Multilayered film monitoring using terahertz reflective time-domain spectroscopy

Jindoo Choi; Won Sik Kwon; Kyung-Soo Kim; Soohyun Kim

doi:10.1117/12.2185381

1 July 2015 Multilayered film monitoring using terahertz reflective time-domain spectroscopy

Jindoo Choi, Won Sik Kwon, Kyung-Soo Kim, Soohyun Kim

Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 965544 (2015) https://doi.org/10.1117/12.2185381
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of

Abstract

We present qualitative monitoring of multilayered films by noninvasive investigation in the terahertz frequencies. Three multilayered films composed of marine paint are characterized in reflective, non-orthogonal measurements in ambient atmosphere. The spectra of the constituent marine paint layers EH2350, Interthane 989, BEA777, and ENA300 present sufficient spectral information for effective monitoring of the multilayered structures. Our experimental findings show promise in noninvasive monitoring of layered structures in realistic industrial evaluation applications.

Citation Download Citation

Jindoo Choi, Won Sik Kwon, Kyung-Soo Kim, and Soohyun Kim "Multilayered film monitoring using terahertz reflective time-domain spectroscopy", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 965544 (1 July 2015); https://doi.org/10.1117/12.2185381

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