铟
氧化铟锡
材料科学
太赫兹辐射
振幅
相(物质)
二进制数
非线性系统
锡
光电子学
氧化物
光学
物理
纳米技术
冶金
薄膜
数学
算术
量子力学
作者
Xi Feng,Xueqian Zhang,Haidi Qiu,Quan Xu,Weili Zhang,Jiaguang Han
摘要
Terahertz (THz) waves have demonstrated immense potential for various applications in multiple fields. To enable the development of compact THz applications, it is crucial to integrate THz emission and wavefront manipulation into a single device. This study proposes and experiments with a nonlinear binary THz emitter that utilizes a patterned indium-tin-oxide (ITO) film. By precisely controlling the displacements and area sizes of the composed ITO patches, we are able to fully and independently manipulate the phase and amplitude of the locally emitted THz wave at the +1st-order diffraction, so as to the corresponding wavefront. Our innovative approach provides a promising path toward miniaturized and functioning THz devices and systems.
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