Enhanced coherent extreme ultraviolet emission through high order harmonic generation from plasma plumes containing nanoparticles

A new method to calculate the high order harmonic generation from the interaction of ultra-short laser pulses with plasma plumes containing solid nanoparticles has been presented. It is shown that enhancement for a particular harmonic order is almost independent of the nanoparticle size, in agreemen...

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Bibliographic Details
Published in:Journal of applied physics 2014-01, Vol.115 (3)
Main Authors: Singhal, H., Naik, P. A., Kumar, M., Chakera, J. A., Gupta, P. D.
Format: Article
Language:English
Subjects:
Applied physics
Harmonic generations
Nanoparticles
Plumes
Ultraviolet emission
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Summary:A new method to calculate the high order harmonic generation from the interaction of ultra-short laser pulses with plasma plumes containing solid nanoparticles has been presented. It is shown that enhancement for a particular harmonic order is almost independent of the nanoparticle size, in agreement with the observed experimental results which are not explainable by the existing theories applicable to high order harmonic generation from gases or gas clusters.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4862302