中国激光, 2018, 45 (7): 0701007, 网络出版: 2018-09-11   

高重频飞秒激光焊接石英玻璃 下载: 1258次

Welding of Fused Silica by Using High Repetition Frequency Femtosecond Laser
作者单位
1 中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800
2 华工激光工程有限责任公司技术中心, 湖北 武汉 430000
3 中国科学院大学, 北京 100049
摘要
超短脉冲激光可以直接对玻璃进行焊接,不需要在两片玻璃之间添加吸收介质,也不需要对材料进行热处理,应用前景广阔。利用飞秒激光热累积效应成功实现了石英玻璃之间的焊接,研究了激光重复频率和激光功率对玻璃焊接质量的影响。石英玻璃焊接区由3部分构成,包括顶部的圆形空腔、中部的熔融区域和底部的线形损伤结构,石英玻璃的焊接强度是3部分结构共同作用的结果。实验表明:在保持激光重复频率为500 kHz时,熔融区面积随着激光功率的增大而增大,但是焊接强度出现了先增大后减小的趋势;在保持激光功率为4.14 W时,熔融区面积和焊接强度随激光重复频率增长而减小。此外,还实现了铝硅酸盐玻璃之间和钠钙玻璃之间的焊接,并对不同成分玻璃的焊接端面形貌进行了对比。
Abstract
The ultrashort pulse laser, which has a wide application prospect, can weld the glass directly. It does not need to add the absorbing medium between the two pieces of glass and does not need thermal treatment for the material. The welding of two pieces of fused silica is successfully achieved using the thermal accumulation effect of femtosecond laser pulses. In addition, the dependence of welding quality on laser repetition frequency and power is investigated. The welding zone of fused silica comprises three parts, e.g., the circular cavity on the top, the molten area in the middle and the linear damage structure at the bottom, and all the three parts make contributions to the welding strength of fused silica. The experiments show that with a laser repetition frequency of 500 kHz, the molten zone area increases with the increase of the laser power, but the welding strength increases first and then decreases. When the laser power keeps as 4.14 W, both molten zone area and welding strength decrease with the increase of laser repetition frequency. Furthermore, two pieces of aluminosilicate glass and soda-lime glass are also successfully welded and the welding end surface morphologies of the glass with different components are compared.

丁腾, 王雪辉, 王关德, 钱静, 王何宁, 娄孔昱, 王玉莹, 赵全忠. 高重频飞秒激光焊接石英玻璃[J]. 中国激光, 2018, 45(7): 0701007. Teng Ding, Xuehui Wang, Guande Wang, Jing Qian, Hening Wang, Kongyu Lou, Yuying Wang, Quanzhong Zhao. Welding of Fused Silica by Using High Repetition Frequency Femtosecond Laser[J]. Chinese Journal of Lasers, 2018, 45(7): 0701007.

本文已被 6 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!