Acousto-optical shaping of ultraviolet femtosecond pulses |
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Authors: | M. Roth M. Mehendale A. Bartelt H. Rabitz |
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Affiliation: | (1) Department of Chemistry, Princeton University, Princeton, NJ 08544, USA |
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Abstract: | This work demonstrates a simple method for ultraviolet (UV) acousto-optical pulse shaping of both spectral amplitude and phase. A fused-silica acousto-optical modulator is used to ensure high transmission and a high damage threshold at 400-nm center wavelength. The technique eliminates complications associated with the parametric transfer of the spectral phase of near-infrared pulses through a nonlinear process out to UV wavelengths, by separating the frequency doubling and shaping processes. Three illustrative applications of phase control are presented: the compensation of material dispersion, the generation of multiple pulse trains, and the generation of arbitrarily shaped pulse trains. Self-diffraction frequency-resolved optical gating is used to characterize the success of the technique. |
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Keywords: | 42.25.-p |
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