10 April 1995 Femtosecond vacuum ultraviolet (VUV) pulse characterization
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High power femtosecond pulses in the vacuum ultraviolet (VUV) have been generated through the nonlinear interaction of femtosecond KrF pulses with xenon and argon gas. In xenon, four wave mixing processes lead to VUV pulses at 147 nm and 108 nm with pulse energies in the 10 (mu) J range. In argon, a three photon resonance leads to third harmonic generation at 83 nm and micro joule level pulses near 127 nm generated by a six wave mixing process. To characterize the pulse width of the VUV pulses at 147 nm and 83 nm, techniques based on plasma-induced defocusing and spectral blue shifting are demonstrated.
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S. P. Le Blanc, S. P. Le Blanc, Z. Qi, Z. Qi, Roland A. Sauerbrey, Roland A. Sauerbrey, } "Femtosecond vacuum ultraviolet (VUV) pulse characterization", Proc. SPIE 2377, Generation, Amplification, and Measurement of Ultrashort Laser Pulses II, (10 April 1995); doi: 10.1117/12.206425; https://doi.org/10.1117/12.206425

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