Development of Force Sensor System Based on Tri-Axial Fiber Bragg Grating with Flexure Structure
- Dongjoo Shin
- Hyeong-U Kim
- Atul Kulkarni
- Young-Hak Kim
- Taesung Kim
DOIAbstract
Fiber Bragg grating (FBG) sensors have an advantage over optical sensors in that they are lightweight, easy to terminate, and have a high flexibility and a low cost. Additionally, FBG is highly sensitive to strain and temperature, which is why it has been used in FBG force sensor systems for cardiac catheterization. When manually inserting the catheter, the physician should sense the force at the catheter tip under the limitation of power (<0.5 N). The FBG force sensor can be optimal for a catheter as it can be small, low-cost, easy to manufacture, free of electromagnetic interference, and is materially biocompatible with humans. In this study, FBG fibers mounted on two different flexure structures were designed and simulated using ANSYS si...
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