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Nonlinear-optical processes in the near-resonant two-photon excitation of xenon by femtosecond KrF-excimer-laser pulses

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Mossavi,  Kasem
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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PhyRevA46-2707.pdf
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Citation

Tünnermann, A., Mossavi, K., & Wellegehausen, B. (1992). Nonlinear-optical processes in the near-resonant two-photon excitation of xenon by femtosecond KrF-excimer-laser pulses. Physical Review A, 46(5), 2707-2717. doi:10.1103/PhysRevA.46.2707.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-5C83-4
Abstract
The nonlinear response of xenon gas due to a near-resonant two-photon excitation at the 5p6 1S0→6p[1/2]0 transition with a femtosecond KrF-excimer-laser system is investigated for the intensity range 1010–1015 W/cm2. Stimulated hyper-Raman scattering and amplified spontaneous emission of atomic xenon are observed at wavelengths around 823 and 828 nm. These emissions are superimposed by four-wave parametric-oscillation processes leading to strong ultrashort continuum radiation in the visible and near-infrared (650–850 nm), uv (185–400 nm), and vacuum ultraviolet (147–155 nm) spectral ranges with output powers up to 100 MW. From difference-frequency-mixing experiments microscopic nonlinear susceptibilities in the range of ‖χ(3)‖=10-48 to 10-50 m5/V2 have been determined, which are in good agreement with calculations.