Possibility of processing a glass plate by heating the material with an ultraviolet laser

Chaoqun Ma; Ying Zhang; Xiaoxu Liu; Qing Luo; Jiao Yang; Haoyu Li; Lijuan Tan; Juhong Han; He Cai; Guofei An; Kepeng Rong; You Wang

doi:10.1117/12.2585226

4 December 2020 Possibility of processing a glass plate by heating the material with an ultraviolet laser

Chaoqun Ma, Ying Zhang, Xiaoxu Liu, Qing Luo, Jiao Yang, Haoyu Li, Lijuan Tan, Juhong Han, He Cai, Guofei An, Kepeng Rong, You Wang

Author Affiliations +

Proceedings Volume 11617, International Conference on Optoelectronic and Microelectronic Technology and Application; 116171S (2020) https://doi.org/10.1117/12.2585226
Event: International Conference on Optoelectronic and Microelectronic Technology and Application, 2020, Nanjing, China

Abstract

Glass is one of the most important materials in industrial applications because of its high hardness, high thermal stability, and high transparency in the visible band. In general, it is very difficult to process glass with near-infrared, visible, and near-ultraviolet lasers. Physically speaking, the absorption coefficient of the glass sheet is one of the most crucial factors for processing efficiency, and it can be influenced by the temperature of a glass sheet. Therefore, to obtain the optimal processing efficiency, the influence of the temperature on the absorption coefficient should be studied in detail. In this paper, we theoretically and experimentally studied the relationship between the absorption coefficient and the temperature to improve the processing efficiency. A tunable near-ultraviolet Nd:YAG frequency-tripled harmonic laser with the wavelength ranging from 270 to 400 nm was utilized to measure the absorption coefficient, and a Peltier temperature controller was used to heat the glass sheet. It has been demonstrated that controlling the temperature is an efficient method to process the transparent glass sheet.

Citation Download Citation

Chaoqun Ma, Ying Zhang, Xiaoxu Liu, Qing Luo, Jiao Yang, Haoyu Li, Lijuan Tan, Juhong Han, He Cai, Guofei An, Kepeng Rong, and You Wang "Possibility of processing a glass plate by heating the material with an ultraviolet laser", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 116171S (4 December 2020); https://doi.org/10.1117/12.2585226

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