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ferrule |
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ferruleA ceramic, plastic or stainless steel part of a fiber-optic plug that holds the end of the fiber and precisely aligns it to the socket. The fiber is inserted into the ferrule and cemented with an epoxy or adhesive, which gives it long-term mechanical strength and prevents contamination from the weather. Connectors may also use crimped ferrules that do not require cement. The ferrule is the most important and costly part of a fiber connector. If its length, hole centering and inside and outside diameters are not exact, a poor connection will result. See fiber optics glossary.
ferrule, ferule 1. a metal ring, tube, or cap placed over the end of a stick, handle, or post for added strength or stability or to increase wear 2. a side opening in a pipe that gives access for inspection or cleaning 3. a bush, gland, small length of tube, etc., esp one used for making a joint 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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