Fluid Sensor Based on Transmission Dip Caused by Mini Stop-Band in Photonic Crystal Slab |
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| Authors: | CAO Lei HUANG Yi-Dong MAO Xiao-Yu LI Fei ZHANG Wei PENG Jiang-De |
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| Affiliation: | State Key Lab of Integrated Optoelectronics, Department of Electronic Engineering Tsinghua University, Beijing 100084 |
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| Abstract: | We propose a fluid sensor based on transmission dip caused by mini stop-band in photonic crystal slabs. Simulation results show that this novel type of sensors has large detective range (more than 1.5) and relative high sensitivity (4.3×10-5 in certain conditions). The central frequency and bandwidth of the mini stop-bands depend on the structure parameters of PC waveguides, which makes it possible to optimize the detective range and detective sensitivity. |
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| Keywords: | 42.81.Pa 42.79.-e 42.70.Qs |
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