Widely Frequency-Tunable Terahertz Wave Generation and Spectroscopic Application |
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Authors: | Ken Suto and Jun-ichi Nishizawa |
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Institution: | (1) Semiconductor Research Institute, Sendai 980-0862, Japan;(2) Photodynamics Research Center, RIKEN, Sendai 980-0845, Japan |
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Abstract: | The THz-wave generator based on the resonance of phonon-polaritons in GaP enabled THz spectral measurements of organic molecules like DNA/RNA-related molecules in wide frequency range (0.6–5.8 THz). High spectral purity of the generated THz-wave enables even the detection of defect structures of organic compounds, and will give a new tool for molecular sciences. We demonstrated THz imaging of a liver cancer. The THz-wave generator can be made small-size, light-weight system. |
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Keywords: | tunable terahertz waves generation GaP terahertz spectroscopy terahertz imaging biomolecules |
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