Image:Fbg oadm.GIF

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[edit] Summary

Optical add-drop multiplexer, based on a Fiber Bragg Grating (FBG), and two circulators. 4 channels, depicted as 4 colours, impinge onto an FBG via an optical circulator. The FBG is set to one of the channels, here channel 4, which is reflected back to the circulator where it is directed down and "dropped" out of the system. Since the channel has been dropped, another signal on that channel can be "added" at the same point in the network.

[edit] Licensing

Uploader drew the image

I, the copyright holder of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

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	Date/Time	Dimensions	User	Comment
current	19:50, 15 July 2007	600×210 (5 KB)	Grahamwild (Talk \| contribs)	(== Summary == Optical add-drop multiplexer, based on a Fiber Bragg Grating (FBG), and two circulators. == Licensing == Uploader drew the image {{GFDL-self-no-disclaimers}})