Mr. Sung Yoon Cho Profile

Sung Yoon Cho

at Chungnam National Univ

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Author

Publications (3)

Proceedings Article | 13 March 2024 Presentation

VOC gas sensor based on an optical fiber ferrule coated with a porous cholesteric liquid crystal film

Soyeon Ahn, Na Hyeon Hwang, Byeong Kwon Choi, Ji Su Kim, Sung Yoon Cho, Min Yong Jeon

Proceedings Volume PC12835, PC128350Q (2024) https://doi.org/10.1117/12.3011681

KEYWORDS: Gas sensors, Porosity, Optical fibers, Liquid crystals, Reflection, Acetone, Vacuum chambers, Ultraviolet radiation, Temperature metrology, Pollution

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Proceedings Article | 13 March 2024 Presentation

Ultra-wideband wavelength-swept laser beyond 430 nm using a single polygonal mirror scanning wavelength filter for fiber optic sensors

Min Su Kim, Soyeon Ahn, Byeong Kwon Choi, Ji Su Kim, Sung Yoon Cho, Min Yong Jeon

Proceedings Volume PC12835, PC128350O (2024) https://doi.org/10.1117/12.3011192

KEYWORDS: Tunable filters, Fiber optics sensors, Fiber lasers, Optical filters, Mirrors, Electric fields, Tunable lasers, Liquid crystals, Light sources, Laser frequency

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Proceedings Article | 12 March 2024 Presentation

THz properties of the glass materials and nematic liquid crystals

Min Yong Jeon, Yong Soon Kwon, Young Min Moon, Ji Su Kim, Soyeon Ahn, Byeong Kwon Choi, Sung Yoon Cho, Han-Cheol Ryu

Proceedings Volume PC12885, PC128850J (2024) https://doi.org/10.1117/12.3003783

KEYWORDS: Terahertz radiation, Liquid crystals, Glasses, Materials properties, Refractive index, Birefringence, Absorption, Quartz, Polarizers, Phase shifting

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