Infoscience

Conference paper

Chirped pulses sum frequency generation for deep - UV picosecond pulse shaping

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. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).

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