极高频率
毫米
各向异性
传输(电信)
比例(比率)
光学
物理
材料科学
光电子学
电信
计算机科学
量子力学
作者
Tie Jun Cui,Rui Yuan Wu,Wei Wu,Chuan Shi,Yun Bo Li
标识
DOI:10.1088/1361-6463/aa85bd
摘要
We propose fast and accurate designs to large-scale and low-profile transmission-type anisotropic coding metasurfaces with multiple functions in the millimeter-wave frequencies based on the antenna-array method. The numerical simulation of an anisotropic coding metasurface with the size of by the proposed method takes only 20 min, which however cannot be realized by commercial software due to huge memory usage in personal computers. To inspect the performance of coding metasurfaces in the millimeter-wave band, the working frequency is chosen as 60 GHz. Based on the convolution operations and holographic theory, the proposed multifunctional anisotropic coding metasurface exhibits different effects excited by y-polarized and x-polarized incidences. This study extends the frequency range of coding metasurfaces, filling the gap between microwave and terahertz bands, and implying promising applications in millimeter-wave communication and imaging.
科研通智能强力驱动
Strongly Powered by AbleSci AI