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Tele-Communication (Telecom) Terms Glossary and Dictionary
DSF: Dispersion Shift Fiber
Dispersion-shifted fiber (DSF) is a type of single-mode fiber designed to have zero dispersion near 1550 nm. Dispersion Shift Fiber (DSF) is specified in ITU-T G.653. It has had dopants added which shift the zero-dispersion wavelength from the natural 1300 nm in silica-glass fibers to the minimum-loss window at 1550 nm.
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