基于超构表面的光学计算与先进成像(特邀)  

Optical Computation and Advanced Imaging Based on Metasurface(Invited)

作　　者：郝慧捷 王新伟 刘俭[1,2] 丁旭旻[1,2] Hao Huijie;Wang Xinwei;Liu Jian;Ding Xumin(School of Instrumentation Science and Engineering,Harbin Institute of Technology,Harbin 150080,Heilongjiang,China;Key Laboratory of Ultra-Precision Intelligent Instrumentation,Ministry of Industry and Information Technology,Harbin Institute of Technology,Harbin 150080,Heilongjiang,China)

机构地区：[1]哈尔滨工业大学仪器科学与工程学院,黑龙江哈尔滨150080 [2]哈尔滨工业大学超精密仪器技术及智能化工业和信息化部重点实验室,黑龙江哈尔滨150080

出　　处：《激光与光电子学进展》2024年第16期116-141,共26页Laser & Optoelectronics Progress

基　　金：国家自然科学基金(62275063);国家重点研发计划(2021YFF0603500)。

摘　　要：由亚波长纳米结构组成的超构表面作为一种新兴的颠覆性技术,能够对相位、振幅值、偏振和色散等光场特性进行独立调控,这对于波前调控元件、集成成像系统、可穿戴光电设备来说都具有重要的意义。超构表面能够以光速对输入波信号进行复杂的模拟计算,为超薄、超快、高通量和高集成度的低功耗光学成像平台的构建提供了一种全新的方案。本文总结了基于超构表面的光学模拟计算和光学成像的最新进展,从二者之间的基本联系出发,讨论了全光计算超构表面和超构表面成像系统之间的内在联系,详细介绍了超构表面在这些领域的应用,包括图像处理、边缘检测、相位成像、集成化成像系统等,最后总结了超构表面光学计算当前面临的挑战,并展望了未来的发展方向。Metasurface,composed of subwavelength nanostructures,represents a disruptive and emerging technology that enables independent control of optical field characteristics,such as phase,amplitude,polarization,and dispersion.It is of significant importance for wavefront control elements,integrated imaging systems,and wearable optoelectronic devices.Metasurfaces allow for complex simulation calculations of input wave signals at the speed of light,providing a novel approach for constructing ultra-thin,ultra-fast,high-throughput,and highly integrated low-power optical imaging platforms.This article summarizes the recent advancements in optical simulation calculations and advanced imaging based on metasurfaces,discussing the fundamental connection between the two fields.The detailed overview of metasurface applications in these fields is provided,including image processing,edge detection,phase imaging,and integrated imaging systems.Finally,the current challenges facing metasurface optical computing are highlighted,and future directions for development are outlined.

关 键 词：超构表面 超构透镜 全光运算 光学成像 光场调控 

分 类 号：O436[机械工程—光学工程]