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학술대회 Design of Integrated Refractive Index Sensor based on Bend Waveguide with a Trench Structure
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저자
류진화, 양회성, 강찬모, 도이미, 이강복, 엄남경, 백규하
발행일
201409
출처
International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD) 2014, pp.71-72
DOI
https://dx.doi.org/10.1109/NUSOD.2014.6935361
협약과제
14MC4200, 고 신뢰성 해양 센서 노드 및 센싱 요소 기술 개발, 백규하
초록
This study proposes a novel optical sensor structure based on a refractometer integrating a bend waveguide and an air trench. The optical sensor consists of a U-bend waveguide connecting four C-bends and a trench structure to expose the partial core layer. The U-bend waveguide consists of one C-bend with the maximum optical loss and three C-bend with minimum losses. A trench provides a quantitative measurement environment, and is aligned with the sidewall of a C-bend having the maximum loss. The intensity of the output power is dependent on the change of refractive index of the measured material.
KSP 제안 키워드
Change of refractive index, Optical loss, Optical sensors, Output power, Refractive index sensor, Sensor based, Trench structure, U-bend waveguide, quantitative measurement