数字全息与定量相位成像:进展与展望(特邀)  

Digital Holography and Quantitative Phase Imaging:Advances and Prospects(Invtied)

作　　者：黄郑重 曹良才[1] HUANG Zhengzhong;CAO Liangcai(Department of Precision Instruments,Tsinghua University,Beijing 100084,China.)

机构地区：[1]清华大学精密仪器系,北京100084

出　　处：《光子学报》2024年第9期1-27,共27页Acta Photonica Sinica

基　　金：国家自然科学基金(No.62235009)。

摘　　要：全息术的提出为光波场的定量分析提供了一个开创性的技术方案。经过70余年的发展,基于全息术的计算成像已成为光场定量测量的重要工具,它的出现为物理学、生物学和材料科学领域提供了新的观测维度,搭建了光学成像和光散射领域的桥梁,突破了传统光学成像系统与图像采集设备的物理限制,在疾病的病理研究和材料的表征中起着至关重要的作用。本文从信号分析的角度出发,将全息的记录与重建过程看作是复数域与实数域之间的转换,讨论全息重建的数学原理与物理实现过程,并以生物医学领域为应用导引,总结了全息成像的新挑战和机遇。In 1948,GABOR D proposed the concept of holography,which provided a pioneering technical solution for the quantitative analysis of light-wave fields.After more than 70 years of development,computational imaging and quantitative phase imaging based on holography has become an important tool for the quantitative measurement of the light-wave field.It provides a new observation dimension for the fields of physics,biology and materials science,and builds a bridge of optical imaging and light scattering.It breaks through the physical limitations of conventional optical imaging systems.It plays a crucial role in the pathological study of diseases and the characterization of materials.From the point of signal analysis,the process of holographic recording and reconstruction can be regarded as the transformation between the complex domain and the real domain.The mathematical principle and physical realization of digital holography are discussed.In addition,the new challenges of holographic imaging are summarized in the prospects.The propagation of wavefront is described by the complex-amplitude distribution.The idea of digitally reconstructing the optical wavefront first appeared in the 1960 s.However,there was array-detector-based holographic imaging for applications until the 1990 s.At that time,two sectors of technology have been important developments.One of which is that microtechnological processes have resulted in CCD arrays with sufficiently small pixels to fulfill the Shannon condition,which is suitable for the spatial sampling of an optical wavefront.The other is that the computational treatment of images has become accessible largely,which has benefited from the significant improvement in microprocessor performance,in particular their processing units as well as storage capacities.Due to the high-frequency oscillation of visible light wavefront,Conventional optical detectors only respond to the intensity or amplitude of the incident light.Only the intensity-value measurement in the real-domain can be recorded b

关 键 词：全息术 数字全息 定量分析 光学成像 信号分析 

分 类 号：O4[理学—物理]