Abstract
AbstractThis paper presents a new design of liquid metal frequency reconfigurable antenna. The antenna takes the electrically driven patch antenna as the idea. Based on the microstrip antenna, the slot is cut at the appropriate position of the microstrip antenna radiation patch to change the resonant length of the antenna. Using the fluidity and good electrical characteristics of gallium indium alloy (EGaIn). Injecting liquid metal into a microfluidic channel filled with sodium hydroxide solution. And the liquid metal flows to the appropriate position under the driving of voltage, so as to supplement the radiation patch, make the antenna completely in the path state, and realize the reconfiguration between 2.44 and 2.5 GHz frequency range through the change of radiation patch state. From the simulation results, we can easily conclude that the antenna has good performance, has various advantages of microstrip antenna and is simple to manufacture.KeywordsLiquid metalFrequency reconfigurable antennaMicrostrip antennaSimulation
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