Development of a Back Bone Shape Allay Force Sensor using Optical Fiber

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  • Arata Jumpei
    Graduate School of Engineering, Nagoya Institute of Technology
  • Terakawa Shogo
    Graduate School of Engineering, Nagoya Institute of Technology
  • Fujimoto Hideo
    Graduate School of Engineering, Nagoya Institute of Technology

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  • 光ファイバを応用した背骨型アレイ式力センサの開発
  • ヒカリファイバ オ オウヨウ シタ セボネガタ アレイシキリョク センサ ノ カイハツ

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Abstract

In recent years, the needs of force measurement in medicine are becoming stronger to realize further effective treatments and quantitative assessments. In this paper, we propose a new force sensor using fiber optic that is compatible with medical applications. Fiber Bragg Grating (FBG) enables force measurement in the long axis of the fiber by measuring the wavelength shift of spectral response of light source. The presented backbone shape allay force sensor using FBG fiber optic was developed to realize a multi-DOF bending force sensing in a compact stick shape implementation with the capability of sterilization and temperature compensation. In this paper, the sensor structure, mechanical principle, prototype implementation and evaluation are descried.

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