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Fiber Bragg Grating (FBG)

A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. This is achieved by creating a periodic variation in the refractive index of the fiber core, which generates a wavelength-specific dielectric mirror. A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector.

Raysung equips 30 work stations in its Fiber Bragg Grating (FBG) workshop, enabling a monthly production capacity of nearly 150,000 pieces. Raysung is capable of manufacturing various FBGs, including Uniform FBG, Apodized FBG, Double-Clad FBG, as well as Chirped FBG.

Schematic Diagram

FBG on bare fiber

FBG with connector on pigtail