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Safi A, baheini M, tavassoli S H. Effects of laser energy and inter-pulses delay time on signal enhancement in double pulse laser induced breakdown spectroscopy using reheating configuration . ICOP & ICPET _ INPC _ ICOFS 2015; 21 :621-624
URL: http://opsi.ir/article-1-635-en.html
URL: http://opsi.ir/article-1-635-en.html
1- shahid behehsti university
Abstract: (4022 Views)
In double pulse laser induced breakdown spectroscopy method, two laser pulses are used to increase the intensity of spectral radiation. This method is used various configurations. In this paper reheating configuration of double pulse laser induced breakdown spectroscopy is studied on aluminum sample at atmospheric pressure in air. In this configuration, the second laser pulses are used for heating and interaction with the plasma created by the first laser pulse. For this configuration, the effects of laser pulse energy and delay time between two laser pulses on signal enhancement for various spectral lines are investigated. According to our results, the optimal inter-pulses delay time and energy combination for maximum signal enhancement are reported.
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