Characteristic research on terahertz radar: cross-section measurement and imaging

Dachuan Liang; Minggui Wei; Jianqiang Gu; Zhen Tian; Chunmei Ouyang; Jiaguang Han; Weili Zhang

doi:10.1117/12.2284333

24 October 2017 Characteristic research on terahertz radar: cross-section measurement and imaging

Dachuan Liang, Minggui Wei, Jianqiang Gu, Zhen Tian, Chunmei Ouyang, Jiaguang Han, Weili Zhang

Proceedings Volume 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications; 1046222 (2017) https://doi.org/10.1117/12.2284333
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

At present, the mechanism and devices of terahertz radar detection and imaging has attracted a lot of interest. Based on 4-f terahertz time-domain spectroscopy (THz-TDS) technology, a broad-band time domain terahertz radar system (0.1- 1.3 THz) was built for scattering and imaging characteristics of objects. Far-field radar cross-section measurements of different metal scaled models at terahertz frequencies were performed. The novel broadband radar can provide RCS distributions at arbitrary frequency and frequency-averaged RCS. Moreover, based on improved filtered back projection algorithm, imaging of the scaled models has also been retrieved, which can be helpful for scattering points searching and military shape optimization.

Citation Download Citation

Dachuan Liang, Minggui Wei, Jianqiang Gu, Zhen Tian, Chunmei Ouyang, Jiaguang Han, and Weili Zhang "Characteristic research on terahertz radar: cross-section measurement and imaging", Proc. SPIE 10462, AOPC 2017: Optical Sensing and Imaging Technology and Applications, 1046222 (24 October 2017); https://doi.org/10.1117/12.2284333

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