Ms. Youra Jun Profile

Youra Jun

Researcher at LeO SPACE Inc.

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 4 October 2023 Presentation + Paper

Thermo-elastic analysis of various lateral flexure bonding applications

Youra Jun, Il Kweon Moon, Myung Cho, Jeong-Yeol Han

Proceedings Volume 12677, 126770M (2023) https://doi.org/10.1117/12.2677887

KEYWORDS: Mirrors, Bending stress, Gemini Observatory, Deformable mirrors, Thermal deformation, Titanium, Telescopes, Materials properties, Thermoelasticity, Analytical research

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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 | 10 July 2018 Presentation + Paper

Control modeling of the fast-steering secondary mirror for GMT

Christoph Dribusch, Myung Cho, Youra Jun, Jieun Ryu, Gary Poczulp, Ming Liang, Sungho Lee, Jeong-Yeol Han, Ueejeong Jeong, Sanghyuk Kim, Bong-Kon Moon, Chang-Hee Kim, Yunjong Kim, Chan Park, Byeong-Gon Park, Il-Kwon Moon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, Paul Gardner, Robert Bernier, Frank Groark, Hugo Chiquito

Proceedings Volume 10705, 107050Z (2018) https://doi.org/10.1117/12.2313351

KEYWORDS: Mirrors, Actuators, Telescopes, Secondary tip-tilt mirrors, Motion models, Astronomy, Simulink, Control systems, Piezoelectric drives, Piezoelectric driven mechanisms

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Proceedings Article | 10 July 2018 Presentation + Paper

Design of the fast steering secondary mirror assembly for the Giant Magellan Telescope

Myung Cho, Youra Jun, Christoph Dribusch, Jieun Ryu, Gary Poczulp, Ming Liang, Sungho Lee, Jeong-Yeol Han, Ueejeong Jeong, Sanghyuk Kim, Bongkon Moon, Chang-Hee Kim, Yunjong Kim, Chan Park, Byeong-Gon Park, Il-Kwon Moon, Chan-Hee Lee, Wongi Lee, Ho-Sang Kim, Paul Gardner, Robert Bernier, Frank Groark, Hugo Chiquito

Proceedings Volume 10706, 1070607 (2018) https://doi.org/10.1117/12.2313375

KEYWORDS: Mirrors, Telescopes, Actuators, Space telescopes, Off axis mirrors, Integrated modeling, Interfaces, Optical instrument design, Phase transfer function, Control systems

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Proceedings Article | 10 July 2018 Paper

Experimental study of breakaway system for the fast-steering secondary mirror prototype of GMT

Yunjong Kim, Wongi Lee, Chanhee Lee, Myung K. Cho, Christoph Dribusch, Sungho Lee, Sanghyuk Kim, Chang-Hee Kim, Ueejeong Jeong, Jeong-Yeol Han, Bong-Kon Moon, Chan Park, Byeong-Gon Park, Youra Jun, Jieun Ryu, Gary Poczulp, Ming Liang, Il-Kwon Moon, Ho-Sang Kim, Paul Gardner, Robert Bernier, Frank Groark, Hugo Chiquito

Proceedings Volume 10706, 107064A (2018) https://doi.org/10.1117/12.2311779

KEYWORDS: Mirrors, Prototyping, Telescopes, Actuators, Earthquakes, Space telescopes, 3D modeling, Astronomy, Large telescopes, Seismic sensors

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Proceedings Article | 6 July 2018 Paper

Preliminary AIT plan for the FSM segments of GMT

Jeong-Yeol Han, Sungho Lee, Sanghyuk Kim, Yunjong Kim, Ueejeong Jeong, Myung Cho, Christoph Dribusch, Bong-Kon Moon, Chang-Hee Kim, Chan Park, Byeong-Gon Park, Youra Jun, Jieun Ryu, Gary Poczulp, Ming Liang, Il-Kwon Moon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, Paul Gardner, Robert Bernier, Frank Groark, Hugo Chiquito

Proceedings Volume 10700, 107002D (2018) https://doi.org/10.1117/12.2314292

KEYWORDS: Mirrors, Assembly tolerances, Safety, Integrated optics, Optical testing, Tolerancing

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Proceedings Article | 6 July 2018 Paper

Development status of the fast-steering secondary mirror of GMT

Sungho Lee, Jeong-Yeol Han, Ueejeong Jeong, Sanghyuk Kim, Bong-Kon Moon, Chang-Hee Kim, Yunjong Kim, Chan Park, Byeong-Gon Park, Myung Cho, Christoph Dribusch, Youra Jun, Jieun Ryu, Gary Poczulp, Ming Liang, Il Kweon Moon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, Paul Gardner, Robert Bernier, Frank Groark, Hugo Chiquito

Proceedings Volume 10700, 1070044 (2018) https://doi.org/10.1117/12.2313174

KEYWORDS: Mirrors, Telescopes, Control systems design, Actuators, Control systems, Off axis mirrors

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Proceedings Article | 22 July 2016 Paper

Development of the fast steering secondary mirror assembly of GMT

Sungho Lee, Myung Cho, Chan Park, Jeong-Yeol Han, Ueejeong Jeong, Yang-noh Yoon, Je Heon Song, Byeong-Gon Park, Christoph Dribusch, Won Hyun Park, Youra Jun, Ho-Soon Yang, Il-Kwon Moon, Chang Jin Oh, Ho-Sang Kim, Kyoung-Don Lee, Robert Bernier, Chris Alongi, Andrew Rakich, Paul Gardner, Lee Dettmann, Wylie Rosenthal

Proceedings Volume 9912, 991241 (2016) https://doi.org/10.1117/12.2233710

KEYWORDS: Mirrors, Telescopes, Optical fabrication, Telescopes, Control systems, Prototyping, Control systems design, Space telescopes, Surface finishing, Manufacturing, Profilometers

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Showing 5 of 8 publications

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