data throughput.

[0092] Enhanced system robustness: Adaptive optics and zero-force beamforming technologies effectively compensate for alignment errors and improve system stability in complex environments.

[0093] Reduce maintenance costs: Self-cleaning structure design and long-life material selection reduce maintenance frequency and lower operating costs.

[0094] Improve system performance: Dispersion management and cross-channel interference control ensure signal transmission quality and improve measurement accuracy.

[0095] High compatibility: The new window design is compatible with existing LIBS equipment, making it easy to upgrade and modify.

[0096] The non-obviousness of the LIBS window system 100 of the present application is as follows:

[0097] 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 communications to LIBS window design is a cross-domain technology integration that is not obvious to those skilled in the art.

[0098] Multi-functional integration: Integrating multiple functions of the window, such as optical protection, signal acquisition, self-cleaning, alignment error compensation, and dispersion management, requires innovative structural design and material selection. This multi-functional integration is not a simple superposition.

[0099] Adaptability to complex environments: Through in-depth analysis of harsh industrial environments and targeted design solutions, the pain points of traditional LIBS windows are resolved, and the window has unique environmental adaptability, which is not easily conceived by technical personnel in this field.

[0100] Overall optimization effect: The various technical solutions work together to form an overall optimization effect, which significantly improves the performance of the window. This overall optimization effect is not a simple combination of technologies.

[0101] Miniaturization and practicality: Integrating multiple advanced technologies into a miniature window and ensuring its practicality in actual industrial environments requires innovative structure and material selection. Achieving the combination of miniaturization and practicality is not easy.

[0102] Furthermore, the LIBS window system 100 of the present application has the following overall effects and can solve corresponding technical problems.

[0103] Combination of the optical interface control module 10 and the spatial mode multiplexing module 20:

[0104] The optical interface control module 10 provides a basic optical platform: The optical interface control module 10 achieves efficient laser incidence and efficient LIBS signal collection through a multi-layer structure design (central laser emission area and annular LIBS signal collection area) and special material selection.

[0105] Spatial Mode Multiplexing Module 20 expands signal acquisition capabilities: Spatial Mode Multiplexing Module 20 introduces few-mode fiber (FMF) and orbital angular momentum (OAM) technology, utilizing multiple spatial modes for signal acquisition, thus breaking through the limitations of traditional single-channel acquisition and significantly improving signal collection efficiency and data throughput.

[0106] The combined effect is: the optical interface control module 10 is responsible for the initial optical signal processing, while the spatial mode multiplexing module 20 increases the signal acquisition channels through spatial multiplexing technology on this basis, so that more LIBS signals can be effectively captured and transmitted, thus solving the problem of low acquisition efficiency of traditional windows.

[0107] Technical Problem Solved: Traditional windows rely solely on single-channel acquisition, resulting in low efficiency and susceptibility to environmental factors. The combination of the optical interface control module 10 and the spatial mode multiplexing module 20 significantly improves signal acquisition efficiency and anti-interference capabilities through multi-channel acquisition and spatial multiplexing.

[0108] Combination of the adaptive optics and beamforming module (adaptive optics and beamforming module 30) and the optical interface control module 10 / spatial mode multiplexing module 20:

[0109] Adaptive Optics and Beamforming Module 30 Dynamically Corrects Signals: The Adaptive Optics and Beamforming Module 30 integrates adaptive optics and zero-force beamforming (ZFBF) technology to correct signal loss caused by vibration and alignment errors in real time.

[0110] The optical interface control module 10 / spatial mode multiplexing module 20 provides a multi-mode signal foundation: The optical interface control module 10 / spatial mode multiplexing module 20 provides multi-mode signal acquisition and transmission, and provides a processing object for the adaptive optics and beamforming module 30 .

[0111] The combined effect: Adaptive optics and beamforming modules 30 correct alignment errors in real time to maintain good coupling efficiency. At the same time, ZFBF can reduce interference in multimode transmission and improve signal quality, thereby ensuring the reliable transmission of multimode signals in complex environments.

[0112] Technical Problem Solving: In industrial environments, equipment vibration and misalignment are common problems, leading to signal loss and unstable transmission. The combination of the adaptive optics and beamforming module 30 with the optical interface control module 10 and spatial mode multiplexing module 20 resolves signal distortion caused by environmental factors through dynamic correction and beamforming, ensuring signal stability and reliability.

[0113] Combination of the dispersion and interference management module (dispersion and interference management module 40) with the optical interface control module 10 / spatial mode multiplexing module 20 / adaptive optics and beamforming module 30:

[0114] Dispersion and Interference Management Module 40 manages signal quality: The Dispersion and Interference Management Module 40 is specially designed to reduce the impact of dispersion on signal quality and reduce cross-channel interference (XCI) between different spatial modes, ensuring independent transmission of signals in each mode.

[0115] Optical interface control module 10 / spatial mode multiplexing module 20 / adaptive optics and beamforming module 30 transmits signals: The optical interface control module 10 / spatial mode multiplexing module 20 / adaptive optics and beamforming module 30 is responsible for signal acquisition, multiplexing and correction, but there are still risks of dispersion and interference during the transmission process.

[0116] The combined effect is that the dispersion and interference management module 40 optimizes the signals processed by the optical interface control module 10, the spatial mode multiplexing module 20, and the adaptive optics and beamforming module 30, ensuring the quality and integrity of the signals during transmission.

[0117] Technical Problem Solved: During signal transmission, dispersion and interference occur, affecting signal quality. The combination of the dispersion and interference management module 40 with the optical interface control module 10, spatial mode multiplexing module 20, and adaptive optics and beamforming module 30 resolves these dispersion and interference issues during signal transmission, ensuring the accuracy and reliability of the final LIBS analysis data. This approach is similar to research on dispersion management and control (XCI) in optical fiber networks.

[0118] The combination of the environmental adaptability enhancement module (environmental adaptability management module 50) and all other modules:

[0119] Environmental adaptability management module 50 provides environmental adaptability protection: Environmental adaptability management module 50 uses material optimization and nano-coating technology to select special glass materials with good thermal stability and corrosion resistance, reduce dust adhesion, enhance self-cleaning ability, and improve wear resistance.

[0120] Other modules rely on the protection of the environmental adaptability management module 50: the functions of other modules (optical interface control 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.

[0121] The combined effect is: the environmental adaptability management module 50 provides basic protection for all other modules, ensuring that the entire system can operate stably and long-term in harsh industrial environments.

[0122] Technical Problem Solved: Harsh conditions in industrial environments, such as high temperature, high humidity, and dust, can affect the lifespan and performance of window films. The Environmental Adaptability Management Module 50, combined with other modules, addresses the issue of window films being susceptible to damage in harsh environments, improving the reliability and lifespan of the entire system.

[0123] In the several embodiments provided in this 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 merely a logical functional division. In actual implementation, other division methods may be used, such as combining or integrating multiple units or components into another system, or ignoring or not implementing certain features.

[0124] If the integrated units in the other embodiments described above are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) or a processor to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program code, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0125] The above description is only an implementation method of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A LIBS window system, characterized in that: The LIBS window system includes: Optical interface control module, used to collect LIBS signals; A spatial mode multiplexing module, configured to spatially multiplex the LIBS signals collected by the optical interface control module using few-mode fiber, orbital angular momentum, and / or ring-core fiber; Adaptive optics and beamforming modules for real-time correction of signal loss due to vibration or alignment errors; a dispersion and interference management module, configured to manage the dispersion and cross-channel interference of the LIBS signal during transmission; Environmental adaptability enhancement module, used to improve the stability and life of the window; The optical interface control module includes a central laser emission area and a circular LIBS signal collection area; wherein the central laser emission 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; The spatial mode multiplexing module includes: Few-mode fiber, for signal acquisition using multiple spatial modes; Orbital angular momentum unit, used for simultaneous acquisition of multiple signals using orbital angular momentum mode; and / or ring-core fibers to support higher-order OAM modes; The adaptive optics and beamforming module includes: Adaptive optics unit for real-time correction of signal loss caused by alignment errors; Zero-force beamforming unit, used to adopt precoding method at the transmitting end to reduce inter-mode crosstalk; The dispersion and interference management module includes: a dispersion management unit, configured to manage the dispersion of the LIBS signal during transmission; Cross-signal interference control unit, used to reduce interference between different spatial modes; The environmental adaptability enhancement module is used to form a nano layer on the surface of the window piece by using nano coating technology.

2. The LIBS window system according to claim 1, characterized in that: The laser protection lens and the glass sheet are coupled via a combined structural component.

3. The LIBS window system according to claim 2, characterized in that: 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 is a boss structure.

4. The LIBS window system according to claim 3, 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.

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