Terahertz metamaterial sensor integrated with microfluidic channel

Abstract

We design a terahertz sensor integrated with microfluidic channel and metamaterials. We simulate the transmission spectra of the sensor filled with three kinds of polar liquids – methanol, ethanol and 1-propanol respectively. By observing the frequency shift and the amplitude difference of the transmission spectra, the different analytes can be conveniently identified. The results manifest that the sensor can be applied to fast and real-time detection, which will develop the terahertz applications in biosensor, material identification and drug reaction monitoring.