基于全介质超表面的太赫兹波段偏振复用计算全息成像

IF 0.6 4区物理与天体物理 Q4 OPTICS

光子学报 Pub Date : 2023-01-01 DOI:10.3788/gzxb20235208.0809001

张育铭 ZHANG Yuming, 范文慧 FAN Wenhui, 吴奇 WU Qi, 秦冲 QIN Chong

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引用次数: 0

摘要

提出利用全介质超表面实现太赫兹波段计算全息成像技术方案，采用基于几何相位调控的全介质超表面实现了频率0.95 THz~1.2 THz的宽带全息成像。在此基础上，设计了基于几何相位和传输相位同时调控的全介质超表面并实现了偏振复用全息成像。该研究提高了超表面的复用能力和工作效率，有望解决金属超表面存在的固有欧姆损耗和低极化转换效率等问题。同时可以激发Mie型电共振和磁共振实现波前调制，为开发高效、轻便、低成本的太赫兹功能器件提供了一种新途径。

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基于全介质超表面的太赫兹波段偏振复用计算全息成像

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来源期刊

光子学报 OPTICS-

CiteScore

1.30

自引率

16.70%

发文量

11207

期刊介绍： Acta Photonica Sinica is a monthly journal which is sponsored and edited by The Chinese Optical Society, co-sponsored by Xi"an Institute of Optics and Precision Mechanics, CAS, and published by Science Press. It mainly publishes the academic thesis, the research note, the research letter on Photonics. The contents of the Acta deal with Optics, particularly, Transient Optics, Optoelectronics, Integrated Optics, Information Optics, Guided Wave Optics, Nonlinear Optics, Photo-Biology, Optical Communication, Optical Sensing, Optical Computing, Optical Neural Network, High Speed Photography, Intellectualized Optical Instrument, Photon Function Materials, Interaction between Photons, Classical and Nonclassical effects of Photons, etc.