QUAD OPTICAL TIME DOMAIN REFLECTOMETER (OTDR)
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United States of America Patent
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Issued Date -
Jun 9, 2016
app pub date -
Jan 27, 2016
filing date -
Jan 27, 2016
priority date (Note) -
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Abstract
An optical device that includes a first laser source, a multimode coupler optically connected to the first laser source, a first test port optically connected to the multimode coupler, a second laser source, a singlemode coupler optically connected to the second laser source, a second test port optically connected to the singlemode coupler, a photodetector, and a multimode/singlemode combiner optically connected to the multimode coupler, singlemode coupler and photodetector.
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