Analytical and experimental studies on asymmetric bundle fiber displacement sensors

Document Type

Article

Publication Date

1-1-2009

Abstract

A fiber-optic displacement sensor (FODS) is theoretically and experimentally studied using an asymmetrical bundled fiber. The bundled fiber consists of two parallel fibers with different core radial ratios (CRRs) to achieve different sensitivity and dynamic range for displacement measurements. Both analytical modeling and experimental observations show that the linear range and sensitivity can be adjusted by controlling the CRR between transmitting and receiving fibers. This increases the flexibility of the sensor, which can be used for precise non-contact sensing applications.

Keywords

Asymmetric bundle fiber sensor, Bundled multimode fiber, Fiber-optic displacement sensor

Divisions

fac_eng,PHYSICS

Publication Title

Journal of Modern Optics

Volume

56

Issue

17

Publisher

Taylor & Francis

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