Atomic and molecular LIBS spectra of Al alloys and composite materials for nanosecond and microsecond excitation

Authors

  • Roman Ostrowski Institute of Optoelectronics, Military University of Technology
  • Wojciech Skrzeczanowski Institute of Optoelectronics, Military University of Technology
  • Antoni Rycyk Institute of Optoelectronics, Military University of Technology
  • Krzysztof Czyż Institute of Optoelectronics, Military University of Technology
  • Antoni Sarzyński Institute of Optoelectronics, Military University of Technology
  • Marek Strzelec Institute of Optoelectronics, Military University of Technology
  • Karol Jach Institute of Optoelectronics, Military University of Technology
  • Robert Świerczyński Institute of Optoelectronics, Military University of Technology

DOI:

https://doi.org/10.4302/plp.v9i4.763

Abstract

Spectral investigations in the UV-VIS range of selected Al alloys and composites, used in the construction of armament components as well as drones, were performed using LIBS technique. Two Nd:YAG lasers were applied: a short pulse 4 ns 60 mJ laser and a long pulse 200/400 (up to 1000) us (~ 2/4 up to 10 J) laser. In experiments with a short laser pulse only atomic spectra were observed while for long pulses, also molecular transitions have been recorded. Electron temperatures of created plasma were found on the base of Boltzmann law. Temperatures are clearly higher for short pulse excitation.

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Published

2017-12-31

How to Cite

[1]
R. Ostrowski, “Atomic and molecular LIBS spectra of Al alloys and composite materials for nanosecond and microsecond excitation”, Photonics Lett. Pol., vol. 9, no. 4, pp. pp. 116–118, Dec. 2017.

Issue

Vol. 9 No. 4 (2017)

Section

Articles

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