Optics: measuring and testing – By light interference – Having polarization
Reexamination Certificate
2005-04-22
2008-12-16
Connolly, Patrick J (Department: 2877)
Optics: measuring and testing
By light interference
Having polarization
C356S073100
Reexamination Certificate
active
07466425
ABSTRACT:
A method for characterizing a device under test includes propagating multiple optical signals through the device under test and combining the multiple optical signals with a reference optical signal. The multiple optical signals are mixed with the reference optical signal and a relative perturbation between the multiple optical signals from the mixing of the multiple optical signals with the reference optical signal is determined. In another embodiment a modulated optical signal is provided from a local oscillator and the modulated optical signal is combined with the input optical signal. The modulated optical signal is mixed with the input signal to provide a mixed signal and at least one polarization-resolved parameter of the input optical signal is extracted from the mixed signal.
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Search Report Dated: Sep. 28, 2005.
Agilent Technologie,s Inc.
Connolly Patrick J
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