Chin. Phys. Lett.  2012, Vol. 29 Issue (10): 104208    DOI: 10.1088/0256-307X/29/10/104208
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
A Compressed Terahertz Imaging Method
ZHANG Man, PAN Rui, XIONG Wei, HE Ting, SHEN Jing-Ling**
Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Key Laboratory of Terahertz Optoelectronics (Ministry of Education), and Department of Physics, Capital Normal University, Beijing 100048
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ZHANG Man, PAN Rui, XIONG Wei et al  2012 Chin. Phys. Lett. 29 104208
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Abstract A compressed terahertz imaging method using a terahertz time domain spectroscopy system (THz-TDSS) is suggested and demonstrated. In the method, a parallel THz wave with the beam diameter 4 cm from a usual THz-TDSS is used and a square shaped 2D echelon is placed in front of an imaged object. We confirm both in simulation and in experiment that only one terahertz time domain spectrum is needed to image the object. The image information is obtained from the compressed THz signal by deconvolution signal processing, and therefore the whole imaging time is greatly reduced in comparison with some other pulsed THz imaging methods. The present method will hopefully be used in real-time imaging.
Received: 21 January 2012      Published: 01 October 2012
PACS:  42.30.-d (Imaging and optical processing)  
  42.30.Wb (Image reconstruction; tomography)  
  33.55.+b (Optical activity and dichroism)  
  42.79.Ls (Scanners, image intensifiers, and image converters)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/10/104208       OR      https://cpl.iphy.ac.cn/Y2012/V29/I10/104208
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ZHANG Man
PAN Rui
XIONG Wei
HE Ting
SHEN Jing-Ling
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