Abstract
Recently, several terahertz (THz) wave technologies have been developed not only for spectroscopy of materials but also for application such as imaging for advanced medical science and a security service. However, still now there are some problems in the THz spectroscopic system. For example, the generated THz intensity is not so strong in standard laboratory system. Therefore, a development of lower-priced THz spectroscopic systems with a bright emitter and a sensitive detector is necessary. For this purpose, we utilized one-dimensional photonic crystals (1D-PCs) with a nonlinear optical material as the THz emitter and the detector.
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