Dr. DuHwan Cha Profile

Dr. DuHwan Cha

Technical Director at ViewNyx Co Ltd

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Author

Publications (5)

Proceedings Article | 31 October 2014 Paper

Chalcogenide glass with good thermal stability for the application of molded infrared lens

Ju Hyeon Choi, Young Jun Jang, Du Hwan Cha, Jeong-Ho Kim, Hye-Jeong Kim

Proceedings Volume 9253, 925310 (2014) https://doi.org/10.1117/12.2068005

KEYWORDS: Chalcogenide glass, Glasses, Infrared lenses, Infrared radiation, Thermography, Glass molding, Germanium, Precision glass molding, Photonics, Chalcogenides

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Proceedings Article | 7 October 2014 Paper

Fabrication of chalcogenide glass lens module for thermal security camera

Du Hwan Cha, Yeon Hwang, Jeong-Ho Kim, Dong-Sik Kim, Hye-Jeong Kim

Proceedings Volume 9249, 924916 (2014) https://doi.org/10.1117/12.2066805

KEYWORDS: Chalcogenide glass, Thermography, Cameras, Glass molding, Glasses, Germanium, Optical design, Tolerancing, Aspheric lenses, Lens design

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Proceedings Article | 18 March 2014 Paper

Development of chalcogenide glass with thermal stability for molded infrared lens

Ju Choi, Du Hwan Cha, Hee Young Kang, Jeong-Ho Kim, Hye-Jeong Kim

Proceedings Volume 8982, 89821U (2014) https://doi.org/10.1117/12.2038341

KEYWORDS: Glasses, Chalcogenide glass, Infrared lenses, Germanium, Thermography, Crystals, Infrared radiation, Selenium, Antimony, Chalcogenides

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Proceedings Article | 7 May 2013 Paper

Fabrication and evaluation of chalcogenide glass molding lens for car night-vision system

Du Hwan Cha, Yeon Hwang, Jeong-Ho Kim, Hye-Jeong Kim

Proceedings Volume 8781, 878117 (2013) https://doi.org/10.1117/12.2017207

KEYWORDS: Chalcogenide glass, Glass molding, Thermography, Aspheric lenses, Glasses, Germanium, Lens design, Infrared imaging, Chalcogenides, Sensors

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Proceedings Article | 10 September 2007 Paper

Study on pressing conditions in the molding of aspheric glass lenses for phone camera module using design of experiments

Hye-Jeong Kim, Du-Hwan Cha, Sang-Suk Kim, Jeong-Ho Kim

Proceedings Volume 6717, 671709 (2007) https://doi.org/10.1117/12.754331

KEYWORDS: Aspheric lenses, Photovoltaics, Glasses, Lenses, Glass molding, Diffractive optical elements, Cameras, Lens design, Process control, Cobalt

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