Laser-induced periodic annular surface structures on fused silica surface
- Laboratoire d'Optique Appliquee, ENSTA/CNRS/Ecole Polytechnique, 828, Boulevard des Marechaux, Palaiseau F-91762 (France)
- Electron Microscopy for Materials Research (EMAT), University of Antwerp, Groenenborgerlaan 171, Antwerp B-2020 (Belgium)
- Laboratoire de Physique des Interfaces et des Couches Minces, Ecole Polytechnique, CNRS, Palaiseau F-91128 (France)
- Department of Physics and State Key Laboratory for Mesoscopic Physics, Peking University, Beijing 100871 (China)
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.
- OSTI ID:
- 22163062
- Journal Information:
- Applied Physics Letters, Vol. 102, Issue 25; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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