Research Topics
- Optical Metrology
Development of phase-iterative algorithm
Measurement technique combining deep learning and interferometry
Testing of geometric properties of optical devices
- Machine tool
Modeling and simulation of air-bearing spindle
Stiffness tuning using structural / thermal analysis of machine tool
Applications of composite materials to machine tool components
Projects (representative)
- Project for Innovation of Industrial Technology: supported by Korea Planning & Evaluation Institute of Industrial Technology (KEIT)
Compensation of volumetric error of 5-axis machine tool using sensitivity analysis [07/2023 – 12/2026] - Industry-University Collaboration Research: supported by SAMSUNG Electronics
Development of optical testing system of silicon wafer TTV based on deep learning [05/2022–4/2025] - PNU Global Star-5: supported by Pusan National University
Development of high-speed precision welding system for glass by combining ultrashort pulse laser processing and absolute length measurement of wavelength scanning based on machine learning [03/2022–02/2023] - Collaborative Research: supported by Korea Institute of Material Science (KIMS)
Analysis and estimation of material properties of ultra-precision high-speed rotor applied with lightweight steel composite [01/2022–12/2024] - Korea-Japan (NRF-JSPS) Joint Research Cooperation Program: supported by National Research Foundation of Korea
Development of precision welding system for glass by combining ultrashort pulse laser processing and absolute length measurement of wavelength scanning (collaborative research with The University of Tokyo) [04/2021–03/2023]
- Mid-Career Researcher Program: supported by National Research Foundation of Korea
Development of testing system of absolute curvature of large-aperture ultra-precision lens using deep learning and wavelength tuning composite interferometer [03/2021–02/2024]
- General Research Program: supported by National Research Foundation of Korea
Development of simultaneous testing system of optical thickness and surface shape of a larger-aperture blank mask using algorithm eliminating uniform phase error and Fizeau interferometer [06/2020–05/2021]
- Research Program (GCRC–SOP): supported by National Research Foundation of Korea
Development of selective laser scanning technology for precision measurement of ship block [03/2020–02/2021] - Collaborative Research: supported by Korea Institute of Material Science (KIMS)
Estimation technology development of performance and wear-resistance of machine components based on steel composites [04/2019–12/2021]
- Young Researcher Program: supported by National Research Foundation of Korea
Development of simultaneous measurement method of absolute geometric thickness and refractive index of transparent plate using wavelength tuning [03/2017–02/2020]
- Grant-in-Aid for Young Scientists (B): supported by Japan Society for the Promotion of Science
Measurement of absolute curvature radius of lens using new type of complex interferometer and wavelength tuning [04/2016–03/2018]
- Grant-in-Aid for Research Activity Start-up: supported by Japan Society for the Promotion of Science
Simultaneous measurement of geometric thickness and refractive index of mask blank glass using wavelength tuning interferometry [08/2015–03/2017]
- Grant-in-Aid for JSPS Fellows: supported by Japan Society for the Promotion of Science
Precise measurement of thickness/surface profile/refractive index of optical devices using wavelength tuning interferometry [04/2013–03/2015]