, Volume 98, Issue 2-3, pp 323-326
Date: 03 Oct 2009

Direct shaping of tunable UV ultra-short pulses

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Time shaping of ultra-short UV pulses has been performed using a specially designed acousto-optic programmable dispersive filter in KDP material. A time shaping window up to 5 ps has been obtained in the 260–410 nm range. A temporal/spectral characterization of shaped pulses on this broad UV spectral range is presented. The efficiency at shorter wavelength is limited by two-photon absorption. However several µJ is obtained at the output of the device allowing chemistry coherent control experiment.