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dispersion-shifted fiber |
Also found in: Acronyms, Wikipedia | 0.04 sec. |
dispersion-shifted fiberA singlemode optical fiber that has been designed to reduce chromatic dispersion. The fiber core is fabricated in several layers with different refractive indices running in parallel throughout its length. Zero-dispersion-shifted fiber has zero chromatic dispersion at 1550 nm. It is no longer manufactured, because it causes interference in WDM transmission. Nonzero-dispersion-shifted fiber is designed for WDM. It has zero dispersion near 1500 nm and beyond 1600 nm, which provides lower dispersion in the 1550 nm range. See graded-index fiber, step index fiber and dispersion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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LEAF fiber, the most widely-deployed non-zero dispersion shifted fiber (NZ-DSF) in the world, has a patented large effective area and moderate dispersion to allow higher levels of power to be transmitted through the fiber than standard NZ-DSFs, minimizing the non-linear effects that degrade system performance. TeraLight Metro is Alcatel's Non-Zero Dispersion Shifted Fiber (NZ-DSF) optimized for applications in networks covering distances between 70 and 200 kilometers. TeraLight Ultra, Alcatel's non-zero dispersion shifted fiber is ideal for successful operation over high data rates and long distances. |
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