Mr. Dohoon Kim Profile

Dohoon Kim

at Green Optics Co Ltd

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 30 September 2024 Presentation + Paper

Integration of off-axis freeform mirrors KASI deep rolling imaging fast telescope generation 1

Yunjong Kim, Dohoon Kim, Seunghyuk Chang, Jihun Kim, Il Kweon Moon, Hyukson Kwon, Woowon Byun, Yongseok Lee, Changhee Lee, Kyohoon Ahn, Yeonsik Kim, Gayoung Lee, Daewook Kim, Jongwan Ko

Proceedings Volume 13134, 131340C (2024) https://doi.org/10.1117/12.3028442

KEYWORDS: Mirrors, Telescopes, Tolerancing, Off axis mirrors, Optical design, Assembly tolerances, Wavefront errors, Mirror surfaces, Freeform optics, Confocal microscopy

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Proceedings Article | 26 August 2024 Poster

Integration of freeform three-mirror KASI deep-rolling-imaging fast telescope

Yunjong Kim, Dohoon Kim, Changhee Lee, Seunghyuk Chang, Jihun Kim, Il Kweon Moon, Hyukson Kwon, Woowon Byun, Yongseok Lee, Yeonsik Kim, Daewook Kim, Jongwan Ko

Proceedings Volume 13100, 131004D (2024) https://doi.org/10.1117/12.3019659

Proceedings Article | 5 October 2023 Presentation

Fabrication of freeform mirrors for the KASI-Deep Rolling Imaging Fast Telescope

Dohoon Kim, Changhee Lee, JaeYeong Jo, Hong Ki Kim, Taejong Kim, Minho Seo, Byoung-hyun Park, Hyun-il Cho, Yunjong Kim, Jongwan Ko, Young-Soo Kim

Proceedings Volume PC12677, PC126770C (2023) https://doi.org/10.1117/12.2677323

KEYWORDS: Mirrors, Mirror surfaces, Telescopes, Fabrication, Surface finishing, Polishing, Optical surfaces, Off axis mirrors, Computer generated holography, Silver

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Proceedings Article | 4 October 2023 Poster + Paper

Low-to-mid spatial frequency wavefront error control for off-axis freeform three-mirror KASI-deep rolling imaging fast telescope

Gayoung Lee, Yunjong Kim, Daewook Kim, Woowon Byun, Changsu Choi, Yongseok Lee, Dohoon Kim, Seunghyuk Chang, Jongwan Ko

Proceedings Volume 12677, 126770P (2023) https://doi.org/10.1117/12.2676309

KEYWORDS: Point spread functions, Wavefront errors, Mirrors, Error analysis, Error control coding, Telescopes, Spatial frequencies, Fabrication, Device simulation, Optical mounts

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Proceedings Article | 4 October 2023 Poster + Paper

Tolerance analysis of off-axis freeform three-mirror KASI-deep rolling imaging fast telescope

Yunjong Kim, Gayoung Lee, Jihun Kim, Seunghyuk Chang, Dohoon Kim, Il Kweon Moon, Daewook Kim, Jongwan Ko

Proceedings Volume 12677, 126770O (2023) https://doi.org/10.1117/12.2674544

KEYWORDS: Tolerancing, Mirrors, Telescopes, Monte Carlo methods, Optical design, Monochromatic aberrations, Mirror surfaces, Astronomical imaging, Wavefront errors

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Proceedings Article | 29 August 2022 Poster

Design and analysis of the SiC solar telescope for extreme environments

Jihun Kim, Seonghwan Choi, Jeong-Yeol Han, Yunjong Kim, Ji-Hye Baek, Jongyeob Park, Heesu Yang, Sujin Kim, Young-Soo Kim, Jaegun Yoo, Youra Jun, Bi-Ho Jang, Il Kweon Moon, Dohoon Kim, Minkyum Kim, Gwanghui Jeong, Myung Cho

Proceedings Volume 12182, 1218233 (2022) https://doi.org/10.1117/12.2628857

KEYWORDS: Solar telescopes, Optical instrument design, Silicon carbide, Telescopes, Mirrors, Bridges, Off axis mirrors, Light scattering, Tolerancing, Temperature metrology

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Proceedings Article | 26 August 2022 Poster + Paper

Integration and alignment of KASI-deep rolling imaging fast-optics telescope (K-DRIFT) pathfinder for the detection of low surface brightness features: 300 mm off-axis freeform three-mirror system

Yunjong Kim, Dohoon Kim, Seunghyuk Chang, Woowon Byun, Yongseok Lee, Changsu Choi, Chung-Uk Lee, Eon-Chang Sung, Jaewon Yoo, Jae-Woo Kim, Kwang-Il Seon, Sang-Hyun Chun, Young-Beom Jeon, Gayoung Lee, Hyungkwon Lee, Jongwan Ko

Proceedings Volume 12182, 121822F (2022) https://doi.org/10.1117/12.2628847

KEYWORDS: Mirrors, Monochromatic aberrations, Wavefronts, Telescopes, Imaging systems, Optical design, Off axis mirrors, Tolerancing, Confocal microscopy, Zerodur

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Proceedings Article | 13 December 2020 Paper

Vibration reduction for stirling cryocooler system

Chang-Hee Kim, Sanghyuk Kim, Ueejeong Jeong, Dohoon Kim

Proceedings Volume 11451, 114513Q (2020) https://doi.org/10.1117/12.2566758

KEYWORDS: Cryocoolers, Spectrographs, Infrared spectroscopy, Infrared radiation, Spectral resolution, Gemini Observatory, Telescopes, Astronomy, Signal to noise ratio, Magnesium

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Proceedings Article | 10 September 2019 Presentation

Initial polishing machine control model to determine target TIF depth on SiC mirror surfaces (Conference Presentation)

Jeong-Yeol Han, Suyeon Cha, Dohoon Kim, Myung Cho

Proceedings Volume 11101, 111010A (2019) https://doi.org/10.1117/12.2529836

KEYWORDS: Silicon carbide, Mirrors, Surface finishing, Polishing, Polishing equipment, Process control, Reliability, Head

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Showing 5 of 9 publications

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