Polarization dependent return loss measurement
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United States of America Patent
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Apr 12, 2005
Grant Date -
Oct 7, 2004
app pub date -
Apr 4, 2003
filing date -
Apr 4, 2003
priority date (Note) -
Expired
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Abstract
The present invention relates to an apparatus and to a method of optical characterization of a DUT by measurement of its optical return loss, comprising the steps of: providing an incident polarized optical signal to the DUT, detecting a reflected power of a reflected optical signal reflected by the DUT as a function of the polarization of the incident optical signal, and evaluating the optical return loss of the DUT as a function of the polarization of the incident optical signal on the basis of the detected reflected power.
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