Signal processing for passive interferometry

Details Signal processing for passive interferometry Signal processing for passive interferometry

2006-06-27

2006-06-27

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With optical coupler

C356S035500

Reexamination Certificate

active

07068872

ABSTRACT:
A method of conducting passive interferometry utilizing an optical coupler having N bidirectional input/output ports as an interferometer head, the method comprising the steps of for each of said ports, inserting an optical input signal into the port utilizing an optical network and measuring a corresponding optical output at each of the ports utilizing the optical network, forming products containing at least some of the N2optical outputs each, wherein the products are chosen such that each of the products comprises the same network dependent factor and eliminating the network dependent factor to obtain substantially network independent measurements.

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