Terahertz Spectroscopic Imaging and Its Application to Drug Detection(<Special Section>Ultrafast Photonics)

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概要

• 論文の詳細を見る

• We have developed a novel basic technology for terahertz(THz) imaging, which allows detection and identification of chemicals by introducing the component spatial pattern analysis. The spatial distributions of the chemicals were obtained from terahertz multispectral transillumination images, using absorption spectra previously measured with a widely tunable THz-wave parametric oscillator. We have also separated the component spatial patterns of frequency-dependent absorptions in chemicals and frequency-independent components such as plastic, paper and measurement noise in THz spectroscopic images. Further we have applied this technique to the detection and identification of illicit drugs concealed in envelopes.

• 社団法人電子情報通信学会の論文
• 2004-07-01

著者

• Kawase Kodo

  Riken

• Watanabe Yuuki

  Yamagata University

• OGAWA Yuichi

  RIKEN

関連論文

• THz-Wave Parametric Generation and Its Linewidth Control
• Fourier-Transform Spectrometer with a Terahertz-Wave Parametric Generator(Optics and Quantum Electronics)
• Terahertz Spectroscopic Imaging and Its Application to Drug Detection(Ultrafast Photonics)
• Pulsed High Peak Power Millimeter Wave Generation via Difference Frequency Generation Using Periodically Poled Lithium Niobate

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