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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/32547180
Record Status
Checked
Record Id
32547180
Title
Enhancement of high-order harmonic generation in intense laser interactions with solid density plasma by multiple reflections and harmonic amplification
Contributors
P Zhang
,
AGR Thomas (Lancaster University)
Abstract
High order harmonic generation (HHG) from laser solid-density plasma interactions is considered as a promising way to generate bright and ultrashort burst of x-rays. One of the key issues for HHG is the low conversion efficiency due to a power law fall off in harmonic intensity. Here, we explore a possible mechanism for HHG enhancement by reflecting an intense laser pulse multiple times between two plasma surfaces. We find that HHG can be nonlinearly enhanced by orders of magnitude through multiple reflections compared with a single reflection. We argue this enhancement is due to the non-linear combination of the relativistically oscillating plasma mirror and the harmonic-rich pulse generated in preceding reflections. This mechanism should allow moderate power laser systems to efficiently generate coherent, ultrashort bursts of soft x-rays.
Organisation
CI
Keywords
Funding Information
AFOSR
(FA9550-12-1-0310);
AFOSR
(FA9550-14-1-0309);
USADOE
(DE-SC0008352)
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
Appl Phys Lett
106, no. 13 (2015): 131102.
doi:10.1063/1.4916739
2015
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