Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Optical Sensor Based on Evanescent Field Coupling Between Side-Polished Polarization Maintaining Fiber and Planar Waveguide Coupler

측면 연마 편광 유지 광섬유와 평면 도파로 사이의 소산장 결합을 이용한 광센서

  • 김광택 (호남대학교 광전자공학과) ;
  • 황보승 (호남대학교 광전자공학과) ;
  • 강용철 (호남대학교 광전자공학과)
  • Published : 2004.05.31
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Abstract

We have investigated the optical characteristics of a directional coupler made of a side-polished polarization maintaining fiber in contact with a multimode planar waveguide and its applications as sensors. A device structural condition to achieve the polarization insensitive wavelength response has been presented. The fabricated devices revealed a superior immunity to the bending and the deformation of PM fibers in the input section. It is experimentally shown that the proposed device is suitable for a remote fiber sensor.

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References

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