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Resonantly-enhanced harmonic generation in Argon |
Optics Express, Vol. 20, Issue 13, pp. 13824-13832 (2012)
http://dx.doi.org/10.1364/OE.20.013824
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Abstract
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.
© 2012 OSA
OCIS Codes
(020.6580) Atomic and molecular physics : Stark effect
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(020.2649) Atomic and molecular physics : Strong field laser physics
ToC Category:
Atomic and Molecular Physics
History
Original Manuscript: April 30, 2012
Revised Manuscript: May 24, 2012
Manuscript Accepted: May 24, 2012
Published: June 6, 2012
Citation
P. Ackermann, H. Münch, and T. Halfmann, "Resonantly-enhanced harmonic generation in Argon," Opt. Express 20, 13824-13832 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-13-13824
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References
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