圆极化
波前
圆二色性
光学
极化(电化学)
物理
反射(计算机编程)
计算机科学
化学
结晶学
微带线
物理化学
程序设计语言
作者
Hafiz Saad Khaliq,Kashif Riaz,Muhammad Zubair,Muhammad Afnan Ansari,Taimoor Naeem,Muhammad Qasim Mehmood,Dandan Liu,Jin Zhang,Weiren Zhu,Dajun Zhang,Xiong Wang,Muhammad Qasim Mehmood
摘要
Artificially engineered light-matter interactions provide a unique degree of freedom to tailor wavefront of the incident waves, through pixelated engineering of its phase, amplitude, and polarization. Such dynamic control introduces various intriguing functionalities. Here, we propose a highly efficient metamirror with circular dichroism, which enables selective reflection with preserved handedness and complete absorption of other polarization. The building block of circular dichroism metamirror working on the principle of Jones calculus. For such a phenomenon, it is necessary to break the nfold rotational (n < 2) symmetry and mirror symmetry simultaneously. The proposed highly efficient metamirror with circular dichroism designed in the microwave regime for wavefront engineering. The demonstrated methodology exhibits full reflection for left circularly polarized EM waves without reversing its handedness and completely absorbing the other handedness. Multifunctionality and fabrication simplicity makes the proposed light-matter interaction a promising route for detection and manipulation of circularly polarized light, encryption, and chiral imaging.
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