Selection of a signal input from an optical fiber member

Details Selection of a signal input from an optical fiber member Selection of a signal input from an optical fiber member

2008-05-13

2008-05-13

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

11274444

ABSTRACT:
The present invention provides methods and apparatuses for analyzing optical parameters of a selected optical fiber member. A signal input from an optical fiber member is selected by instructing a corresponding optical separation device. The output from the corresponding optical separation device is combined with the outputs of other optical separation devices using an optical coupler. A common measurement circuit measures the optical parameter from the output. Proper operation of an optical separation device is validated by a monitoring circuit. The monitoring circuit may provide an indication to a user or may be processed by a diagnostic processor. A processing circuit selects one of the optical separation devices in order to measure the optical parameter for a corresponding optical fiber member and consequently instructs an adjustment circuit to cause the selected optical fiber member to conform to a desired value of the optical parameter.

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