본 논문에서는 초소형의 광섬유 결합형 테라헤르츠 모듈을 이용하여 테라헤르츠 시간영역 분광 및 영상 시스템을 구성하였다. 구성된 THz 분광 시스템을 이용하여 3 THz 이상의 자유공간에 분포되어 있는 수분의 고유 흡수 스펙트럼을 관측하였고 테라헤르츠 대역에서의 Si, Al2O3, GaAs기판에 대한 굴절률을 측정하였으며 측정을 위해 다중 반사를 고려한 전달 함수를 이용한 굴절률측정 방법을 이용하였다. 또한, 테라헤르츠 영상 시스템을 이용하여 의료용 칼과 클립을 측정하여 250 μm 간격으로 192 × 89픽셀의 영상을 얻었다.
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