METHOD OF MEASURING OPTICAL RETURN LOSS
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United States of America Patent
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Issued Date -
Jul 7, 2016
app pub date -
Jul 22, 2014
filing date -
Jul 22, 2013
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Abstract
A method of calculating optical return loss (ORL) in a fiber network includes injecting a plurality of pulses of light at a known first power level into the fiber network, determining a location at which end reflection is detected, measuring a second power level of each of a plurality of returned pulses of light, measuring a third power level of a pulse of light returned from the determined location, and calculating ORL based on the first power level, the second power level and the third power level.
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