UV picosecond pulse amplification by a XeCl laser

Abstract
A UV‐preionized discharge‐pumped XeCl excimer laser effectively amplified the frequency‐doubled picosecond (3–4 ps) pulses generated by a passively mode‐locked flashlamp‐pumped rhodamine 6G dye laser tuned to the 308‐nm band. The peak power of the amplified pulse is 710 MW, and the net power gain is 151. The proposed scheme is promising for the construction of a scalable high‐power ultrashort‐pulse generator in the UV region.

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