Plasma effect on the phase matching of high harmonic generation
Chinese Optics Letters, Vol. 9, Issue 1, pp. 011901- (2011)
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Abstract
By optimizing the phase matching condition of high harmonic generation (HHG) from a supersonic neon gas jet, the enhanced HHG in the region of 60?70 eV has been selected. Three-dimensional numerical calculation shows that plasma plays a significant role in the phase matching process of HHG in a supersonic gas jet with short medium length. Due to plasma formation, the harmonic emission decays as the laser intensity reaches over 3.5 ? 1014 W/cm2. The plasma induces the broadening and blue shift of the HHG spectra, which provides a method for fine-tuning the harmonic wavelength.
© 2011 Chinese Optics Letters
OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(350.5400) Other areas of optics : Plasmas
Citation
Hui Lu, Candong Liu, Shitong Zhao, and Peng Liu, "Plasma effect on the phase matching of high harmonic generation," Chin. Opt. Lett. 9, 011901- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-1-011901
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