Analyses of femtosecond laser ablation of Ti, Zr, and Hf

D. Grojo; Joerg Hermann; Sebastien Bruneau; Tatiana E. Itina

doi:10.1117/12.582934

21 October 2004 Analyses of femtosecond laser ablation of Ti, Zr, and Hf

D. Grojo, Joerg Hermann, Sebastien Bruneau, Tatiana E. Itina

Proceedings Volume 5581, ROMOPTO 2003: Seventh Conference on Optics; (2004) https://doi.org/10.1117/12.582934
Event: ROMOPTO 2003: Seventh Conference on Optics, 2003, Constanta, Romania

Abstract

Femtosecond laser ablation of Ti, Zr and Hf has been investigated by means of in-situ plasma diagnostics. Fast plasma imaging with the aid of an intensified charged coupled device (ICCD) camera was used to characterize the plasma plume expansion on a nanosecond time scale. Time- and space-resolved optical emission spectroscopy was employed to perform time-of-flight measurements of ions and neutral atoms. It is shown that two plasma components with different expansion velocities are generated by the ultra-short laser ablation process. The expansion behavior of these two components has been analyzed as a function of laser fluence and target material. The results are discussed in terms of mechanisms responsible for ultra-short laser ablation.

Citation Download Citation

D. Grojo, Joerg Hermann, Sebastien Bruneau, and Tatiana E. Itina "Analyses of femtosecond laser ablation of Ti, Zr, and Hf", Proc. SPIE 5581, ROMOPTO 2003: Seventh Conference on Optics, (21 October 2004); https://doi.org/10.1117/12.582934

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