Title

High-order tunable sum and difference frequency mixing in the xuv region

Document Type

Article

Publication Date

3-14-1996

Abstract

We present a study of tunable high-order sum and difference frequency mixing in the 7-70 eV range, in xenon, argon and neon. We mix the light from a terawatt, sub-picosecond titanium-sapphire laser and that from a tunable optical parametric generator. The radiation generated through mixing processes involves absorption or emission of one or two photons from the weak tunable source. The relative strengths of the sum and difference frequency processes depend strongly on the wavelength range of the generated radiation. The sum frequency processes are stronger at low photon energies in xenon, whereas the difference frequency processes dominated at high photon energies, in neon, being almost comparable to harmonic generation.

Publication Source (Journal or Book title)

Journal of Physics B: Atomic, Molecular and Optical Physics

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