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11 November 2014 Micro-bubble-based wavelength division multiplex optical fluidic sensing
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Wavelength division multiplex technology can enhance the sensing capacity by detecting various samples simultaneously. Whisper-Gallery-Mode (WGM) can be selected simulated in the micro-bubble by a directional coupler made by Si3N4 grating. Some grating parameters, including period, width, and refractive index modulation are numerically simulated by FDTD solution software to find their impacts on the WGM selected process. Grating with a particular period can simulated a WGM in micro-resonator on purpose. The interference of different bubble resonators is also discussed in this paper.
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Xuezhi Zhang, Tiegen Liu, Junfeng Jiang, Kun Liu, Zhe Yu, Wenjie Chen, and Wenhui Liu "Micro-bubble-based wavelength division multiplex optical fluidic sensing", Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92740P (11 November 2014); doi: 10.1117/12.2074523;

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