Method and system for electrochemical impedance spectroscopy

Details Method and system for electrochemical impedance spectroscopy Method and system for electrochemical impedance spectroscopy

2011-01-25

2011-01-25

Bello, Agustin (Department: 2613)

Optical communications

Diagnostic testing

C398S010000, C398S016000, C398S020000

Reexamination Certificate

active

07877009

ABSTRACT:
A method and system of measuring the spectroscopic impedance of a sensor and its immediate surroundings. The sensor is disposed on an engineered structure and is coated with a protective coating. The method includes providing a first optical signal having a first modulation frequency and amplitude. The method also includes transmitting the first optical signal and a second optical signal from a first location to a sensor location. The method also includes modulating the second optical signal with a second modulation frequency and amplitude, the second modulation frequency and amplitude converted from the first optical signal. The method also includes comparing the first modulation frequency to the second modulation frequency to determine one of a phase difference and a time lag and calculating the electrochemical impedance spectroscopy of the sensor and its immediate surroundings as a function of frequency.

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U.S. Appl. No. 11/613,670, filed Dec. 20, 2006 by inventors Wang et al., entitled “Detection System”.

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