THz spectroscopic imaging of reagents hidden in a 56 dB attenuated cardboard box using is-TPG

Abstract

In 2003, we reported the development of a THz spectroscopic imaging system using a terahertz (THz) wave parametric oscillator (TPO). The system has a dynamic range below four orders of magnitude, which enables it to identify reagents through thin envelopes using THz spectroscopic imaging. Recently, we succeeded in developing a high power and high… (More)

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