High-energy subnanosecond pulse amplification in XeCl

Abstract
Pulse slicing and two‐pass amplification are investigated as a means of producing high‐energy subnanosecond pulses in the near ultraviolet. A simple laboratory‐scale XeCl oscillator–Pockels cell pulse slicer–amplifier system is used to produce 50‐mJ pulses of subnanosecond duration at 308 nm. Comparison of multinanosecond and subnanosecond pulse amplification allows estimation of the amplifier energy storage time to be 5 ns and demonstrates nearly complete extraction of available stored energy by the subnanosecond pulse.

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