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.
Vicario, Carlo; Trisorio, Alexandre; Arisholm, Gunnar; Hauri, Christoph P.. Chirped pulses sum frequency generation for deep-UV picosecond pulse shaping. Proceedings of SPIE, the International Society for Optical Engineering 2012 ;Volum 8260. s. 82600J-1-