Laser-induced periodic annular surface structures on fused silica surface

Abstract : We report on the formation of laser-induced periodic annular surface structures on fused silica irradiated with multiple femtosecond laser pulses. This surface morphology emerges after the disappearance of the conventional laser induced periodic surface structures, under successive laser pulse irradiation. It is independent of the laser polarization and universally observed for different focusing geometries. We interpret its formation in terms of the interference between the reflected laser field on the surface of the damage crater and the incident laser pulse.
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Submitted on : Wednesday, September 4, 2013 - 12:25:05 PM
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Yi Liu, Yohann Brelet, Zhanbing He, Linwei Yu, Benjamin Forestier, et al.. Laser-induced periodic annular surface structures on fused silica surface. Applied Physics Letters, American Institute of Physics, 2013, 102 (25), pp.251103. ⟨10.1063/1.4812354⟩. ⟨hal-00857954⟩

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