Multiphoton ionization in dielectrics: comparison of circular and linear polarization

Ionization mechanisms in bulk dielectrics irradiated by single intense 50-fs-laser pulses are investigated by ultrafast time-resolved imaging interferometry. Polarization-sensitive 6-photon ionization is shown to be the dominant ionization mechanism in fused silica and sapphire at intensities around...

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Veröffentlicht in:	Physical review letters 2006-12, Vol.97 (23), p.237403-237403, Article 237403
Hauptverfasser:	Temnov, V V, Sokolowski-Tinten, K, Zhou, P, El-Khamhawy, A, von der Linde, D
Format:	Artikel
Sprache:	eng
Schlagworte:	ATOMIC AND MOLECULAR PHYSICS CROSS SECTIONS DIELECTRIC MATERIALS INTERFEROMETRY LASERS PHOTOIONIZATION POLARIZATION PULSES SAPPHIRE SILICA TIME RESOLUTION
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