Experimental studies on plasma emission spectroscopy of laser ablation of hexahydro-l,3,5-trinitro-l,3,5-triazine

Wei Zhang; Ruiqi Shen; Lizhi Wu; Yinghua Ye; Yan Hu

doi:10.1117/12.2010894

16 May 2013 Experimental studies on plasma emission spectroscopy of laser ablation of hexahydro-l,3,5-trinitro-l,3,5-triazine

Wei Zhang, Ruiqi Shen, Lizhi Wu, Yinghua Ye, Yan Hu

Author Affiliations +

Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 87961A (2013) https://doi.org/10.1117/12.2010894
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

A Q-switched Nd: YAG laser (with a wavelength of 532 nm and a pulse width of 15 ns) was used to ablate hexahydrol, 3,5-trinitro-l,3,5-triazine (RDX) in the air. The plasma emission spectra were recorded by an intensified charge-coupled device (ICCD) camera. The results showed that the plasma existed in the process of laser ablation of RDX. In the ultraviolet area, the main spectral lines were C I (187.46 nm and 223.01 nm), C II (323.1 nm) and N II (243.72 nm and 332.9 nm), while the dominating emission lines in the visible area were N II (393.9 nm and 454.7 nm), O II (490.75 nm) and O III (401.2 nm). Under experimental conditions, the intensities of the main peaks grew obviously with the increasing of the pulse delay, but laser energy didn’t have so much effect on the spectra. The ionization of the air almost did not influence plasma emission lines of RDX.

Citation Download Citation

Wei Zhang, Ruiqi Shen, Lizhi Wu, Yinghua Ye, and Yan Hu "Experimental studies on plasma emission spectroscopy of laser ablation of hexahydro-l,3,5-trinitro-l,3,5-triazine", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87961A (16 May 2013); https://doi.org/10.1117/12.2010894

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