Craters and nanostructures on BaF2 sample induced by a focused 46.9nm laser
Source abstract
Abstract
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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Research context
OpenAlex topics: Laser-induced spectroscopy and plasma · Laser Material Processing Techniques · Laser-Plasma Interactions and Diagnostics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology 1 , Block 2A, 2 Yikuang St., 150001 Harbin, Peoples Republic of China
Institute of Physics, Czech Academy of Sciences 3 , Na Slovance 2, 182 21 Prague, Czech Republic
Department of Optical Engineering, School of Astronautics, Harbin Institute of Technology 2 , Block B2, 2 Yikuang St., 150001 Harbin, Peoples Republic of China
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