Mr. Byeongkwon Choi Profile

Byeongkwon Choi

at Chungnam National Univ

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Author

Publications (9)

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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Proceedings Article | 1 April 2022 Poster + Presentation

Mode locked Yb-doped fiber laser with metasurface saturable absorber

Ji Su Kim, Minsu Park, Byeong Kwon Choi, Jaewon Jang, Jae Hyun Yoo, Yeonsang Park, Min Yong Jeon

Proceedings Volume PC11987, PC119870U (2022) https://doi.org/10.1117/12.2612746

KEYWORDS: Mode locking, Fiber lasers, Semiconductors, Semiconductor materials, Polarization, Optical lithography, Nanostructures, Nanophotonics, Nanolithography, Mirrors

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Proceedings Article | 7 March 2022 Poster

Simultaneous measurement of strain and temperature using fiber Bragg grating with machine learning approach

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

Proceedings Volume PC11953, PC119530S (2022) https://doi.org/10.1117/12.2613338

KEYWORDS: Fiber Bragg gratings, Machine learning, Temperature metrology, Light sources, Temperature sensors

Proceedings Article | 7 March 2022 Poster

Fiber optic temperature sensor using a fiber ferrule-based cholesteric liquid crystal cell

Soyeon Ahn, Gi Hyen Lee, Young Seo Kim, Ji Yeon Yang, Na-Hyun Bak, Byeong Kwon Choi, Srinivas Pagidi, Moon-Deock Kim, Jong-Hyun Kim, Min Yong Jeon

Proceedings Volume PC12023, PC120230F (2022) https://doi.org/10.1117/12.2612562

KEYWORDS: Fiber optics sensors, Temperature sensors, Liquid crystals, Temperature metrology, Optical fibers, Fiber optics, Fabry–Perot interferometers, Magnetism, Chemical fiber sensors

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Proceedings Article | 24 October 2014 Paper

Wavelength-swept lasers and their application to fiber optic sensors

Min Yong Jeon, Myeong Ock Ko, Byeong Kwon Choi, Yong Seok Kwon

Proceedings Volume 9270, 92700R (2014) https://doi.org/10.1117/12.2064173

KEYWORDS: Fiber Bragg gratings, Sensors, Fiber optics sensors, Fabry–Perot interferometers, Modulation, Optical filters, Tunable filters, Fiber lasers, Amplitude modulation, Ferroelectric materials

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Proceedings Article | 7 March 2014 Paper

Continuously tunable dual-wavelength fiber laser using two polymer Bragg grating filters

Byeong Kwon Choi, Yong Seok Kwon, Ik Gon Park, Jun Gyu Seo, Hak Kyu Lee, Min Yong Jeon

Proceedings Volume 8982, 89821E (2014) https://doi.org/10.1117/12.2035887

KEYWORDS: Optical filters, Fiber lasers, Polymers, Fiber Bragg gratings, Tunable filters, Laser resonators, Electronic filtering, Polarization, Polymer multimode waveguides, Waveguides

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Proceedings Article | 17 October 2012 Paper

Performance comparison of fiber Bragg gratings sensor interrogation using two kinds of wavelength-swept lasers

Ik Gon Park, Byeong Kwon Choi, Yong Seok Kwon, Min Yong Jeon

Proceedings Volume 8421, 84214M (2012) https://doi.org/10.1117/12.974906

KEYWORDS: Fiber Bragg gratings, Sensors, Optical filters, Fiber lasers, Tunable filters, Nonlinear response, Tunable lasers, Fabry–Perot interferometers, Modulation, Fiber optics sensors

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Showing 5 of 9 publications

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