Abstract
We study the time of flight optical emission from titanium and tungsten nanosized particles, generated through femtosecond laser-matter interaction in vacuum, in the wavelength spectral range from 300 to 900 nm. Typical spectra consist of broadband structureless signals similar to black body emission from a macroscopic object. Nanoparticles temperature, deduced from their emission spectra, decreases drastically as a function of their time of arrival at a given distance from the target. This behaviour is seen to be independent of individual particle velocities.
| Original language | English |
|---|---|
| Pages (from-to) | 4360-4363 |
| Number of pages | 4 |
| Journal | Applied Surface Science |
| Volume | 252 |
| Issue number | 13 SPEC. ISS. |
| DOIs | |
| Publication status | Published - 30 Apr 2006 |
Keywords
- Femtosecond laser pulses
- Metallic nanoparticles
- Optical emission
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