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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.





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Features

・High Energy Density Optical Transmission
・Mechanical Strength

Specifications

DescriptionG.200/250G.400/500G.600/750G.800/1000
Core Diameter (µm)200±10400±20600±30800±40
Cladding Diameter (µm)250±12.5500±25750±37.51,000±50
Jacket Diameter (µm)900±1001,100±1001,400±1001,700±100
Minimum Bending Radius (mm)50100150200
Refractive Index ProfileGI
Core / Cladding MaterialGeO₂-SiO₂ / SiO₂
Coating / Jacket MaterialSilicone / Polyamide
NA0.21 ± 0.02
Operation Temperature(℃)-20 ~ 60
Jacket ColorBlack

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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.