Femtosecond laser-induced damage of gold films
✍ Scribed by Jörg Krüger; Daniela Dufft; Robert Koter; Andreas Hertwig
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 544 KB
- Volume
- 253
- Category
- Article
- ISSN
- 0169-4332
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Laser micromachining on 1000 nm-thick gold ÿlm using femtosecond laser has been studied. The laser pulses that are used for this study are 400 nm in central wavelength, 150 fs in pulse duration, and the repetition rate is 1 kHz. Plano-concave lens with a focal length of 19 mm focuses the laser beam
Single-shot laser damage threshold of MgO for 40-986 fs, 800 nm laser pulses is reported. The pump-probe measurements with femtosecond pulses were carried out to investigate the time-resolved electronic excitation processes. A theoretical model including conduction band electrons (CBE) production an