High‐Quality Micropattern Printing by Complex‐Amplitude Modulation Holographic Femtosecond Laser
Taoyong Li,
Lan Jiang,
Zhipeng Wang
et al.
Abstract:Holographic femtosecond laser printing technology is widely used in the fabrication of micropatterns because of its high efficiency and flexibility. However, speckle noise and energy fluctuations limit the quality of the printed structure. In this study, an improved complex‐amplitude modulation holographic femtosecond laser printing method for high‐quality micropattern fabrication is proposed. The holographic light field is divided into a signal area and a surrounding noise area. To improve laser uniformity, p… Show more
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