Recent Advances of Terahertz Imaging Technologies
Yong Ma, Zheng Lu, Qin Chen, Yi Chen, Lianping Hou, Ya Xin Zhang and Ying Ding
Affiliation: Department of Electronics and Electrical Engineering, University of Glasgow, Glasgow, G12 8LT, UK.
Keywords: Electro-optical sampling, heterodyne detection, imaging, photoconductive antenna, Terahertz, Terahertz imaging system, electromagnetic spectrum, Terahertz radiation, fingerprint spectra, Terahertz technologies, CW imaging, Quantum Cascade lasers, metamaterial, photonic crystal, Terahertz photoconductive antenna, Terahertz pulse
Terahertz radiation (0.1-10 THz) sits in the electromagnetic spectrum between microwave and mid infrared region. Imaging technologies utilizing this frequency range have recently attracted interests of many scientists considering their potential applications in various areas, such as non-invasive security screening, chemical identification, pharmaceutical and biological sensing. In this paper, we review recent advances and patents in Terahertz imaging technologies, especially, the progress of Terahertz imaging system integration and applications.
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