Periodic surface structures on Ni–Fe film induced by a single femtosecond laser pulse with diffraction rings
Periodic surface structures on Ni–Fe film induced by a single femtosecond laser pulse with diffraction rings
复制标题
具有衍射环的单个飞秒激光脉冲诱导的 Ni-Fe 薄膜上的周期性表面结构
DOI：
10.3788/col201715.022201
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发表时间：
2017-02
期刊：
影响因子：
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通讯作者：
贾天卿
中科院分区：
文献类型：
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作者：
周侃;贾天卿
This Letter reports the formation of periodic surface structures on Ni–Fe film irradiated by a single femtosecond laser pulse. A concave lens with a focus length of −150 mm is placed in front of an objective (100×, NA=0.9), which transforms the Gaussian
