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In fields with extremely high requirements for polarization state stability, such as fiber optic communications, LiDAR, and quantum sensing, the splicing quality of Polarization-Maintaining Fiber (PMF) directly determines system performance. Traditional splicing equipment often faces pain points such as low alignment accuracy, high splicing loss, and complex operations when processing large-diameter, multi-type PMFs. The S500P1 Large Diameter Fiber Polarizing Welding Machine, with its professional design and powerful performance, provides a comprehensive solution for PMF splicing, from adaptability to stability. 

Core Advantages: Precise Adaptation, High Efficiency, and Stability

The S500P1 is not a general-purpose splicer but a professional device custom-built for "large diameter" and "polarization-maintaining" fibers. Its core advantages are reflected in three dimensions:

• Multi-type Fiber Compatibility:It supports all types of PMF, including panda, bowtie, and elliptic types, while also being compatible with conventional fibers such as Single-Mode Fiber (SMF), Multi-Mode Fiber (MMF), and Dispersion-Shifted Fiber (DSF). It covers the full range of standards from G.652 to G.657, meeting the needs of complex scenarios.
• Large Diameter Processing Capability:It can handle large-core fibers with cladding diameters of 125~500μm and coating diameters of 300~650μm, breaking through the adaptation limitations of traditional equipment for large-size fibers and providing support for applications such as high-power laser transmission and specialty sensing.
• Low Loss and High Stability:The typical splicing loss is as low as 0.02dB (SMF) and 0.01dB (MMF), with a polarization extinction ratio of -30dB and a return loss of ≥60dB. This ensures the efficient maintenance of the polarization state at the splicing point, reducing signal attenuation and interference.

Functional Highlights: Flexible Operation, Intelligent Management

The design of the S500P1 fully considers users' practical operation needs, deeply integrating professionalism with convenience:

• Independent End-Face Manual Alignment:It adopts a manual end-face observation and alignment system. The 200x magnification clearly presents fiber details, making the operation convenient and fast. It is particularly suitable for laboratory R&D and small-batch customized splicing scenarios, avoiding the adaptation limitations of automatic alignment systems for complex fiber structures.
• Multiple Preset and Customizable Programs:It has 9 groups of factory preset programs built-in, covering common fiber types and splicing scenarios. It also supports user-defined programs (N groups), allowing users to optimize splicing parameters according to special fiber parameters (such as coating thickness and material) to achieve precise "one-fiber-one-strategy" splicing.
• Intelligent Data Management:It can store 10,000 splicing records and 200 groups of splicing images, and supports screen recording of the splicing process, facilitating quality traceability and process optimization. The multi-language display (English and optional languages) lowers the threshold for cross-border team collaboration.

Technical Specifications: Reliable Guarantee Under Strict Environments

The performance of the S500P1 is not only reflected in splicing indicators but also in its adaptability to complex environments:

• Environmental Adaptability:Operating temperature: -25℃~+50℃, humidity: <95% (non-condensing), altitude: 0-5000m. It can operate stably in harsh environments such as outdoors, high altitudes, and high humidity. Storage temperature: -40℃~+80℃, ensuring the equipment can be quickly put into use after long-term idleness.
• Long-lasting Endurance and Durability:Equipped with a 12V 6.5Ah lithium battery and supporting AC 85-260V wide voltage input, it meets the needs of field operations and scenarios without mains power. The electrode life reaches 5000 discharges, reducing maintenance costs and downtime.

Application Scenarios: Full-Chain Coverage from Laboratory to Industrialization

• Scientific Research Institutions:Used in universities and research institutes for the verification of new PMF structures and low-loss splicing in quantum communication experiments.
• Industrial Manufacturing:Suitable for PMF splicing in fiber lasers, high-power amplifiers, and other equipment, ensuring polarization state stability and output power consistency.
• Specialty Sensing:In systems such as fiber optic gyroscopes and Distributed Acoustic Sensing (DAS), it guarantees the polarization characteristics of sensing fibers, thereby improving measurement accuracy and signal-to-noise ratio.

The S500P1 Large Diameter Fiber Polarizing Welding Machine redefines the technical standards of PMF splicing with "professional adaptation, low-loss efficiency, and intelligent reliability" as its core. Whether addressing the physical challenges of large-core fibers or meeting the strict requirements of polarization maintenance, it provides solid technical support for fiber optic communications and laser applications, helping the industry break through performance bottlenecks and move towards a future of higher precision and reliability.