Multimode (MM) Fiber

Discover our range of multimode (MM) fibers in Graded Index (GRIN) variants, available with 50μm and 62.5μm germanium-doped cores, along with bend-insensitive options. To meet the demands of the most extreme environments, Fibercore also offers pure silica core GRIN fibers, specifically designed for long-term performance in hydrogen-rich downhole environments in the Oil & Gas industry and applications requiring enhanced resistance to radiation effects. Choose reliability and innovation with our tailored solutions.



Graded Index Multimode Fiber


- High bandwidth
- Carbon coating options for
reduced hydrogen sensitivity
- High temperature coatings for
150°C and 300°C
- 50μm and 62.5μm variants
- Bend Insensitive variants


Graded Index Multimode Pure Silica Core Fiber

- Coatings available for 150°C and 300°C
- Graded Index profile
- High bandwidth
- Hermetic coating option
- Hydrogen resistance


Large Core Fibers


- Wide range of coatings available
- High and low OH variants available, optimized for UV or visible/NIR applications
- Broad selection of core
diameters for high power applications
- Highly customizable designs,
alternative designs available by request
- ETFE and Nylon buffers available on request


S 185 LDF

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