20 February 2012 Chirped pulses sum frequency generation for deep-­UV picosecond pulse shaping
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We show by experiments and simulations that properly chirped laser pulses enable efficient and broadband sum frequency generation in nonlinear crystals. We achieved high energy, picosecond deep-UV pulses with spectral width one order of magnitude greater than the acceptance bandwidth of the nonlinear interaction. The broad spectrum supports shaping of ps flat-top deep-UV pulses with short rise- and fall-time, which are optimal for driving high brightness photocathode electron guns.
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Carlo Vicario, Alexandre Trisorio, Gunnar Arisholm, Christoph P. Hauri, "Chirped pulses sum frequency generation for deep-­UV picosecond pulse shaping", Proc. SPIE 8260, Ultrafast Phenomena and Nanophotonics XVI, 82600J (20 February 2012); doi: 10.1117/12.915596; https://doi.org/10.1117/12.915596

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