Double optical gating of high order harmonics from plasma surfaces

Abstract Laser driven high harmonic generation from relativistically oscillating plasma surfaces is a promising route to isolated attosecond pulses with high peak brightness. Here we investigate a double optical gating scheme to restrict the emission to only a single, intense, attosecond pulse even...

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Bibliographic Details
Published inNew journal of physics Vol. 23; no. 9; pp. 93010 - 93020
Main Authors Smith, R E, White, E, Gilmore, P M, Dromey, B, Yeung, M
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.09.2021
Subjects
attosecond
Attosecond pulses
Circular polarization
Emission analysis
Harmonic generations
high harmonic generation
Higher harmonics
Lasers
laser–plasma interaction
Physics
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Summary:Abstract Laser driven high harmonic generation from relativistically oscillating plasma surfaces is a promising route to isolated attosecond pulses with high peak brightness. Here we investigate a double optical gating scheme to restrict the emission to only a single, intense, attosecond pulse even with a multi-cycle driving laser. This scheme, which uses a second harmonic field, combined with a pair of counter-rotating circularly polarized laser pulses, leads to more efficient attosecond pulse generation with improved temporal isolation when compared to a single colour polarization gating scheme.
Bibliography:NJP-113874.R1
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/ac2006