Ionization-induced high-order nonlinear susceptibility

Muhammad Nurhuda, Akira Suda, Katsumi Midorikawa

Research output: Contribution to journalArticle

18 Citations (Scopus)


The nonlinear susceptibility of atomic hydrogen interacting with an intense laser field was investigated. It was shown that the behavior of the nonlinear susceptibility strongly depends on the laser field intensity. It was also found that the refractive index induced by ionization is 7-20% smaller than that derived from plasma frequency.

Original languageEnglish
Article number041802
Pages (from-to)418021-418024
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number4
Publication statusPublished - Oct 2002

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