The Formation Mechanism of Femtosecond Laser-induced Periodic Structures on Germanium

Zhixuan Li,Qiang Wu,Song Huang,Suyuan Wang,Xiaoyang Hu,Xinda Jiang,Jianghong Yao,Jingjun Xu

The Formation Mechanism of Femtosecond Laser-induced Periodic Structures on Germanium

2021

Zhixuan Li
Qiang Wu
Song Huang
Suyuan Wang
Xiaoyang Hu
Xinda Jiang
Jianghong Yao
Jingjun Xu

A hydrodynamic model was developed to describe the formation of fs-laser induced periodic structures on Ge based on the thin film equation. The significant role of transient electric field was demonstrated for the first time.

Keywords:

Scanning electron microscope
Laser
Structural coloration
Thin film
Electric field
Germanium
Molecular physics
Femtosecond
Materials science
Transient (oscillation)

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