纳秒激光处理加工钠钙玻璃

2018/01/31   下载量： 3 次

方案摘要

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应用领域 建材/家具
检测样本 建筑玻璃
检测项目
参考标准 暂无

采用Ekspla公司的纳秒工业YAG激光器，型号Baltic对钠钙玻璃的微加工过程进行了研究。给出了激光加工参数和加工质量之间关系的重要信息。

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Glass is an important engineering material for a number of different applications. Over the last years demand on fast and high-quality processing of glass has increased. Although femtosecond or picosecond laser systems offer excellent processing quality, less complex nanosecond laser systems are more stable and widely used for industrial applications and can offer lower processing costs. In this work, we investigated helical drilling of holes in thick soda-lime glass sheets initiating the pro-cess from the backside of a sample. Nanosecond laser pulses with wavelength of 1064 nm or 532 nm, tightly focused in the bulk of transparent material, were absorbed due to avalanche ioniza-tion. During the 30 ns laser pulse interaction with glass, micro-cracks were induced and drilling de-bris was ejected through the etched channel. This approach allowed us to drill the high aspect-ratio taper-less holes in the 4 mm thick soda lime glass with maximum throughput of 1.2 s per hole. Na-nosecond Q-switched diode-pumped solid state (DPSS) laser offered low cost and fine quality drill-ing at high processing speed.

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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