[{"data":1,"prerenderedAt":173},["ShallowReactive",2],{"ef0cea155086576af2fa90d299484142":3,"ProductItem10296":7,"TopCategory":37,"ProductSelectProduct10296":139},{"code":4,"msg":5,"data":6},200,"success",{},{"code":4,"msg":5,"data":8},{"id":9,"parentId":10,"parentName":11,"name":11,"type":12,"sortNum":13,"createTime":14,"description":15,"homeUrl":16,"homeUrlAlt":16,"smallImage":17,"smallImageAlt":16,"modelNumber":18,"meta":19,"configJson":20,"picList":21,"keywordsList":22,"newsList":23,"introduction":24,"configListList":25,"parentResp":26},10296,141,"Single-mode fiber collimator",1,7,"2025-09-05 16:10:25","Single-mode fiber collimator designed for the 785nm near-infrared band.","https://source.venuslabtech.com/mall-prod/8f9d8268-047e-4cec-a7e3-ded9a137f1f5.png","https://source.venuslabtech.com/mall-prod/8e85094b-91a2-4553-9493-b6a638977e84.png","VLFL-785-SF","[{\"name\":\"title\",\"label\":\"Title 标题\",\"content\":\"Single-mode fiber collimator | VenusLab\"},{\"name\":\"keywords\",\"label\":\"Keywords 关键词\",\"content\":\"VLFL-785-SF industrial fiber laser, 785nm special focus laser, VenusLab 785nm SF laser, 785nm near-infrared focused laser, special focus 785nm sensing laser, 785nm high-precision fiber laser, VLFL series 785nm SF laser, 785nm industrial optical source, 785nm machine vision focused laser, 785nm long-distance detection laser\"},{\"name\":\"description\",\"label\":\"Description 描述\",\"content\":\"VLFL-785-SF: A 785nm near-infrared industrial fiber laser with special focus (SF) technology, offering high beam concentration and stable performance. Ideal for industrial sensing, long-distance detection, precision positioning, and machine vision applications requiring focused laser output. Explore now!\"},{\"name\":\"og:title\",\"label\":\"og:title\",\"content\":\"VLFL-785-SF 785nm Special Focus Industrial Fiber Laser\"},{\"name\":\"og:type\",\"label\":\"og:type\",\"content\":\"website\"},{\"name\":\"og:description\",\"label\":\"og描述\",\"content\":\"High-performance VLFL-785-SF 785nm laser integrates special focus design to enhance beam precision, making it suitable for industrial detection, scientific instrumentation, and machine vision systems needing reliable near-infrared focused light sources. \"},{\"name\":\"og:image\",\"label\":\"og图片\",\"content\":\"https://source.venuslabtech.com/mall-prod/8e85094b-91a2-4553-9493-b6a638977e84.png\"},{\"name\":\"og:url\",\"label\":\"og url\",\"content\":\"https://www.venuslabtech.com/products/single-mode-fiber-collimator-vlfl-785-sf\"},{\"name\":\"twitter:title\",\"label\":\"twitter:title\",\"content\":\"VLFL-785-SF 785nm Special Focus Industrial Fiber Laser\"},{\"name\":\"twitter:description\",\"label\":\"twitter描述\",\"content\":\"High-performance VLFL-785-SF 785nm laser integrates special focus design to enhance beam precision, making it suitable for industrial detection, scientific instrumentation, and machine vision systems needing reliable near-infrared focused light sources. \"},{\"name\":\"twitter:image\",\"label\":\"twitter图片\",\"content\":\"https://source.venuslabtech.com/mall-prod/8e85094b-91a2-4553-9493-b6a638977e84.png\"},{\"name\":\"twitter:card\",\"label\":\"twitter:card\",\"content\":\"summary_large_image\"},{\"name\":\"twitter:site\",\"label\":\"twitter:site\",\"content\":\"venuslabtech@gmail.com\"}]","[{\"key1\":\"Wavelength\",\"key2\":\"Fiber Core Diameter\",\"value1\":\"785nm\",\"value2\":\"5.0um\"},{\"key1\":\"Working distance\",\"value1\":\"0 - 2m\",\"key2\":\"Overall Dimension with Corresponding Beam Waist & Divergence Angle\",\"value2\":\"Φ3.210.4mm: Beam Waist 0.35mm, Divergence Angle ≤2mrad; Φ414mm: Beam Waist 0.45mm/1.0mm, Divergence Angle ≤2mrad/≤0.5mrad; Φ1216.5mm: Beam Waist 0.65mm, Divergence Angle ≤0.5mrad; Φ1225.5mm: Beam Waist 2mm, Divergence Angle ≤0.5mrad\"}]",[],[],[],"\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">785nm is the golden wavelength for Raman spectroscopy analysis. The collimator's low loss and low divergence angle (≤0.5mrad) ensure the signal-to-noise ratio of Raman signals; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The 5.0μm core diameter is compatible with high-power (≤1W) near-infrared lasers, avoiding fiber ablation under high power; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">Near-infrared light has strong anti-interference ability, making it suitable for testing complex samples (such as those containing water or fluorescent impurities).\u003C/span>\u003C/p>",[],[27,31,34],{"id":28,"parentId":29,"name":30},5,0,"Optics & Fiber",{"id":32,"parentId":28,"name":33},36,"Fiber Parts",{"id":35,"parentId":32,"name":36},48,"Fiber Collimators",{"code":4,"msg":5,"data":38},[39,50,64,91,101,115,124],{"id":40,"parentId":29,"name":41,"sortNum":12,"smallImage":42,"smallImageAlt":42,"introduction":43,"children":44,"elect":29,"childrenFlag":12},2,"Light Sources","https://source.venuslabtech.com/mall-prod/0513a35b-c34f-4a0b-9a7d-d2e627c17713.png","\u003Cp>\u003Cspan style=\"font-size: 19px; font-family: Arial;\">At VenusLab, our Light Sources portfolio is designed to meet the diverse needs of modern research and industry. From multi-channel LED modules to high-stability laser engines, each solution delivers precision, stability, and adaptability for your specific applications. Whether for advanced imaging, optogenetics, or fiber-coupled systems, VenusLab light sources ensure consistent performance to drive your innovation forward.\u003C/span>\u003C/p>",[45],{"id":46,"parentId":40,"name":47,"sortNum":40,"smallImage":48,"smallImageAlt":48,"introduction":49,"elect":29,"childrenFlag":12},10,"Laser","https://source.venuslabtech.com/mall-prod/e90dbc77-1a1b-4c2f-b6ab-2b8aba78233c.png","\u003Cp>\u003Cbr>\u003C/p>",{"id":51,"parentId":29,"name":52,"sortNum":40,"smallImage":53,"smallImageAlt":53,"introduction":54,"children":55,"elect":29,"childrenFlag":12},3,"Detectors","https://source.venuslabtech.com/mall-prod/635fa0d9-5f9f-4575-8fbf-70d07d4a0fcf.png","\u003Cp>\u003Cspan style=\"font-size: 19px; font-family: Arial;\">The VenusLab detector product series is core-positioned around the concept of \"full-wavelength coverage, full-scenario adaptation, and high-precision output\". It builds a complete product matrix spanning from basic optical signal monitoring to single-photon-level ultra-high-precision detection through 6 major segmented categories. Covering the full wavelength range from ultraviolet (185nm) to short-wave infrared (2500nm), with response speeds ranging from 50ns down to 1ns and detection sensitivity spanning from 0.1nW to the single-photon level, this series can meet the differentiated optical signal detection needs across multiple fields such as scientific research, industry, biomedicine, and security. It provides stable and accurate core sensing components for various light-related applications.\u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>",[56,60],{"id":57,"parentId":51,"name":58,"sortNum":12,"smallImage":59,"smallImageAlt":59,"introduction":49,"elect":29,"childrenFlag":12},18,"Photodetector","https://source.venuslabtech.com/mall-prod/33fb14c5-d255-496c-b822-a0b81ee1a6ba.png",{"id":61,"parentId":51,"name":62,"sortNum":40,"smallImage":63,"smallImageAlt":63,"introduction":49,"elect":29,"childrenFlag":12},19,"Photodiodes","https://source.venuslabtech.com/mall-prod/15133790-2487-4ce3-bc77-372db6368e9b.png",{"id":65,"parentId":29,"name":66,"sortNum":51,"smallImage":67,"smallImageAlt":67,"introduction":68,"children":69,"elect":29,"childrenFlag":12},4,"Imaging","https://source.venuslabtech.com/mall-prod/02082dd8-575f-4441-8e63-81a43853d93c.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">Centered on the core concept of \"Precise Capture + Ecological Synergy\", the VenusLab imaging product series covers the entire imaging wavelength range from ultraviolet (200nm) to short-wave infrared (2500nm). It builds a complete product matrix that spans from microscopic imaging to weak light signal visualization through 4 major segmented product categories.\u003C/span>\u003C/p>\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">The series can seamlessly interface with its detectors (such as single-photon counting modules and InGaAs detectors) and optical equipment, while boasting the combined characteristics of high resolution (up to 20 million pixels), high frame rate (up to 120fps), and low noise (dark current ≤ 1e-12 A). It meets the integrated needs of \"imaging - analysis - recording\" in fields including scientific research, industry, and biomedicine.\u003C/span>\u003C/p>",[70,74,78,82,87],{"id":71,"parentId":65,"name":72,"sortNum":12,"smallImage":73,"smallImageAlt":73,"introduction":49,"elect":29,"childrenFlag":12},24,"Scientific Cameras","https://source.venuslabtech.com/mall-prod/a53af2a6-2e06-4a58-936b-03479dda5ca0.png",{"id":75,"parentId":65,"name":76,"sortNum":40,"smallImage":77,"smallImageAlt":77,"introduction":49,"elect":29,"childrenFlag":12},25,"CMOS Cameras","https://source.venuslabtech.com/mall-prod/89dbbff2-301e-4dd6-a1a6-3196ea189a86.png",{"id":79,"parentId":65,"name":80,"sortNum":51,"smallImage":81,"smallImageAlt":81,"introduction":49,"elect":29,"childrenFlag":12},26,"CCD Cameras","https://source.venuslabtech.com/mall-prod/4362a829-8e2d-46a7-96c1-4c8ee45a6d15.png",{"id":83,"parentId":65,"name":84,"sortNum":85,"smallImage":86,"smallImageAlt":86,"introduction":49,"elect":29,"childrenFlag":12},32,"HDMI Cameras",9,"https://source.venuslabtech.com/mall-prod/4f44eb5c-8319-48da-b669-f3c4dbbcb13a.png",{"id":88,"parentId":65,"name":89,"sortNum":46,"smallImage":90,"smallImageAlt":90,"introduction":49,"elect":29,"childrenFlag":12},33,"Microscope Cameras","https://source.venuslabtech.com/mall-prod/d8690bc7-4af2-42a6-b02b-1cf084b52eb5.png",{"id":28,"parentId":29,"name":30,"sortNum":65,"smallImage":92,"smallImageAlt":92,"introduction":93,"children":94,"elect":29,"childrenFlag":12},"https://source.venuslabtech.com/mall-prod/af136da6-6853-426d-8a86-5adc2985f50b.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">VenusLab's optical and fiber optic component products focus on high-precision optical signal regulation and transmission. They cover the entire chain from basic optical components to fiber optic integration solutions, and can form a synergistic effect with the company's own detectors, cameras and other products to build a complete optical system.\u003C/span>\u003C/p>",[95,99],{"id":96,"parentId":28,"name":97,"sortNum":12,"smallImage":98,"smallImageAlt":98,"introduction":49,"elect":29,"childrenFlag":12},34,"Imaging Optics","https://source.venuslabtech.com/mall-prod/ccadce05-879a-4005-bdf3-f0ea7c5c6ed7.png",{"id":32,"parentId":28,"name":33,"sortNum":51,"smallImage":100,"smallImageAlt":100,"introduction":49,"elect":29,"childrenFlag":12},"https://source.venuslabtech.com/mall-prod/1b80704b-5f12-40e1-b685-064d3055c56c.png",{"id":102,"parentId":29,"name":103,"sortNum":28,"smallImage":104,"smallImageAlt":104,"introduction":105,"children":106,"elect":29,"childrenFlag":12},6,"Opto-Mechanics","https://source.venuslabtech.com/mall-prod/3deebc29-027a-4603-b724-63f7e4fa6910.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">The VenusLab optomechanical products serve as the core carrier for supporting the stable operation of optical experiments and industrial optical systems, with \"Full-Dimensional Regulation + High-Stability Support + Extreme Environment Adaptability\" as their core value.They cover the full range of needs, spanning from \"microscopic position alignment\" to \"macroscopic system construction\", and from \"normal temperature & conventional scenarios\" to \"high-low temperature/vacuum extreme scenarios\".\u003C/span>\u003C/p>\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">These products can achieve seamless synergy with the company’s in-house detectors, imaging equipment, light sources, and other products, forming an integrated optical solution for \"optical signal generation - transmission - regulation - detection\". They provide precision mechanical control capabilities ranging from the micrometer to nanometer scale for the scientific research and industrial fields.\u003C/span>\u003C/p>",[107,111],{"id":108,"parentId":102,"name":109,"sortNum":28,"smallImage":110,"smallImageAlt":110,"introduction":49,"elect":29,"childrenFlag":12},62,"Optical Tables","https://source.venuslabtech.com/mall-prod/1016b0a2-f58c-42c5-8e30-2c2f70e9c4c4.png",{"id":112,"parentId":102,"name":113,"sortNum":102,"smallImage":114,"smallImageAlt":114,"introduction":49,"elect":29,"childrenFlag":12},63,"Temperature Stage","https://source.venuslabtech.com/mall-prod/9710b50f-7653-4488-a541-811f4d9b889c.png",{"id":13,"parentId":29,"name":116,"sortNum":102,"smallImage":117,"smallImageAlt":117,"introduction":118,"children":119,"elect":29,"childrenFlag":12},"Optical Test & Metrology","https://source.venuslabtech.com/mall-prod/88a64fab-6c58-416d-8630-cea8401c3ecb.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">VenusLab's optical measurement and characterization products are centered on the core of \"Full Parameter Coverage, Extreme Environment Adaptability, and Intelligent Analysis\".They cover four major categories: spectral measurement, power and energy measurement, beam analysis, and infrared temperature measurement and imaging.Together with the company's in-house optomechanical products, these products form a closed-loop solution for \"Precision Regulation - Accurate Measurement\".\u003C/span>\u003C/p>",[120],{"id":121,"parentId":13,"name":122,"sortNum":12,"smallImage":123,"smallImageAlt":123,"introduction":49,"elect":29,"childrenFlag":12},69,"Spectral Measurement","https://source.venuslabtech.com/mall-prod/db8d8151-da44-436e-834a-28644b643784.png",{"id":125,"parentId":29,"name":126,"sortNum":13,"smallImage":127,"smallImageAlt":127,"introduction":128,"children":129,"elect":29,"childrenFlag":12},8,"Systems & Applications","https://source.venuslabtech.com/mall-prod/151843f8-ac03-4d88-a343-c0fbd70e75d1.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"font-size: 19px; font-family: Arial;\">Centered on \"Basic Observation - High-Resolution Analysis\", VenusLab offers brightfield/fluorescence microscopy for routine high-efficiency imaging, and confocal/Raman microscopy focusing on ultra-high resolution and molecular spectroscopy integration. Sharing modules and unified interfaces for flexible switching, they provide one-stop solutions for \"morphology observation - composition - structural analysis\" in biomedicine and materials science.\u003C/span>\u003C/p>",[130,135],{"id":131,"parentId":125,"name":132,"sortNum":40,"smallImage":133,"smallImageAlt":133,"introduction":134,"elect":29,"childrenFlag":12},85,"Confocal/Raman Microscopy","https://source.venuslabtech.com/mall-prod/dbf92573-535b-4fcb-b200-b90f31ae2d3b.png","\u003Cp style=\"line-height: 1.5;\">\u003Cspan style=\"color: rgba(0, 0, 0, 0.85); font-size: 19px; font-family: Arial;\">The Confocal/Raman Microscopy System is a product of in-depth integration of confocal microscopic imaging technology and Raman spectroscopy technology. It uses confocal technology to achieve high-resolution optical imaging and spatial localization of samples, and simultaneously acquires the molecular structure \"fingerprint information\" of designated microregions through Raman spectroscopy, ultimately realizing integrated detection of \"morphological observation - component identification - structural analysis\".\u003C/span>\u003C/p>",{"id":136,"parentId":125,"name":137,"sortNum":51,"smallImage":138,"smallImageAlt":138,"introduction":49,"childrenFlag":12},197,"Biological microscopy","https://source.venuslabtech.com/mall-prod/139800a9-89d5-4fa3-a2b7-4a3760edc22c.png",{"code":4,"msg":5,"data":140},{"productDTOS":141},[142,149,155,161,167],{"id":143,"name":144,"smallImage":145,"description":146,"modelNumber":147,"introduction":148},10287,"Single-Mode Fiber Collimator","https://source.venuslabtech.com/mall-prod/cc70ffb7-454c-4910-9639-5c3d8379e35e.png","Single-mode fiber collimator designed specifically for the 405nm ultraviolet to near-ultraviolet wavelength band.","VLFL-405-SF","\u003Cul>\u003Cli>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The only collimator in the entire series that covers the 405nm near-ultraviolet band, meeting the needs of exclusive ultraviolet light scenarios\u003C/span>\u003C/li>\u003Cli>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">3.0μm ultra-fine fiber core diameter + ≤0.5mrad low divergence angle, with strong beam focusing, suitable for high-precision ultraviolet light regulation\u003C/span>\u003C/li>\u003Cli>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">Magnet-free shell design avoids the impact of electromagnetic interference on ultraviolet light signals and ensures the stability of test data\u003C/span>\u003C/li>\u003C/ul>",{"id":150,"name":144,"smallImage":151,"description":152,"modelNumber":153,"introduction":154},10291,"https://source.venuslabtech.com/mall-prod/51b98a22-6a54-4782-b8f7-64ca6a13c54f.png","Single-mode fiber collimator for the 450nm blue laser band.","VLFL-450-SF","\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The only blue laser collimator in the entire series that achieves an ultra-small size of Φ3.2×10.4mm, suitable for devices with compact spaces; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">Minimum waist diameter of 0.25mm (the smallest in the entire series), with high focusing accuracy of the blue light beam, suitable for micro-scale light spot applications;\u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The blue light has moderate penetrability, and low-loss transmission ensures the utilization rate of laser energy, making it suitable for medium and low-power blue laser scenarios.\u003C/span>\u003C/p>",{"id":156,"name":144,"smallImage":157,"description":158,"modelNumber":159,"introduction":160},10292,"https://source.venuslabtech.com/mall-prod/4af3d11c-b7e2-45ac-8ec5-b3cacc1758f7.png","Single-mode fiber collimator for the 488nm blue-green laser band.","VLFL-488-SF","\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">488nm is the golden wavelength for biological fluorescence detection, and the low-loss characteristic of the collimator ensures the efficiency of fluorescence signal collection; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The Φ4×14mm specification has a waist of 1.0mm and a divergence angle ≤0.5mrad, with excellent beam stability, suitable for long-term fluorescence testing; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">It has strong adaptability to multiple sizes and can be compatible with laboratory desktop spectrometers and industrial-grade testing equipment.\u003C/span>\u003C/p>",{"id":162,"name":144,"smallImage":163,"description":164,"modelNumber":165,"introduction":166},10293,"https://source.venuslabtech.com/mall-prod/4f673d32-989d-48e9-84f1-5c2acfff019a.png","Single-mode fiber collimator for the 520nm green laser band.","VLFL-520-SF","\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The 520nm green laser has high human eye sensitivity, and the collimator's low divergence angle (≤0.5mrad) ensures precise control of beam visualization; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The Φ12×16.5mm specification has a waist of 0.65mm, balancing the spot size and transmission distance, making it suitable for medium-distance laser applications; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">Green light has a low scattering coefficient, and low-loss transmission improves signal stability in outdoor/complex environments.\u003C/span>\u003C/p>",{"id":168,"name":144,"smallImage":169,"description":170,"modelNumber":171,"introduction":172},10294,"https://source.venuslabtech.com/mall-prod/2cdca164-591a-4b13-bfbb-f02d9dbef2a4.png","Single-mode fiber collimator for the 638nm red laser band.","VLFL-638-SF","\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">A 4.0μm core diameter is compatible with medium-power red lasers (≤500mW), avoiding optical path damage caused by high power with small core diameters; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">The Φ4×14mm specification has a waist size of 1.2mm (the largest waist size in the entire red wavelength range), making it suitable for wide-spot red laser applications; \u003C/span>\u003C/p>\u003Cp>\u003Cbr>\u003C/p>\u003Cp>\u003Cspan style=\"color: rgb(31, 35, 41); background-color: rgb(255, 255, 255); font-size: 19px; font-family: Arial;\">Red light has a low air attenuation rate, and low-loss transmission ensures the stability of long-distance signals.\u003C/span>\u003C/p>",1764059241509]