Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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A Study on the Normalized Analysis of Sensitivity Optimization of Evanescent-Field, Integrated-Optic Biosensor based on Planar Optical Waveguide

평면 광도파로 기반의 소산파 집적광학 바이오센서의 감지도 최적화에 관한 정규화 해석에 관한 연구

  • Jung, Hongsik (Dept. of Electronic & Electrical Engineering, College of Science and Technology, Hongik Unversity)
  • 정홍식 (홍익대학교전자전기공학과)
  • Received : 2017.11.09
  • Accepted : 2018.01.25
  • Published : 2018.01.31
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Abstract

Closed-form analytical expressions and 3-dimensional normalized charts for the homogeneous sensing and surface sensing structures are derived to provide the conditions for the maximum sensitivity of integrated-optic biosensors based on evanescent-wave and stepindex planar optical waveguides. The analysis is made for transverse electric (TE) polarization mode, in both cases where the measurand is homogeneously distributed in the cover (namely, homogeneous sensing), and where it is an ultrathin film on the waveguide-cover interface (namely, surface sensing).

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References

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