Abstract
In this letter, micro-explosions mechanisms induced by a single focused femtosecond laser pulse are investigated. Optical breakdown mechanisms of long laser pulse and short laser pulse are compared. The analytic expressions of micro-explosions threshold are derived. Based on this formula, micro-explosions threshold induced by a single focused femtosecond laser pulse in fused silica is calculated. The calculated results agree with the experimental data well.
Original language | English |
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Pages (from-to) | 969-971 |
Number of pages | 3 |
Journal | Guangzi Xuebao/Acta Photonica Sinica |
Volume | 36 |
Issue number | 6 |
State | Published - Jun 2007 |
Externally published | Yes |
Keywords
- Femtosecond laser pulse
- Fused silica
- Micro-explosions threshold
- Transparent material