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Park H, Wang Z, Xiong H, et al. Size-dependent high-order harmonic generation in rare-gas clusters. Phys Rev Lett. 2014;113(26):263401doi: 10.1103/PhysRevLett.113.263401.
Park, H., Wang, Z., Xiong, H., Schoun, S. B., Xu, J., Agostini, P., & DiMauro, L. F. (2014). Size-dependent high-order harmonic generation in rare-gas clusters. Physical review letters, 113(26), 263401. https://doi.org/10.1103/PhysRevLett.113.263401
Park, Hyunwook, et al. "Size-dependent high-order harmonic generation in rare-gas clusters." Physical review letters vol. 113,26 (2014): 263401. doi: https://doi.org/10.1103/PhysRevLett.113.263401
Park H, Wang Z, Xiong H, Schoun SB, Xu J, Agostini P, DiMauro LF. Size-dependent high-order harmonic generation in rare-gas clusters. Phys Rev Lett. 2014 Dec 31;113(26):263401. doi: 10.1103/PhysRevLett.113.263401. Epub 2014 Dec 31. PMID: 25615328.
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Phys Rev Lett. 2014 Dec 31;113(26):263401. doi: 10.1103/PhysRevLett.113.263401. Epub 2014 Dec 31.

Size-dependent high-order harmonic generation in rare-gas clusters.

Physical review letters

Hyunwook Park, Zhou Wang, Hui Xiong, Stephen B Schoun, Junliang Xu, Pierre Agostini, Louis F DiMauro

Affiliations

  1. Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA.

PMID: 25615328 DOI: 10.1103/PhysRevLett.113.263401

Abstract

High-order harmonic generation (HHG) is investigated in rare-gas clusters as a function of the cluster size using 0.8 and 1.3  μm femtosecond lasers. A characteristic, species-dependent knee structure in the single particle response is observed. A 1D recollision model qualitatively reproduces this behavior and associates it to the degree of delocalization of the initial wave function. Small clusters are observed to have a higher efficiency than monomers but rapidly lose this advantage as the size increases. The implications of these findings on the HHG mechanism in clusters are discussed.

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