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산업용 테라헤르츠 비파괴 검사 기술
Terahertz Non-destructive Testing Technology for Industrial Applications

이의수   (테라헤르츠창의원천연구실  ); 문기원   (테라헤르츠창의원천연구실  ); 이일민   (테라헤르츠창의원천연구실  ); 박동우   (테라헤르츠창의원천연구실  ); 최다혜   (테라헤르츠창의원천연구실  ); 신준환   (테라헤르츠창의원천연구실  ); 김현수   (테라헤르츠창의원천연구실  ); 박정우   (테라헤르츠창의원천연구실  ); 박경현   (테라헤르츠창의원천연구실  );
  • 초록

    Terahertz (THz) imaging and spectroscopy have been developed as non-destructive testing methods for various industrial applications. However, they have not been widely adopted in real applications owing to a high system price and the large size of conventional THz time-domain spectroscopy systems, which are based on ultrashort optical pulse lasers. Recently, various types of compact THz emitters and detectors have become available. As a result, THz non-destructive test (NDT) systems have become viable solutions. Herein, we briefly review the recent advances in THz NDT techniques adopting continuous-wave THz systems, including our recent results of a THz-based waterproof test system and an electrical connection inspection system for car manufacturing.


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