Resonantly-enhanced harmonic generation in Argon | Zendy

Philipp Ackermann | Zendy; Holger Münch | Zendy; Thomas Halfmann | Zendy

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Resonantly-enhanced harmonic generation in Argon

Author(s) -

Philipp Ackermann,

Holger Münch,

Thomas Halfmann

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.013824

Subject(s) - optics , resonance (particle physics) , argon , laser , picosecond , high harmonic generation , harmonic , photon , wavelength , second harmonic generation , physics , atomic physics , nonlinear optics , materials science , quantum mechanics

We present systematic investigations of harmonic generation in Argon, driven in the vicinity of a five-photon resonance by intense, tunable picosecond radiation pulses. When properly matching the laser frequency with the Stark-shifted multi-photon resonance, we observe a pronounced enhancement not only of the 5th, but also the 7th and 9th harmonic of the driving laser (i.e. at orders higher than the involved multi-photon resonance). We study the harmonic yield at different intensities and wavelengths of the driving laser to determine optimal conditions for resonantly-enhanced harmonic generation.

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