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Methods and apparatus for rapid scanning continuous wave terahertz spectroscopy and imaging
Methods and apparatus for rapid scanning continuous wave terahertz spectroscopy and imaging
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机译:快速扫描连续波太赫兹光谱和成像的方法和设备
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摘要
Methods and apparatus are provided employing rapid scanning continuous wave terahertz spectroscopy and imaging for the non-destructive evaluation of materials such as animal hides and natural cork, and explosive detection, concealed weapon detection, and drug detection. A system employing an aperiodic detector array and implementing phase modulation at 100 kHz significantly reduces the imaging time and enables interferometric images of a THz point source to be obtained at several frequencies between 0.3 and 0.95 THz.
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