What is it about?
Laser produced plasmas are widely investigated for various applications these days. In this manuscript we point out the importance of double pulse irradiation geometry for laser plasma production in the context of high harmonic generation and thin film production. The differences in plume morphology with respect to single and double pulse irradiations as well as by tweaking parameters such as inter-pulse delay, energy in first and second pulse, background pressure etc. are explained in detail. Plume imaging is the technique used here for plasma diagnostics.
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Why is it important?
This helps understanding the importance of double-pulse scheme when using a picosecond laser pulses to generate plasmas for high harmonic generation application. The publication discusses in depth about the morphological changes that may affect the conditions required for high harmonic generation. Since there are not much investigations on this line of laser plasmas, we hope, this paper would be important to the community.
Perspectives
It was a great pleasure to work on this article and my group supported me well during the research. Such research work providing detailed insights to laser plasma process would be useful to researches moving towards the goal mentioned in the publication.
Dr. Kavya Hemantha Rao
Read the Original
This page is a summary of: Effect of double pulse laser irradiation on the dynamics of picosecond laser-produced plasma, Physics of Plasmas, August 2020, American Institute of Physics,
DOI: 10.1063/5.0011508.
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