Detecting device for detecting insertion loss and return loss of individual events in an optical fiber network
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United States of America Patent
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Sep 16, 2014
Grant Date -
Dec 5, 2013
app pub date -
Jan 8, 2013
filing date -
May 29, 2012
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Abstract
A detecting device that detects insertion loss of fiber route and return loss of individual events in an optical fiber network based on signals from dual paths to obtain various kinds of reference information of the optical fiber network. When the first path is selected, a detection signal produced using frequency modulated continuous wave (FMCW) technique is output to the optical fiber network. A return signal of the detection signal is used to analyze the position and return loss of various events in the optical fiber network. When the second path is selected, a common detection light is output to the optical fiber network. Based on the return signal of the common detection light, the insertion loss and total return loss of the entire network are obtained.
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