Recently, the transparent metasurface has widely attracted attention for its excellent performance and potential application in next generation of glass curtain walls and aircraft canopies. Yet, the existing metasurfaces suffer from the drawback of designer experience. Here, we propose a momentous scheme to design transparent metasurface using an accelerated elitist‐preserving genetic algorithm based on a geometric coding method. To verify the scheme, a transparently stacked metasurface (TSMS) has been designed for asymmetrical polarization decomposition. Simulated results show that TSMS reflects y ‐polarized waves into left‐handed circularly polarized (LHCP) waves and transmits them into right‐handed circularly polarized (RHCP) waves in the band of 8.5–9.7 GHz. The orthogonal circularly polarized waves are realized by TSMS with incidences along opposite direction. Moreover, TSMS reflects or transmits any polarized incidences into LHCP waves in one space and RHCP waves in the other space from 7.57 to 9.72 GHz. As a proof‐of‐concept, a prototype of TSMS was fabricated and measured in a microwave anechoic chamber. Experimental results coincide well with the simulated data, which demonstrate the characteristics of transparency, asymmetrically bidirectional polarization decomposition, and space selection of circular polarization for TSMS.
Li et al. (Mon,) studied this question.
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