Abstract
Two-dimensional 'hat-scratch' structures are fabricated on silica glass by the interference of three non-coplanar beams originating from a single femtosecond laser pulse. The scanning electron microscope (SEM) characterizations show that the as-formed structures are composed of hat holes and scratch marks. The experimental results indicate that the structures are dependent on the intensity of laser beam. The formation of the two-dimensional 'hat-scratch' structures is mainly due to the combined laser ablation effects including ionization, shock wave, plasma expansion, and phase explosion.
| Original language | English |
|---|---|
| Pages (from-to) | 7524-7528 |
| Number of pages | 5 |
| Journal | Applied Surface Science |
| Volume | 255 |
| Issue number | 17 |
| DOIs | |
| State | Published - 15 Jun 2009 |
| Externally published | Yes |
Keywords
- 'Hat-scratch' structure
- Femtosecond laser
- Interference
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