G series
Fujikura's large core fibers are made of silica glass, thus have high energy density optical transmission.
This product has excellent optical transmission characteristics over a wide wavelength range from visible to NIR.
Features
・High Energy Density Optical Transmission
・Mechanical Strength
Specifications
| Description | G.200/250 | G.400/500 | G.600/750 | G.800/1000 |
| Core Diameter (µm) | 200±10 | 400±20 | 600±30 | 800±40 |
| Cladding Diameter (µm) | 250±12.5 | 500±25 | 750±37.5 | 1,000±50 |
| Jacket Diameter (µm) | 900±100 | 1,100±100 | 1,400±100 | 1,700±100 |
| Minimum Bending Radius (mm) | 50 | 100 | 150 | 200 |
| Refractive Index Profile | GI | |||
| Core / Cladding Material | GeO₂-SiO₂ / SiO₂ | |||
| Coating / Jacket Material | Silicone / Polyamide | |||
| NA | 0.21 ± 0.02 | |||
| Operation Temperature(℃) | -20 ～ 60 | |||
| Jacket Color | Black | |||
Cross-section Image |  | |||
Other custom products
・Please contact us about FEP, PFA, and other types of coatings.
・Polyimide (PI) coated large core fibers are also available as a high heat resistant type.
・Mass production support
FJK is able to manufacture various types of large core fibers according to customer
specifications, from design and prototyping to mass production. Please contact us for more information.
