Polarization dependent return loss measurement

Details Polarization dependent return loss measurement Polarization dependent return loss measurement

2005-04-12

2005-04-12

Nguyen, Tu T. (Department: 2877)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

06879387

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.

REFERENCES:
patent: 5864400 (1999-01-01), Bottazzi et al.
patent: 6580498 (2003-06-01), Harley

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