FIBER OPTIC SENSORS BASED ON THE MACH–ZEHNDER AND MICHELSON INTERFEROMETERS

Chapter 10 FIBER OPTIC SENSORS BASED ON THE MACH–ZEHNDER AND MICHELSON INTERFEROMETERS Anthony Dandridge, Anthony Dandridge Optical Sciences Division, U.S. Naval Research Laboratory, Washington, DC, USASearch for more papers by this author Anthony Dandridge, Anthony Dandridge Optical Sciences Division, U.S. Naval Research Laboratory, Washington, DC, USASearch for more papers by this author Book Editor(s):Eric Udd, Eric Udd Columbia Gorge Research LLC, Fairview, OR, USA McDonnell Douglas Electronic Systems Company, Santa Ana, CA, USASearch for more papers by this authorWilliam B. Spillman Jr., William B. Spillman Jr. Columbia Gorge Research LLC, Fairview, OR, USASearch for more papers by this author First published: 05 April 2024 https://doi.org/10.1002/9781119678892.ch10 AboutPDFPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShareShare a linkShare onEmailFacebookTwitterLinkedInRedditWechat Summary Fiber optic interferometric sensors, as well as having the advantages generally attributed to fiber sensors, such as electrically passive, lightweight, immunity to electromagnetic interference, and multiplexing, have the additional advantages of geometric versatility of the sensing element, wide dynamic range, and extremely high sensitivity. This chapter explains the basic principle of operation of the sensors: two-beam interferometry. It also describes two of the basic methods of interferometer demodulation. 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