| 单词 | modal bandwidth |
| 释义 | modal bandwidth The measure of the capacity of a multimode fiber (MMF) in Gbps applications, modal bandwidth is expressed in MHz/km. A MMF with a higher modal bandwidth will support data transmission at a given rate over a longer distance. Modal bandwidth is determined by the dispersion characteristics of the fiber, including both modal dispersion and chromatic dispersion. MMF core diameter (50µ vs. 62.5µ) is one of the fiber attributes that influence modal bandwidth. See also chromatic dispersion, dispersion, MMF, and modal dispersion. |
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