Abstract
A highly accurate linear method of static phase shift measurement based on the concurrent utilization of signal fading, a tan<SUP>-1</SUP> algorithm and photovoltage spectrum analysis in a fiber optic interferometric strain sensor is presented. The static phase shift is superimposed on a controlled dynamic phase modulation derived from an optical phase modulator in one arm of the interferometer. Good agreement is demonstrated between the phase shift obtained through experiment and that from the theoretical analysis based on 1/f noise. This detection scheme has wide applications to static and dynamic phase shift measurements in fiber optic interferometric sensors used in several smart structure configurations.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
