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Papers

[SCI(E) paper]

2024

  • M. T. Nguyen, Y. -S. Ghim and H. -G. Rhee, "DYnet++: A Deep Learning Based Single-Shot Phase-Measuring Deflectometry for the 3-D Measurement of Complex Free-Form Surfaces," in IEEE Transactions on Industrial Electronics, vol. 71, no. 2, pp. 2112-2121, Feb. 2024, doi: 10.1109/TIE.2023.3253940. keywords: {Phase measurement;Surface reconstruction;Shape measurement;Deep learning;Shape;Inspection;Automobiles;Deep learning (DL);dynamic deflectometry;real-time 3-D measurement;specular complex surfaces;structured light metrology},

  • High precision micro-ellipsometry based on a pixelated polarizing camera

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2023

  • Nguyen Nu Hoang Ahn, Hyug-Gyo Rhee, Young-Sik Ghim. "Novel fabrication and designs for hybrid optical elements with wider angle field of view by using integrated direct laser lithographic system." Optics and Lasers in Engineering 170 (2023): 107774.

  • Do-Won Kim, Sang Yeong Park, Hyug-Gyo Rhee, Pil seong Kang. "Mechanical Design for an Optical-telescope Assembly of a Satellite-laser-ranging System." Current Optics and Photonics 7.4 (2023): 419-427.

  • Jae hyun Lee, Hyung-Gyo Rhee, Eui Seung Son, Jeon Geon Kang, ji young Jeong, Pil seong Kang. "Optimal Design of a Coudé Mirror Assembly for a 1-m Class Ground Telescope." Current Optics and Photonics 7.4 (2023): 435-442.

2022

  • Hyug-Gyo Rhee,Young-Sik Ghim. "Improved Iterative Method for Wavefront Reconstruction from Derivatives in Grid Geometry." Current Optics and Photonics 6.1 (2022): 1-9.

  • Ji Yong Bae, Hwan Hur, I Jong Kim, Kye-Sung Lee, Hagyong Kihm, Hyug-Gyo Rhee, Ho-Soon Yang, Hong-Seung Kim, Sangwon Hyun. "Experimental and numerical investigations on cooling performance of chemical-vapor-deposited SiC deformable mirror for adaptive optics system in high-power laser radiation environments." Applied Thermal Engineering 203 (2022): 117950.

  • Nguyen Nu Hoang Anh, Hyug-Gyo Rhee, Young-Sik Ghim, Pil seong Kang. "Design and Fabrication of an Off-axis Elliptical Zone Plate in Visible Light." Current Optics and Photonics 6.1 (2022): 44-50.
     

  • Nguyen, Manh The, Jaehyun Lee, Young-Sik Ghim, Hyug-Gyo Rhee . "Real-time 3D measurement of freeform surfaces by dynamic deflectometry based on diagonal spatial carrier-frequency pattern projection." Measurement 200 (2022): 111684.

  • Hyo Bin Jeong, Young-Sik Ghim. "Flexible lateral shearing interferometry based on polarization gratings for surface figure metrology." Optics and Lasers in Engineering 154 (2022): 107020.
     

  • Ji Yong Joo, Seok Gi Han, Jun Ho Lee, Hyug-Gyo Rhee, Joon Huh, Ki hun Lee, Sang Yeong Park "Development and Characterization of an Atmospheric Turbulence Simulator Using Two Rotating Phase Plates." Current Optics and Photonics 6.5 (2022): 445-452.
     

2021

  • ​Young-Sik Ghim, Yong Bum Seo, Ki-Nam Joo, and Hyug-Gyo Rhee, "Single-shot spectrally resolved interferometry for the simultaneous measurement of the thickness and surface profile of multilayer films," Opt. Express 29, 25524-25534 (2021)

  • Manh The Nguyen, Young-Sik Ghim, Hyug-Gyo Rhee, "One-shot deflectometry for high-speed inline inspection of specular quasi-plane surfaces" Optics and Lasers in Engineering, Vol.147 (2021)

  • Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, "Real-time method for fabricating 3D diffractive optical elements on curved surfaces using direct laser lithography" The International Journal of Advanced Manufacturing Technology, Vol.114, Issue 1, pp. 1497-1504 (2021). 

  • Nguyen Nu Hoang Anh, Hyug-Gyo Rhee, Young-Sik Ghim, "Design and Lithographic Fabrication of Elliptical Zone Plate Array with High Fill Factor", Current Optics and Photonics, Vol.5, Issue 1, pp. 8-15 (2021).

  • Yong-Bum Seo, Ki-Nam Joo, Young-Sik Ghim, Hyug-Gyo Rhee, "Subaperture stitching wavelength scanning interferometry for 3D surface measurement of complex-shaped optics", Measurement Science and Technology, Vol.32, Issue 4 (2021).

  • Ji Yong Joo, Seok Gi Han, Jun Ho Lee, Hyug-Gyo Rhee, Joon Huh, Ki hun Lee, Sang Yeong Park "Development and Characterization of an Atmospheric Turbulence Simulator Using Two Rotating Phase Plates." Current Optics and Photonics 6.5 (2022): 445-452.
     

2020

  • Yong-Bum Seo, Hyo-Bin Jeong, Hyug-Gyo Rhee, Young-Sik Ghim,"Single-shot freeform surface profiler", Optics Express, Vol.28, Issue 3, pp. 3401-3409 (2020).

  • Nguyen Nu Hoang Anh, Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, "Novel fabrication process for and array of elliptical zone plates by using direct laser lithography", The International Journal of Advanced Manufacturing Technology, Vol.106, Issue 5-6, pp. 2629-2634 (2020).

  •  Hyo Mi Park, Ui Hyeok Kwon, Young-Sik Ghim, and Ki-Nam Joo, "Spectrally resolved polarizing interferometer for single-shot line profiling", Applied Optics, Vol. 59, No. 32, pp.10107-10112 (2020)

  • Oh gan Kim, Bong Ju Lee, Hyug-Gyo Rhee, Yun-Woo Lee, Ho-Soon Yang. "Dual-path unwrapping algorithm based on geodesic curvature for interferometric fringe analysis", Journal of the Korean Physical Society, Vol. 76, No. 3, pp. 202-209 (2020)

2019

  • Young-Sik Ghim, Hyug-Gyo Rhee, "Instantaneous thickness measurement of multilayer films by single-shot angle-resolved spectral reflectometry", Optics Letters, Vol. 44, Issue 22, pp. 5418-5421 (2019).

  • Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, Youn-Woo Lee, "Method of fabricating an array of diffractive optical elements by using a direct laser lithography", The International Journal of Advanced Manufacturing Technology, Vol. 101, Issue 7, pp. 1681-1685 (2019).

  • Manh The Nguyen, Young-Sik Ghim, Hyug-Gyo Rhee. "Single-shot deflectometry for dynamic 3D surface profile measurement by modified spatial-carrier frequency phase-shifting method", Scientific Reports, Vol. 41, Issue 8, pp. 1841-1844 (2019).

  • Young-Sik Ghim, Hyug-Gyo Rhee. "Spectrally-resolved white-light phase-shifted interferometry for 3D measurements of multilayer films. In: Optical Measurement Systems for Industrial Inspection XI." International Society for Optics and Photonics, 2019. p. 1105631.

  • Hee Kyeong Ahn, Hyeok Mo Kang, Young-Sik Ghim, Ho Soon Yang  Touch probe tip compensation using a novel transformation algorithm for coordinate measurements of curved surfaces. International Journal of Precision Engineering and Manufacturing, 20(2), 193-199 (2019).

  • Hyub Lee, Mun Ji Low, Chin Huat Joel Lim, Jianing An, C. S. Suchand Sandeep, Thazhe Madam Rohith, Hyug-Gyo Rhee, Vadakke Matham Murukeshan, and Young-Jin Kim, "Transferable ultra-thin multi-level micro-optics patterned by tunable photoreduction and photoablation for hybrid optics", Carbon 149, pp. 572-581(2019)

2018

  • Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, Youn-Woo Lee, "Optical performance degradation effects by fabrication errors of circular-type computer generated holograms", Journal of the Korean Physical Society.

  • Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, Youn-Woo Lee, "Method of fabricating an array of diffractive optical elements by using a direct laser lithography", The International Journal of Advanced Manufacturing Technology.

  • Manh The Nguyen, Pil-Seong Kang, Young-Sik Ghim, Hyug-Gyo Rhee, “Nonlinearity response correction in phase-shifting deflectometry," Measurement Science and Technology, 29(4), 045012(2018).

  • Kyo Hoon Ahn, Hyug-Gyo Rhee, Ho-Soon Yang, Ha gyong Kihm. "CVD SiC deformable mirror with monolithic cooling channels", Optics Express Vol. 26, No. 8, pp. 9724-9739 (2018)

2017

  • Young-Sik Ghim, Hyug-Gyo Rhee, Angela Davies. “Simultaneous measurements of top surface and its underlying film surfaces in multilayer film structure,” Scientific Reports, 7, 11843 (2017).

  • Phan Huy Phuc, Hyug-Gyo Rhee, and Young-Sik Ghim, “Denoising Phase Unwrapping Algorithm for Precise Phase Shifting Interferometry,” Journal of the Korean Physical Society, 71(2), 82(2017)

  • Young-Gwang Kim, Hyug-Gyo Rhee, Young-Sik Ghim, Ho-Soon Yang, and Yun-Woo Lee, “Dual-line fabrication method in direct laser lithography to reduce the manufacturing time of diffractive optics elements,” Optics Express, 25(3), 1636 (2017).

  • Phan Huy Phuc, Nguyen The Manh, Hyug-Gyo Rhee, Young-Sik Ghim, Ho Soon Yang, and Yun-Woo Lee, “Improved Wavefront Reconstruction Algorithm from Slope Measurements,” Journal of the Korean Physical Society, 70(5), 469 (2017)

  • Woo, J. Y., Kim, Y., Bae, J., Kim, T. G., Kim, J. W., Lee, D. C., & Jeong, S. (2017). Highly stable cesium lead halide perovskite nanocrystals through in situ lead halide inorganic passivation. Chemistry of Materials, 29(17), 7088-7092.

2016

  • Jong-Hoon Kwon, Hyug-Gyo Rhee, Young-Sik Ghim, and Yun-Woo Lee, “Performance Evaluation of MTF Peak Detection Methods by a Statistical Analysis for Phone Camera Modules,” Journal of the Optical Society of Korea, 20(1), 150 (2016).

Before 2015

  • Jong-Hoon Kwon, Hyug-Gyo Rhee, Young-Sik Ghim, Yun-Woo Lee. “Field-Curvature correction according to the curvature of a CMOS imaging sensor using air-gap optimization,” Journal of the Optical Society of Korea, 19(6), 658 (2015).

  • Ho-Seok Nam, Gi-Chul Kim, Hak-Sung Kim, Hyug-Gyo Rhee, Young-Sik Ghim. “Modeling of edge tool influence functions for computer controlled optical surfacing process,” The International Journal of Advanced Manufacturing and Technology, 1 (2015).

  • Hyug-Gyo Rhee, Hagyong Kihm, Ho-Soon Yang, Young-Sik Ghim, Joohyung Lee, and Yun-Woo Lee, “Pixel-based absolute test of a 1-m lightweight mirror for a space telescope,” Journal of the Korean Physical Society, 65(9), 1385(2014)

  • Young-Sik Ghim, Hyug-Gyo Rhee, Angela Davies, Ho-Soon Yang, and Yun Woo Lee, “3D surface mapping of freeform optics using wavelength scanning lateral shearing interferometry,” Optics Express, 22(5), 5098(2014)

  • Hyug-Gyo Rhee, Young-Sik Ghim, Joohyung Lee, Ho-Soon Yang, and Yun Woo Lee, “Correction of rotational inaccuracy in lateral shearing interferometry for freeform measurement,” Optics Express, 21(21), 24799(2013)

  • Young-Sik Ghim, Hyug-Gyo Rhee, Ho-Soon Yang, and Yun-Woo Lee, “Thin film thickness profile measurement using a Mirau-type low-coherence interferometer,” Measurement Science and Technology, 24(7), 075002(2013)

  • Yue Zhou, Young-Sik Ghim, Ali Fard, and Angela Davies, “Application of the random ball test for calibrating slope dependent errors in profilometry measurements,” Applied Optics, 52(24), 5925(2013)

  • Hyug-Gyo Rhee, Young-Sik Ghim, and Yun-Woo Lee, “Stabilized two dimensional linewidth enhancement in direct laser lithography,” Precision Engineering, 37(4), 812(2013)

  • Young-Sik Ghim and Angela Davies, “Complete fringe order determination in scanning white-light interferometry using a Fourier-based technique ,” Applied Optics, 51(12), 1922(2012)

  • Young-Sik Ghim, Amit Suratkar, and Angela Davies, “Reflectometry-based wavelength scanning interferometry for thickness measurements of very thin wafers ,” Optics Express, 18(7), 6522(2010)

  • Young-Sik Ghim and Seung-Woo Kim, “Spectrally resolved white-light interferometry for 3D inspection of a thin-film layer structure,” Applied Optics, 48(4), 799(2009)

  • Virginia Gomez, Young-Sik Ghim, Heidi Ottevaere, Neil Gardner, Brent Bergner, Kate Medicus, Angela Davies, and Hugo Thienpont, “Micro-Optic Reflection and Transmission Interferometer for Complete Microlens Characterization,” Measurement Science and Technology, 20(2), 02

  • Young-Sik Ghim and Seung-Woo Kim, “Fast, precise, tomographic measurements of thin films,” Applied Physics Letters, 91(9), 091903(2007)

  • Young-Sik Ghim and Seung-Woo Kim, “Thin-film thickness profile and its refractive index measurements by dispersive white-light interferometry,” Optics Express, 14(24), 11885-11891(2006)

[Domestic paper]

  • 김영식, 안희경, 이혁교, "고정밀 광학부품의 비접촉식 3D 형상 측정기술," 한국정밀공학회 2020년도 통합학술대회 논문집, 2020

  • 김영광, 이혁교, 김영식, 이윤우, "레이저 직접 노광시스템에서 레이저의 절삭 현상을 이용한 이중선 제작 방법" Journal of the Korean Society for Precision Engineering, Vol 36, Issue 11, pp. 1003-1007, 2019

  • 김영광, 이혁교, 김영식, 이윤우, "다중 패턴의 회절광학소자 제작을 위한 레이저 직접 노광시스템의 공정 연구," 반도체 디스플레이 기술학회지, Vol 18, Issue 2, pp. 58-62, 2019

  • Manh The Nguyen, Young-Sik Ghim, Hyug-Gyo Rhee. "Accuracy improvement of deflectometry using geometrical calibration" 한국생산제조학회 학술발표대회 논문집, 153-153, 2019

  • 김영식, 마익, 이혁교, " 편향측정법을 이용한 자유곡면의 실시간 3D 형상측정기술" ,한국광학회, 2019

  • 양동근, 강필성, 김영식. "카메라 교정 및 측정부 회전을 이용한 가상현실 기기의 전역 왜곡 측정법." 한국광학회지, 2019, 30.6: 237-2429

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