High-powered optical module safety systems and methods
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United States of America Patent
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Aug 26, 2014
Grant Date -
Feb 27, 2014
app pub date -
Aug 23, 2012
filing date -
Aug 23, 2012
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Abstract
A method, optical module, and optical amplifier are configured to detect fiber discontinuities at or near a port from which high powered optical signals are input into a fiber span. These fiber discontinuities can include fiber pinches, and are detected by monitoring for slight changes in a backscatter signal. Detection is quick and efficient based on the backscatter signal being attenuated by the fiber discontinuities twice, namely once as the high powered optical signals and again as the associated backscatter signal of the high powered optical signals returning to the port. Various remedial actions can be taken upon detecting fiber pinches at or near the port.
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