High-order harmonics of 248.6-nm KrF laser from helium and neon ions

S.G. Preston, A. Sanpera, Matthew Zepf, W.J. Blyth, C.G. Smith, J.S. Wark, M.H. Key, K. Burnett, M. Nakai, D. Neely, A.A. Offenberger

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121 Citations (Scopus)

Abstract

We report high harmonic generation from a 248.6-nm KrF laser giving harmonic orders up to the 37th (67 Angstrom) in a helium gas jet and the 35th (71 Angstrom) in neon, for laser intensities up to 4 x 10(17) W/cm(2) in 380-fs pulses. These observations are interpreted using theoretical modeling that identifies the ion species He+, Ne+, and Ne2+ as the sources of the highest harmonics.
Original languageEnglish
Pages (from-to)R31-R34
Number of pages4
JournalPhysical Review A
Volume53
Publication statusPublished - 1996

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