16 January 2006 THz imaging applications
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Recent progress in the field of terahertz (THz) imaging is overviewed. First, various THz-wave sources developed and recently improved in our group are described. Second, imaging of samples can be achieved in different modes, of which we discuss here the transmission mode and the reflection-scattering mode. An emphasis in placed on the latter, which can be used to detect and determine for example the distribution of powders inside THz-transparent containers and packages. One-frequency or wide-spectrum imaging can be extended to chemical imaging, a technique by which images acquired at different THz frequencies can be combined to allow the identification of the chemical composition of the target at each spatial position. Other THz imaging applications are also discussed.
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Adrian Dobroiu, Adrian Dobroiu, Kodo Kawase, Kodo Kawase, Yuichi Ogawa, Yuichi Ogawa, Masatsugu Yamashita, Masatsugu Yamashita, Chiko Otani, Chiko Otani, } "THz imaging applications", Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 60380K (16 January 2006); doi: 10.1117/12.651350; https://doi.org/10.1117/12.651350

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