Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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Fiber-Optic Temperature Sensor Based on Single Mode Fused Fiber Coupler

  • Received : 2008.08.11
  • Accepted : 2008.08.26
  • Published : 2008.09.25
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Abstract

This paper reports a fiber-optic temperature sensor using a single mode fused fiber coupler incorporating a thermo-optic external medium. The spectral transmission was altered by changing the refractive index of the external thermo-optic medium. A theoretical and experimental investigation was carried out with the aim of achieving high sensitivity. The measured sensitivity for the environmental temperature was as high as -1.5 $nm/^{\circ}C$.

Keywords

References

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