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Fully Integrated Solutions for High Resolution Terahertz Imaging (Invited)

机译：高分辨率太赫兹成像的全集成解决方案（已邀请）

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This paper is an overview of the advances of the integrated sub-THz/THz imaging technology. The challenges to implement fully integrated imaging systems at this frequency range are discussed and solutions to overcome them are presented. We review the design of a 320 GHz transmission based coherent imaging transceiver fabricated in 130 nm SiGe BiCMOS technology. The optimum design of the terahertz radiator in this work is discussed and the measurement results are provided. Next, we present the implementation of a fully integrated reflection-based FMCW imaging radar which operates at 170 GHz. In order to provide a wideband chirp, we provide a design technique to maximize the tuning bandwidth of the VCO. We also review a FMCW radar at 220 GHz with 62GHz of bandwidth, where we use the Inverse Synthetic Aperture Radar technique to reconstruct high resolution 2D and 3D images. We conclude the paper by a brief overview of the other available THz imaging techniques, and suggest emerging methods for a real-time THz imaging system.
机译：本文概述了集成的亚太赫兹/太赫兹成像技术的发展。讨论了在此频率范围内实施完全集成的成像系统所面临的挑战，并提出了克服这些挑战的解决方案。我们回顾了采用130 nm SiGe BiCMOS技术制造的基于320 GHz传输的相干成像收发器的设计。讨论了太赫兹辐射器在这项工作中的最佳设计，并提供了测量结果。接下来，我们介绍在170 GHz下运行的完全集成的基于反射的FMCW成像雷达的实现。为了提供宽带线性调频，我们提供了一种设计技术来最大化VCO的调谐带宽。我们还回顾了带宽为62GHz的220 GHz的FMCW雷达，在此我们使用逆合成孔径雷达技术来重建高分辨率2D和3D图像。我们通过简要介绍其他可用的THz成像技术来结束本文，并提出用于实时THz成像系统的新兴方法。

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