IMAGING WITH TERAHERTZ WAVES

被引:1395
作者
HU, BB
NUSS, MC
机构
[1] AT&T Bell Laboratories, Holmdel, NJ, 07733-3030
关键词
D O I
10.1364/OL.20.001716
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present what is to our knowledge the first imaging system based on optoelectronic terahertz time-domain spectroscopy. Terahertz time-domain waveforms are downconverted from the terahertz to the kilohertz frequency range, and the waveform for each pixel is frequency analyzed in real time with a digital signal processor to extract compositional information at that point. We demonstrate applications to package inspection and chemical content mapping in biological objects. (C) 1995 Optical Society of America
引用
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页码:1716 / &
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