High-Performance Energy Selective Surface Based on Equivalent Circuit Design Approach

A Microwave Field-Induced Nonlinear Metamaterial with Wafer Integration Level

“…In recent years, artificial electromagnetic materials have attracted great interest from researchers because of their special electromagnetic properties that ordinary materials lack in nature. − Many efforts have been made to improve the performance and operational dimensions of artificial electromagnetic materials in electromagnetic waves’ transmission and reflection. − …”

“…To help with accelerating the response, based on electromagnetic power control, the concept of an energy selective surface (ESS) was proposed to achieve the adaptive switch of the transmission and isolation states in real-time according to the radiation field strength of the external electric field. 7,8,12 This adaptive real-time switching characteristic and energy low-pass feature can be used for the electromagnetic protection of sensitive equipment. However, due to the limited machining accuracy or the influence of device welding and packaging on electromagnetic parasitic parameters, the maximum working frequency band is only 2 GHz, and those designs are all concentrated below the X-band.…”

“…Due to the extremely high processing accuracy of micronano process, most of the designed metamaterials work in the subterahertz or terahertz frequency band, and have focused on the FSS. − In micronano technology, the reconfiguration is usually realized by the switching characteristics of micro electro mechanical systems (MEMS) devices. − However, this kind of reconfigurable metamaterial requires an external complex control circuit or an external power supply, which makes the control process more complicated, and the response time fails to meet the instantaneous response demand. To help with accelerating the response, based on electromagnetic power control, the concept of an energy selective surface (ESS) was proposed to achieve the adaptive switch of the transmission and isolation states in real-time according to the radiation field strength of the external electric field. ,, This adaptive real-time switching characteristic and energy low-pass feature can be used for the electromagnetic protection of sensitive equipment. However, due to the limited machining accuracy or the influence of device welding and packaging on electromagnetic parasitic parameters, the maximum working frequency band is only 2 GHz, and those designs are all concentrated below the X-band.…”

A composite energy‐selective surface based on diode‐induced VO2 conduction for the applications of adaptive electromagnetic protection

“…The conventional nonlinear components are diodes. [4][5][6][7] However, the high cost of diodes limits the application of ESS. In recent years, there has been a certain research foundation on the phase change character of Vanadium dioxide (VO 2 ) under high intensity electromagnetic environment, but its high level of metal-insulator transition (MIT) field, generally tens of kV/m, limits its application in the field of electromagnetic protection.…”

Design of a polarization selective surface for co‐channel interference suppression

“…In refs. [6–8], various energy selective surfaces (ESSs) are reported, which allow lower‐power incident signals to propagate and prohibit high‐power CCI signals. In addition, polarization, as an essential information carried by the EM wave, is also potential for CCI suppression.…”