红外与激光工程, 2015, 44 (3): 0893, 网络出版: 2016-01-26   

利用飞秒激光和纳秒激光脉冲加工金刚石(英文)

Processing of diamond applying femtosecond and nanosecond laser pulses
作者单位
1 哈尔滨工业大学可调谐激光国家级重点实验室,黑龙江 哈尔滨 150080
2 北京星航机电装备有限公司,北京 100074
3 哈尔滨工业大学软件学院,黑龙江 哈尔滨 150080
4 哈尔滨工业大学精密机械中心,黑龙江 哈尔滨 150080
摘要
分别利用脉宽在40 fs和5 ns的飞秒及纳秒激光脉冲加工了钎焊在不锈钢底板上的金刚石阵列。通过测量加工区域面积和入射激光功率的关系推断出了飞秒和纳秒激光脉冲加工金刚石材料的阈值。实验结果表明,相比于纳秒激光加工,利用飞秒激光加工金刚石的阈值更低。也利用显微镜比较了利用不同种类光源加工金刚石后加工区域的形貌。研究结果证明了利用飞秒激光加工金刚石相比于纳秒激光更为有效。
Abstract
Diamond array was braze welded on the stainless steel substrate which was processed applying femtosecond and nanosecond laser pulses with pulse duration 40 fs and 5 ns, respectively. The threshold of diamond processed using femtosecond and nanosecond laser pulses was deduced by measuring the relationship between fabricated area and laser power. The processing results show that the threshold of diamond processed by femtosecond laser pulses is lower compared with that processed by nanosecond laser pulses. The morphology of the processed region using differentkinds of laser sources was also compared with microscope. The processing of diamond applying femtosecond was confirmed more effective than that using nanosecond pulses.

董志伟, 张伟斌, 郑立威, 姜涛, 范国祥, 赵煦, 赵清亮, 陈德应, 夏元钦. 利用飞秒激光和纳秒激光脉冲加工金刚石(英文)[J]. 红外与激光工程, 2015, 44(3): 0893. Dong Zhiwei, Zhang Weibin, Zheng Liwei, Jiang Tao, Fan Guoxiang, Zhao Xu, Zhao Qingliang, Chen Deying, Xia Yuanqin. Processing of diamond applying femtosecond and nanosecond laser pulses[J]. Infrared and Laser Engineering, 2015, 44(3): 0893.

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