Passage of a~10⁹W/cm23470-Å mode-locked laser beam through a few torr of Cs vapor results in efficient parametric conversion of pump light into beams of ultrashort pulses at wavelengths located near the ∼ 3600-Å6s-9pand ∼ 3900-Å6s-8pCs resonance lines. In addition, ultrashort pulses at roughly ten different infrared wavelengths lying between ∼ 6 and 20μ are produced. The four- and six-wave parametric processes responsible for the conversion are initiated by stimulated electronic Raman emission.
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Sorokin et al. (1973) studied this question.
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