Proceedings PaperThe Multimode Gradient Optical Fiber Coupler For One And Two Directional Lines
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Optical fiber couplers are used to combine and to divide optical signals. The essential function of the couplers in both telecommunication lines and local nets is the input and the output of the energetical signals to and from the main line. The X and Y couplers, used so far, lessen energetical signals on the main line making impossible the annexation of more users to the main line. The multimode fiber coupler described below makes possible both the great signal's (in relation to the guided power) input to the main line and the output of a small one, but sufficient for a receiving set. The signal in the main line is insignificantly weakened.