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首页> 外文期刊>Optical and quantum electronics >A high-sensitive sensor and band-stop filter based on intersected double ring resonators in metal-insulator-metal structure
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A high-sensitive sensor and band-stop filter based on intersected double ring resonators in metal-insulator-metal structure

机译：基于金属绝缘金属结构中相交双环谐振器的高敏感传感器和带式停止滤波器

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In this paper, a waveguide coupled with two intersected cavity ring resonators, based plas-monic sensor has been proposed, which is compact in design with higher sensitivity. The structural parameters of the sensor has a key role in its sensitivity and transmission spectrum, and are analyzed using the finite-difference time-domain method embedded in the commercial simulator Rsoft. The results yield a linearity between the refractive index of the material under testing and its resonance wavelengths. The maximum achieved linear sensitivity was S = 2448 nm/RIU for the second mode and S = 1120 nm/RIU for the first mode, its corresponding sensing resolution is 4.08×10~(-6) RIU for mode 2 and 8.98×10~(-6) RIU for mode 1, which makes our design a promising candidate for high performance nano-sensors and bio-sensing devices. It's also applicable as a band-stop filter, due to the fact that the positions of transmission peaks and bandwidth can be easily manipulated, by adjusting both the inner radius and the distance between the centers of the two ring resonators.
机译：本文提出了一种与两个相交的腔环谐振器联接的波导，已经提出了一种基于的PLAS声音环形传感器，其设计具有更高的灵敏度。传感器的结构参数在其灵敏度和传输频谱中具有关键作用，并使用商业模拟器RSOFT中的有限差分时间域方法进行分析。结果在测试及其共振波长下，产生材料的折射率与其共振波长之间的线性。对于第一模式的第二模式和S = 1120nm / Riu的最大达到的线性灵敏度是S = 2448nm / Riu，其相应的感测分辨率为4.08×10〜（-6）Riu，用于模式2和8.98×10〜 （-6）模式1的RIU，这使我们设计了高性能纳米传感器和生物传感装置的有希望的候选者。由于可以通过调节两个环谐振器的中心之间的内半径和距离可以容易地操纵透射峰和带宽的位置，这也适用于带停止过滤器。

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