Post. Doc at Gwangju Institute of Science and Technology(GIST), South Korea
Dr. Hun Kook Choi is a dynamic researcher specializing in photonics and laser applications. With expertise in femtosecond laser micromachining, he contributes to innovations in optical devices, fiber sensors, and semiconductor technologies. His collaborative work has been published in leading journals, reflecting his commitment to advancing optical engineering. 🌟🔬📡
Publication Profile :
Scopus
Orcid
Educational Background 🎓
Dr. Hun Kook Choi earned his Ph.D. in 2017 from the Department of Photonic Engineering at Chosun University, Gwangju, Republic of Korea. His doctoral research focused on “Characterization and Fabrication of Precise Optical Elements Using Hybrid Laser Processing.”
Professional Experience 💼
Dr. Choi is currently a Postdoctoral Researcher at the Optical Application Systems Research Division, Advanced Photonics Research Institute (APRI), Gwangju Institute of Science and Technology (GIST), Republic of Korea. His work involves cutting-edge applications of femtosecond laser systems in fabricating precision optical devices, diffraction optical devices, fiber optic sensors, and semiconductor applications such as bevel etching, DRAM bonding, and Through Glass Via (TGV) processing. His contributions extend to the design and innovation of novel optical and photonic technologies.
Research Interests 🔬
Dr. Choi’s research focuses on:
- Precision optical devices, including micro-lens arrays (MLA)
- Diffraction optical elements (DOE)
- Fiber optic sensors like Fiber Bragg Gratings (FBG)
- Semiconductor applications leveraging femtosecond lasers
- Advanced laser processing techniques for glass cutting, micro-structuring, and photonic sensor development.
Publications 📚
- Ahsan, M.S., Sohn, I.-B., & Choi, H.-K. (2024). Gorilla Glass Cutting Using Femtosecond Laser Pulse Filaments. Applied Sciences (Switzerland), 14(1), 312.
(Open access)
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Ahsan, S., Arafat, A.I., Akter, T., Sohn, I.-B., & Choi, H.-K. (2024). Light Extraction Efficiency Enhancement of White Organic Light-Emitting Diodes (OLEDs) by Micro/Nano-Patterning the Substrate Layer. Defect and Diffusion Forum, 432, 85–106.
- Sohn, I.-B., Choi, H.-K., Jung, Y.-J., Oh, M.-K., & Ahsan, M.S. (2023). Measurement of Fine/Ultrafine Dust Using Lenticular Fiber-Based Particulate Measurement Devices. IEEE Sensors Journal, 23(8), 8400–8409.
- Lee, C.J., Choi, H.K., Sohn, I.B., & Ha, J.S. (2023). Laser Micro-Structuring of Super-Hydrophobic Surface for Lotus Effect. Journal of the Korean Society for Precision Engineering, 40(4), 291–299.
- Adhikary, A., Ahsan, M.S., Hossain, M.B., Choi, H.-K., & Sohn, I.-B. (2022). Light Intensity and Efficiency Enhancement of n-ZnO/NiO/p-GaN Heterojunction-Based White Light-Emitting Diodes Using Micro-Pillar Array. Journal of Optics (India), 51(3), 526–537.
- Choi, H.-K., Jung, Y.-J., Yu, B.-A., Kim, J.-Y., & Ahsan, M.S. (2022). Femtosecond-Laser-Assisted Fabrication of Radiation-Resistant Fiber Bragg Grating Sensors. Applied Sciences (Switzerland), 12(2), 886.
(Open access)
- Lim, K.-D., Choi, H.-K., Sohn, I.-B., Lee, B.-H., & Kim, J.-T. (2021). Fabrication of Lensed Optical Fibers for Biosensing Probes Using CO2 and Femtosecond Lasers. Applied Sciences (Switzerland), 11(9), 3738.
(Open access)
- Lee, S.-B., Jung, Y.-J., Choi, H.-K., Sohn, I.-B., & Lee, J.-H. (2021). Hybrid LPG-FBG Based High-Resolution Micro Bending Strain Sensor. Sensors (Switzerland), 21(1), 1–22.
- Shikha, Z.A., Nath, S.K.D., Sikder, N., Choi, H.-K., & Ahsan, M.S. (2021). Demonstration of a 4 Gb/s Wavelength Division Multiplexing Based Li-Fi Network. Proceedings of International Conference on Electronics, Communications and Information Technology (ICECIT).
- Shikha, Z.A., Nath, S.K.D., Sikder, N., Choi, H.-K., & Ahsan, M.S. (2021). Development of a Time Division Multiplexing Based Li-Fi System for Voice Communication. Proceedings of International Conference on Electronics, Communications and Information Technology (ICECIT).