物理与工程2025，Vol.35Issue(5)：26-33,42,9.
从波动光学到负折射透镜:透镜成像分辨率极限的理论重释与教学实践创新
FROM WAVE OPTICS TO NEGATIVE-REFRACTION LENSES:THEORETICAL REVISITATION OF IMAGING RESOLUTION LIMITS AND PEDAGOGICAL INNOVATION IN OPTICAL SCIENCE
摘要
Abstract
Optical imaging,as a cornerstone of modern optical research,bears significant ap-plication value in both scientific exploration and engineering technologies.Fresnel diffraction theory reveals that when imaging a point source through an optical system,the interplay be-tween light's wave nature and finite lens aperture induces diffraction effects,generating an Airy disk whose spatial extent defines the Rayleigh diffraction limit.While current undergrad-uate curricula predominantly utilize Fresnel diffraction integrals for imaging resolution analy-sis,this study adopts a Fourier optics framework to rigorously derive the angular spectrum propagation of point-source radiation,thereby fundamentally unveiling the diffraction-limited nature of conventional lens systems.The first zero point of the intensity distribution in the circular aperture diffraction pattern is obtained through numerical solution based on the Fou-rier angular spectrum method,and the result is compared with that calculated using the Ray-leigh criterion.By further integrating cutting-edge developments in negative-refraction optics,we systematically elucidate the physical principles enabling negative-index metamaterials to overcome classical diffraction constraints.This work not only establishes a novel pedagogical paradigm for optical imaging theory but also provides a critical analytical framework for super-resolution imaging research,serving as a conceptual bridge between undergraduate optics edu-cation and advanced graduate studies in photonic innovation.关键词
物理/光学/傅里叶光学/负折射Key words
physics/optics/Fourier optics/negative refraction引用本文复制引用
陈林,邓明..从波动光学到负折射透镜:透镜成像分辨率极限的理论重释与教学实践创新[J].物理与工程,2025,35(5):26-33,42,9.基金项目
2025年华中科技大学教学研究项目"培养未来光电信息类新工科人才的新概念课程教学研究与实践"(2024099) （2024099）
2025年国家自然科学基金面上项目"片上复杂光场非对称转换研究"(12474382). （12474382）
