Craters and nanostructures on BaF2 sample induced by a focused 46.9nm laser | Zendy

Huaiyu Cui | Zendy; Shuqing Zhang | Zendy; Jingjun Li | Zendy; Haiqiang Lu | Zendy; Yongpeng Zhao | Zendy

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Craters and nanostructures on BaF2 sample induced by a focused 46.9nm laser

Author(s) -

Huaiyu Cui,

Shuqing Zhang,

Jingjun Li,

Haiqiang Lu,

Yongpeng Zhao

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4989557

Subject(s) - laser , thermoelastic damping , ablation , irradiation , materials science , laser ablation , nanostructure , impact crater , atomic force microscopy , period (music) , microscopy , optics , nanotechnology , physics , astrobiology , engineering , thermal , meteorology , nuclear physics , acoustics , aerospace engineering

We successfully damaged BaF2 samples by a 46.9nm capillary discharge laser of 100μJ focused by a toroidal mirror at a grazing incidence. Ablation craters with clear boundaries were detected by optical microscope and atomic force microscope (AFM). Laser-induced nanostructures with a period of ∼1μm were observed in the ablation area under single pulse irradiation and multiple pulses irradiation. The surface behavior was compared and analyzed with that induced by the laser of 50μJ. The nanostructures were supposed to be attributed to the thermoelastic effect and the period of the structures was effected by the energy of the laser

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