Photonics-based CW terahertz system stabilization technology

Jin Chul Cho; Eui Su Lee; Mugeon Kim; Jun-Hwan Shin; Dong Woo Park; Younghoon Kim; Il-Min Lee; Kyung Hyun Park

doi:10.1117/12.2651409

13 March 2023 Photonics-based CW terahertz system stabilization technology

Jin Chul Cho, Eui Su Lee, Mugeon Kim, Jun-Hwan Shin, Dong Woo Park, Younghoon Kim, Il-Min Lee, Kyung Hyun Park

Proceedings Volume PC12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI; PC124200J (2023) https://doi.org/10.1117/12.2651409
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

The properties of terahertz (THz) radiation make it possible to inspect a variety of non-conductive materials, such as paper, plastic, cloth, etc., without causing damage to the human body. THz wave characteristics have been used in numerous studies on application systems for non-destructive and manufacturing process monitoring as a result. In this presentation, we introduce how to set up a contactless thickness monitoring system with long-term signal stabilization of CW THz signals to achieve signal stabilization within 1% for 12 hours insensitive to changes in ambient temperature.

Conference Presentation

Citation Download Citation

Jin Chul Cho, Eui Su Lee, Mugeon Kim, Jun-Hwan Shin, Dong Woo Park, Younghoon Kim, Il-Min Lee, and Kyung Hyun Park "Photonics-based CW terahertz system stabilization technology", Proc. SPIE PC12420, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI, PC124200J (13 March 2023); https://doi.org/10.1117/12.2651409

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