Abstract
Fiber-optic magnetic sensors utilize the magnetostriction of a ferromagnetic material to produce a field-dependent change in optical path length in one arm of a Mach-Zehnder interferometer.1 Metallic glass ribbons are highly efficient in transforming magnetic energy into mechanical strain energy and, therefore, make excellent candidates for magnetic sensing elements. Bonding an optical fiber to the ribbon allows the field-dependent strain in the metallic glass to be transferred to the fiber core.
© 1985 Optical Society of America
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