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Ceramist > Volume 23(3); 2020 > Article
Ceramist 2020;23(3):302-309.
DOI: https://doi.org/10.31613/ceramist.2020.23.3.05    Published online September 30, 2020.
Correlation of Infrared Optical Lens and Infrared Glass Materials
Choi Ju Hyeon
Korea Photonics Technology Institute, Gwangju, 61007, Republic of Korea
Correspondence:  Choi Ju Hyeon,
Email: juchoi2@kopti.re.kr
Received: 27 August 2020   • Revised: 10 September 2020   • Accepted: 11 September 2020
Abstract
Infrared optical glass properties such as refractive index and dispersion value are key factors in designing infrared optical lenses. Until now, infrared optical lenses successfully have been developed using chalcogenide glass materials such as Ge, As, Sb, S, and Se elements. Trends using corelation between dispersion and abbe number was described using standard Abbe diagrams for broad band spectrum. However, it was reported that dramatic changes to Abbe diagram depending on which band is examined. In this report, newly developed chalcogenide optical glass with low or high dispersion was applied to a new diagram. The effect was investigated by selecting two infrared optical materials that can reduce chromatic Abberations when designing an chromatic lens. It was found that chalcogenide glasses tended to suppress chromatic abberations in comparing with commercial crystal materials, such as ZnSe, ZnS used.
Key Words: Infrared Optical Glass, Infrared Optical Lens
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