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Geunman Ryu
at Chungnam National Univ
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Publications (3)
Proceedings Article | 2 August 2014 Paper
A study on ultra-precision machining technique for Al6061-T6 to fabricate space infrared optics
Geun-man Ryu, Gil-jae Lee, Sang-won Hyun, Ha-yeong Sung, Euisik Chung, Geon-hee Kim
Proceedings Volume 9143, 91434Z (2014) https://doi.org/10.1117/12.2055361
KEYWORDS: Surface roughness, Infrared radiation, Astronomical imaging, Cryogenics, Mirrors, Optics manufacturing, Error analysis, Fabrication, Nanolithography, Space mirrors
Proceedings Article | 15 October 2013 Paper
Fabrication of solid immersion lens applied to infrared microscopy to improve the spatial resolution over its diffraction limit
Hayeong Sung, Myung Sang Huh, Gil Jae Lee, Kyesung Lee, Youngsik Kim, Geunman Ryu, Sun Choel Yang, Ki-Ju Yee, Chan pil Park, Geonhee Kim
Proceedings Volume 8884, 88842B (2013) https://doi.org/10.1117/12.2029162
KEYWORDS: Objectives, Spatial resolution, Infrared imaging, Thermography, Tolerancing, Germanium, Refractive index, Imaging systems, Infrared cameras, Solids
Proceedings Article | 7 September 2013 Paper
A study on the characteristics for ultra-precision machining technique using single diamond turning machine
Proceedings Volume 8838, 883815 (2013) https://doi.org/10.1117/12.2025553
KEYWORDS: Surface roughness, Reflectors, Diamond turning, Diamond machining, Mirrors, Spherical lenses, Aluminum, Optics manufacturing, Manufacturing, Diamond
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