Broadband Fiber Bragg Grating
The structure of the FBG can vary via the refractive index, or the grating period. The grating period can be uniform or graded, and either localised or distributed in a superstructure. This innovation tackles old challenges in filtering wide-spectrum optical signals. It promises better performance, more flexibility, and stronger durability. 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. Researchers at Shenzhen University have made a big leap in optical communications.
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