首页|A highly sensitive torsion sensor based on symmetrically polished SMS fiber structure
A highly sensitive torsion sensor based on symmetrically polished SMS fiber structure
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NSTL
Elsevier
We propose and experimentally demonstrate an optical fiber torsion sensor based on symmetrically polished single-multi-single mode (SP-SMS) fiber structure. The polished structure enhances the torsion response effectively, which is fabricated by a high-frequency CO2 laser. Experimental results show that the high sensitivity of the proposed torsion sensor reaches 1.032 nm/(rad m(-1)) in the range from -10.261 rad/m to 10.261 rad/m. Meanwhile, the temperature response of the sensor is also investigated, which is 21 pm/C in the range from 30 ?& nbsp;to 150 ?. Moreover, the structure has the features of low cost, simple fabricating method and small temperature crosstalk.
NSTL
Elsevier
