Feasibility study of high harmonic generation from short wavelength lasers interacting with solid targets

D.M. Chambers, P.A. Norreys, A.E. Dangor, R.S. Marjoribanks, S. Moustaizis, D. Neely, S.G. Preston, J.S. Wark, I. Watts, Matthew Zepf

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

The generation of the third and fourth harmonics from the interaction of a 1 ps, ultraviolet (UV), krypton fluoride (KrF) laser with a solid surface is investigated. The conversion efficiency is seen to increase linearly with I lambda(2), with a transition from specular harmonic emission to emission into 2 pi steradians occurring between 10(15) and 10(16) W cm(-2) mu m(2). The diffuse emission is strongly dependent on the incidence angle of the laser, with the peak in emission at around 30 degrees being consistent with measurements for resonance absorption. Finally, the conversion efficiencies are found to be in agreement with particle-in-cell (PIC) simulations including appropriate density scalelengths. (C) 1998 Elsevier Science B.V.
Original languageEnglish
Pages (from-to)289-294
Number of pages6
JournalOptics Communications
Volume148
Issue number4-6
Publication statusPublished - 15 Mar 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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