Applications of short fiber optic gratings
The primary application of fiber Bragg gratings is in optical communications systems. The signal is reflected back to the circulator where it is directed down and dropped ou. 2 mm and constant grating period (uniform FBG) is proposed as an integrated dispersive element for spectral analysis in a single-mode glass fiber. This treated area functions like a specialized mirror, reflecting a specific wavelength of light while allowing all other wavelengths to pass through.
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