High-order harmonic generation in large molecules and atomic clusters

Summary form only given. Our recent studies of the soft x-rays produced from the intense irradiation of large atomic clusters (100-10,000 atoms per cluster) suggested that these clusters, which form in the adiabatic expansion of a gas jet into vacuum, may be a unique medium for high-order harmonic g...

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Bibliographische Detailangaben
Hauptverfasser:	Ditmire, T., Tisch, J.W.G., Fraser, D.J., Marangos, J.P., Hay, N., Hutchinson, M.H.R., Donnelly, T., Falcone, R.W., Perry, M.D.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Electron optics Frequency conversion Gas lasers Glass Laser excitation Laser theory Nonlinear optics Optical harmonic generation Optical pulses Optical pumping
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Beschreibung
Zusammenfassung:	Summary form only given. Our recent studies of the soft x-rays produced from the intense irradiation of large atomic clusters (100-10,000 atoms per cluster) suggested that these clusters, which form in the adiabatic expansion of a gas jet into vacuum, may be a unique medium for high-order harmonic generation. We have studied the characteristics of the harmonic generation from these clusters and found that, unlike small molecules, clusters can dramatically affect the behavior of the high-order harmonics. We have carefully compared the harmonics generated in single atoms with those produced from clusters with intense, 100-fs laser pulses.