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Ceramist > Volume 23(3); 2020 > Article
Ceramist 2020;23(3):261-271.
DOI: https://doi.org/10.31613/ceramist.2020.23.3.02    Published online September 30, 2020.
Development History and State-of-the-art of Laser Ceramics
Ha-Neul Kim1, Jae-Woong Ko1, Young-Jo Park1, Hyeon-Myeong Oh1,2, Hyun-Kwuon Lee2
1Engineering Ceramics Research Group, Korea Institute of Materials Science, Changwon 51508, Republic of Korea
2School of Advanced Materials Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea
Correspondence:  Ha-Neul Kim,
Email: skykim@kims.re.kr
Young-Jo Park,
Email: yjpark87@kims.re.kr
Received: 17 August 2020   • Revised: 31 August 2020   • Accepted: 3 September 2020
Abstract
The most valuable application of transparent ceramics is the laser crystal for the solid-state laser. Especially, since a large-area laser crystal cannot be realized by the single crystal due to the inhomogeneous segregation of laser generating element, the transparent ceramics is considered as the most appropriate material for the high intensity solid-state laser system. In order to generate the laser from the transparent ceramics effectively, it is necessary to remove every single pore for the nearly theoretical inline transmittance as well as to make the ceramics highly durable against the thermal shock induced by heat generation. In this article, while briefly looking back on the global development history of solid-state lasers, we would like to discuss the recent trend of research on transparent ceramics for the solid-state laser in Korea and the direction of future technology development.
Key Words: Transparent, Ceramics, Solid state laser, Laser, Yttria
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