本文主要研究内容
作者赵亮（2019）在《整形飞秒激光烧蚀Cu和GDP材料的研究》一文中研究指出：近年来,飞秒激光对材料的烧蚀研究领域得到了广泛的关注,飞秒激光微加工技术并在工业加工领域有着良好的应用前景。飞秒脉冲激光脉宽较短,材料烧蚀过程中热影响区域小,而整形飞秒激光不仅具有此优点,并且可以任意改变脉冲形状实现对烧蚀过程的有效控制,因此整形飞秒激光将在微加工领域呈现出更多的优势。本文采用整形飞秒激光脉冲烧蚀单晶铜和GDP薄膜,通过大量实验数据分析了整形飞秒激光烧蚀单晶铜的物理机制和GDP薄膜微孔形成的规律,具体的研究内容如下:(1)使用整形飞秒激光对单晶铜的进行单脉冲烧蚀,探究了不同能量通量下整形飞秒激光子脉冲个数及相邻子脉冲时间间隔的变化对烧蚀坑深度、表面积、体积和坑内形貌的影响。实验结果表明随着相邻子脉冲时间间隔的增加,烧蚀坑的深度逐渐减小,表面积逐渐增大,且深度的变化率大于表面积的变化率,因此烧蚀坑体积随子脉冲时间间隔的增加而减小。深度、表面积、体积等参数的变化趋势在不同的能量通量条件下相同,但变化的程度不同。我们结合受激辐射热传导机制、等离子体的屏蔽机制、电子-晶格耦合机制等几个方面对深度、表面积和体积的变化趋势进行了分析和解释。(2)在整形飞秒激光对GDP薄膜进行的钻孔实验中,探究了不同能量通量、整形飞秒激光(脉冲序列)子脉冲个数及子脉冲时间间隔对烧蚀孔的尺寸和形貌产生的影响,获得了适用于GDP薄膜钻孔的整形条件。实验结果显示:相同能量通量条件下,烧蚀孔的尺寸、圆度及形貌与整形飞秒激光脉冲的子脉冲个数和子脉冲时间间隔有关。三个能量条件下的变换极限脉冲和子脉冲间隔小的三脉冲序列获得的后孔质量较差并在后孔周围有碎裂现象;相同能量条件下,七脉冲序列烧蚀孔质量更优且圆度更好,前后孔直径随子脉冲间隔增加而减小;子脉冲个数较少时,即三脉冲序列,能量对烧蚀孔的直径影响较大,能量越大获得的前后孔直径越大而前后孔直径差值无明显变化;当子脉冲个数较多时,即七脉冲序列,能量对烧蚀孔的直径以及直径的差值影响都较小。
Abstract
jin nian lai ,fei miao ji guang dui cai liao de shao shi yan jiu ling yu de dao le an fan de guan zhu ,fei miao ji guang wei jia gong ji shu bing zai gong ye jia gong ling yu you zhao liang hao de ying yong qian jing 。fei miao mai chong ji guang mai kuan jiao duan ,cai liao shao shi guo cheng zhong re ying xiang ou yu xiao ,er zheng xing fei miao ji guang bu jin ju you ci you dian ,bing ju ke yi ren yi gai bian mai chong xing zhuang shi xian dui shao shi guo cheng de you xiao kong zhi ,yin ci zheng xing fei miao ji guang jiang zai wei jia gong ling yu cheng xian chu geng duo de you shi 。ben wen cai yong zheng xing fei miao ji guang mai chong shao shi chan jing tong he GDPbao mo ,tong guo da liang shi yan shu ju fen xi le zheng xing fei miao ji guang shao shi chan jing tong de wu li ji zhi he GDPbao mo wei kong xing cheng de gui lv ,ju ti de yan jiu nei rong ru xia :(1)shi yong zheng xing fei miao ji guang dui chan jing tong de jin hang chan mai chong shao shi ,tan jiu le bu tong neng liang tong liang xia zheng xing fei miao ji guang zi mai chong ge shu ji xiang lin zi mai chong shi jian jian ge de bian hua dui shao shi keng shen du 、biao mian ji 、ti ji he keng nei xing mao de ying xiang 。shi yan jie guo biao ming sui zhao xiang lin zi mai chong shi jian jian ge de zeng jia ,shao shi keng de shen du zhu jian jian xiao ,biao mian ji zhu jian zeng da ,ju shen du de bian hua lv da yu biao mian ji de bian hua lv ,yin ci shao shi keng ti ji sui zi mai chong shi jian jian ge de zeng jia er jian xiao 。shen du 、biao mian ji 、ti ji deng can shu de bian hua qu shi zai bu tong de neng liang tong liang tiao jian xia xiang tong ,dan bian hua de cheng du bu tong 。wo men jie ge shou ji fu she re chuan dao ji zhi 、deng li zi ti de bing bi ji zhi 、dian zi -jing ge ou ge ji zhi deng ji ge fang mian dui shen du 、biao mian ji he ti ji de bian hua qu shi jin hang le fen xi he jie shi 。(2)zai zheng xing fei miao ji guang dui GDPbao mo jin hang de zuan kong shi yan zhong ,tan jiu le bu tong neng liang tong liang 、zheng xing fei miao ji guang (mai chong xu lie )zi mai chong ge shu ji zi mai chong shi jian jian ge dui shao shi kong de che cun he xing mao chan sheng de ying xiang ,huo de le kuo yong yu GDPbao mo zuan kong de zheng xing tiao jian 。shi yan jie guo xian shi :xiang tong neng liang tong liang tiao jian xia ,shao shi kong de che cun 、yuan du ji xing mao yu zheng xing fei miao ji guang mai chong de zi mai chong ge shu he zi mai chong shi jian jian ge you guan 。san ge neng liang tiao jian xia de bian huan ji xian mai chong he zi mai chong jian ge xiao de san mai chong xu lie huo de de hou kong zhi liang jiao cha bing zai hou kong zhou wei you sui lie xian xiang ;xiang tong neng liang tiao jian xia ,qi mai chong xu lie shao shi kong zhi liang geng you ju yuan du geng hao ,qian hou kong zhi jing sui zi mai chong jian ge zeng jia er jian xiao ;zi mai chong ge shu jiao shao shi ,ji san mai chong xu lie ,neng liang dui shao shi kong de zhi jing ying xiang jiao da ,neng liang yue da huo de de qian hou kong zhi jing yue da er qian hou kong zhi jing cha zhi mo ming xian bian hua ;dang zi mai chong ge shu jiao duo shi ,ji qi mai chong xu lie ,neng liang dui shao shi kong de zhi jing yi ji zhi jing de cha zhi ying xiang dou jiao xiao 。
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论文作者分别是来自吉林大学的赵亮，发表于刊物吉林大学2019-06-25论文，是一篇关于整形飞秒激光论文,激光烧蚀论文,烧蚀坑论文,钻孔论文,吉林大学2019-06-25论文的文章。本文可供学术参考使用，各位学者可以免费参考阅读下载，文章观点不代表本站观点，资料来自吉林大学2019-06-25论文网站，若本站收录的文献无意侵犯了您的著作版权，请联系我们删除。
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