Processing of carbon fiber using femtosecond laser
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摘要: 为验证光学加工碳纤维材料的可行性,利用飞秒激光和连续激光对碳纤维块体材料进行了加工。获得了利用飞秒和连续激光加工的表面形貌。与连续激光加工相比,利用脉宽40 fs的激光加工效率较高,加工区边缘形貌较好,加工质量较高。通过不同激光功率下加工孔径尺寸的研究获得了飞秒激光加工阈值在1012 W/cm2量级。研究结果证明了光学加工碳纤维体材料的可行性。Abstract: In order to confirm the feasibility of carbon fiber processing using lasers, the processing of carbon fiber blocks using femtosecond and continuous laser sources was researched. The morphologies of the processed region applying femtosecond and continuous laser sources were investigated. Compared with the processing using continuous laser, the optical processing of carbon fiber blocks using a femtosecond laser with pulse duration of 40fs is efficient and the processing quality is excellent with the edge of the processed region quite smooth. The threshold of processing using femtosecond pulses was deduced to be in the level of 1012 W/cm2 by investigating the radius of processed region with different laser power. The experimental results prove that the optical processing of carbon fiber blocks is feasible.
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Key words:
- carbon fiber /
- femtosecond /
- processing
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