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Simulation and optimization of polymer-coated microsphere resonators in chemical vapor sensing

机译:化学气相传感中聚合物包覆的微球谐振器的仿真和优化

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摘要

This study presents a chemical vapor sensor based on polymer-coated microsphere resonators. A theoretical simulation of the sensor response is performed, and optimization of the polymer layer thickness is investigated. Results show that the sensor exhibits a good linearity and a low detection limit of the refractive index change. Especially at the thermostable thickness of the polymer layer, the refractive index detection limit of the wavelength around 780 nm can be as low as approx2 X 10~(-8) refractive index unit for a spectral resolution of 10 fm, without any temperature control. Because of the good sensing performance and simple manipulation, the proposed sensor is a very promising platform for chemical vapor detections.
机译:这项研究提出了一种基于聚合物涂层微球谐振器的化学蒸汽传感器。进行了传感器响应的理论模拟,并研究了聚合物层厚度的优化。结果表明该传感器具有良好的线性度和较低的折射率变化检测极限。尤其是在聚合物层的热稳定厚度下,在没有任何温度控制的情况下,对于10 fm的光谱分辨率,大约780 nm波长的折射率检测极限可以低至大约2 X 10〜(-8)折射率单位。由于良好的感测性能和简单的操作,所提出的传感器是用于化学蒸气检测的非常有前途的平台。

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