Abstract
Self-focusing of ultrashort pulses in air is investigated by means of numerical simulations. The role of the vibrational Raman effect and its dependence on pulse chirp is studied, with results shedding new light on the interpretation of the measurements of the critical self-focusing power. We also discuss computational modeling issues important specifically for few-cycle pulses.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2017-2019 |
| Number of pages | 3 |
| Journal | Optics letters |
| Volume | 38 |
| Issue number | 12 |
| DOIs | |
| State | Published - Jun 15 2013 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
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