400 Coated Fiber Pigtail -AR Film
Protruding coated pigtails mount one coated-fiber end in a ceramic ferrule,projecting beyond its face,and fit SMA905 at the other end. Unlike flush assemblies,this avoids coating cracking from differing expansion of fiber,adhesive and ceramic under one plane,especially advantageous for medium/high-power laser coupling/transmission.
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Overview
Protruding coated pigtails mount one coated-fiber end in a ceramic ferrule,projecting beyond its face,and fit SMA905 at the other end. Unlike flush assemblies,this avoids coating cracking from differing expansion of fiber,adhesive and ceramic under one plane,especially advantageous for medium/high-power laser coupling/transmission.
Specifications
| Parameter | Value |
|---|---|
| Fiber Model [or as specified by the customer] | SI400/440/600AE, Core/Clad:400/440um, 0.22NA; or as specified by the customer |
| Fiber Length [or as specified by the customer] | 1.5+/-0.1m; or as specified by the customer |
| Coating Specifications R [Antireflection Coating ;@780-1000nm; or customized to customer requirements] | Antireflection Coating , R<0.5%@780-1000nm; or customized to customer requirements |
| Assembly Method | After coating, the bare fiber is assembled into an SC ceramic ferrule, with the fiber tip protruding beyond the ferrule end face; the other end is fitted with SMA905 |
| Fiber Protrusion Length [or as specified by the customer] | 1.0-1.5mm; 或客户指定 |
| Ferrule Type [Or customer-specific nonstandard ceramic ferrules] | Standard SC or LC ceramic ferrules; or customer-specific nonstandard ceramic ferrules |
Applications
Reduction of reflectance at the fiber coupling or output end, or increased isolation of system spontaneous emission Fiber laser pump source coupling Flexible transmission for industrial high-power laser processing Coupled output for medical laser equipment High-power laser testing (large-core-diameter high-power laser transmission) Fiber optic sensors (connection to photodetectors)
Key Features
Direct polishing of the fiber end face requires no auxiliary adhesive during processing, avoiding laser absorption caused by adhesive residue and effectively reducing fiber burnout. The polished bare-fiber end face is highly clean, with no scratches or pits at the core. Coating only the bare-fiber end face, without any ferrule or adhesive, eliminates coating cracks caused by differences in thermal expansion coefficients between substrates beneath the coating. Avoiding the proximity effects of ferrules and adhesive on the laser chip effectively reduces chip COD and contamination. The coating has low thermal absorption and a high damage threshold, with an optical damage threshold > 200 megawatts per square centimeter (certified by a third party in the United States).
Datasheet
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Supplier Information
Founded in 2012, Shenzhen Fujin Optoelectronic Technology Co., Ltd. is a high-tech enterprise specializing in producing coated optical fiber products for various wavelength bands for semiconductor laser manufacturers. The company's products include bare fiber coating, ceramic ferrule coated pigtails, SMA905/D80 high-power transmission jumper coating, single-angled, wedge-shaped, and tapered lensed fibers, widely used in pump laser coupling and transmission for fiber lasers, industrial laser transmission, medical laser transmission, and fiber sensing. With over 20 patented technologies, the company independently developed bare fiber grinding and polishing technology to ensure high cleanliness and high damage threshold of fiber end faces, and continuously optimized high-power laser coating processes. Its products have been adopted by leading domestic and international laser manufacturers. The company has passed ISO9001:2015 quality management system certification and has built an efficient management team, excellent R&D engineers, and a comprehensive after-sales service system.
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