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Sensors 2016, 16(4), 579; doi:10.3390/s16040579

A Practical and Portable Solids-State Electronic Terahertz Imaging System

1
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Lindfield, NSW 2070, Australia
2
Chengdu Shuguang Optical Fiber Network Co., Ltd, 56, Tianhui Mid-street, Hi-Tech Zone, Chengdu 610041, Sichuan, China
*
Author to whom correspondence should be addressed.
Academic Editors: Vincenzo Spagnolo and Wilmar Hernandez
Received: 21 December 2015 / Revised: 15 April 2016 / Accepted: 19 April 2016 / Published: 22 April 2016
(This article belongs to the Special Issue Infrared and THz Sensing and Imaging)
View Full-Text   |   Download PDF [3951 KB, uploaded 22 April 2016]   |  

Abstract

A practical compact solid-state terahertz imaging system is presented. Various beam guiding architectures were explored and hardware performance assessed to improve its compactness, robustness, multi-functionality and simplicity of operation. The system performance in terms of image resolution, signal-to-noise ratio, the electronic signal modulation versus optical chopper, is evaluated and discussed. The system can be conveniently switched between transmission and reflection mode according to the application. A range of imaging application scenarios was explored and images of high visual quality were obtained in both transmission and reflection mode. View Full-Text
Keywords: terahertz; imaging; solid-state electronic components terahertz; imaging; solid-state electronic components
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Smart, K.; Du, J.; Li, L.; Wang, D.; Leslie, K.; Ji, F.; Li, X.D.; Zeng, D.Z. A Practical and Portable Solids-State Electronic Terahertz Imaging System. Sensors 2016, 16, 579.

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