テラヘルツ時間領域分光イメージングにおける周波数フィルタの適用による面内空間分解能向上
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概要
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The in-plane spatial resolution of time domain terahertz imaging using broadband pulsed terahertz waves (0.1-1.6THz) was evaluated using the edge of a metal plate. The spatial resolution of 0.8mm could be improved to 0.4mm by limiting the frequency region of the broadband terahertz wave to 1.0-1.5THz. Experiments using a resolution target showed that the method is effective for improving the spatial resolution and the constrast ratio.
著者
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福地 哲生
Central Research Institute of Electric Power Industry
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布施 則一
Central Research Institute of Electric Power Industry
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水野 麻弥
National Institute of Information and Communications Technology
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福永 香
National Institute of Information and Communications Technology