毫米波及太赫兹准光学技术:理论、应用与发展  

Quasi-optical technology in the millimeter and terahertz wave ranges:theory,applications and development

作　　者：刘小明 俞俊生[2] 陈晓东[2,3] LIU Xiaoming;YU Junsheng;CHEN Xiaodong(School of Physics and Electronic Information,Anhui Normal University,Wuhu Anhui 241002,China;School of Electronic Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China;School of Electronic Engineering and Computer Science,Queen Mary University of London,London,E14NS,UK)

机构地区：[1]安徽师范大学物理与电子信息学院,安徽芜湖241002 [2]北京邮电大学电子工程学院,北京100876 [3]英国伦敦玛丽女王大学电子工程与计算机学院,英国伦敦

出　　处：《太赫兹科学与电子信息学报》2022年第7期631-652,共22页Journal of Terahertz Science and Electronic Information Technology

基　　金：国家自然科学基金资助项目(61871003);CEMEE国家重点实验室基金资助项目(CEMEE2022Z2010B)。

摘　　要：针对毫米波及太赫兹技术在遥感、天文探测以及成像等领域的应用,讨论了准光技术的基本原理、关键器件、系统构成及其技术优势;探讨了准光技术国内外现状及未来的发展趋势。准光技术是基于高斯波束在自由空间中传播而进行系统设计与分析的一种技术。利用准光技术实现的毫米波及太赫兹系统具有高功率处理能力,具备多极化、低传输损耗以及紧凑性等优点。准光技术在未来的各个领域将会有更加广阔的应用前景。This paper gives an overview to the fundamental principles,key components,system design and technical advantages of quasi-optical technology,particularly for its applications in the millimeter and terahertz systems in fields of remote sensing,radioastronomy,and imaging.A perspective to the state-of-the-art and future development of quasi-optical technology has been given.Quasi-optical technology is a set of system design and analysis techniques based on Gaussian beam propagation in free space.Systems based on quasi-optical technology bears advantages of high-power handling capability,multi-polarization,low transmission loss,and high compactness.In the future,quasi-optical technology will be seeking more applications in these areas and further development can be highly envisaged.

关 键 词：毫米波 太赫兹 准光技术 高斯波束 波束波导 射电天文 遥感 成像探测 

分 类 号：TN015[电子电信—物理电子学]