Single Mode fiber
(850 nm band)
Fujikura fibers have a structure suitable for fusion splicing and optical connectors based on fiber design and manufacturing technologies developed over many years. This 850 nm single-mode fiber meets market demands with cladding diameters of 80 μm and 125 μm.
Features
・850nm band single mode fiber
・RCHA85-SM-U17C is 80μm cladding diameter and High refractive index type.
・RoHS compliant
Specifications
| SM85-SM-U25D | RCHA85-SM-U17C | |
| Wavelength band | 850 nm band | |
| Mode field diameter (μm) | 5.5 ± 1.0 ＠ 850 nm | 3.5 ± 0.5 ＠ 850 nm |
| Concentricity error (μm) | ≤ 0.7 | ≤ 1.0 |
| Cladding diameter （Major diameter） (μm) | 125 ± 1 | 80 ± 1 |
| Attenuation (dB/km) | ≤ 3.0 @ 850 nm | |
| Cutoff wavelength (μm) | ≤ 0.78 | 0.65 – 0.80 |
| Minimum bending radius | 1 % proof test level：R30 mm(*) 2 % proof test level：R20 mm | |
| Coating material | UV curable resin | |
| Coating diameter (μm) | 245 ± 15 | 245 ± 15 |
Cross-section image |  | |
*1% proof test level is standard. 2% proof test level is available, and code ‘-H’ is added at the end of the product name. (e.g., SM85-SM-U25D-H)
*1% proof test level is standard. 2% proof test level is available, and code ‘-H’ is added at the end of the product name. (e.g., SM85-SM-U25D-H)
