Abstract

Superradiant amplification (SRA) in laser produced plasmas by KrF laser system for the use of large pump energy is examined by one‐dimensional particle in cell simulation code. Its ultra‐violet laser wavelength has many advantages for SRA. The simulation code predicts that the required signal pulse width is shorter than ∼ 100fs for out supposed conditions if the seed signal pulse shape is gaussian. Transient Raman scattering wavelength conversion in gaseous media can create truncated leading edge pulse. The simulation code showed the pulse can form leading edge spike by the amplification in plasmas.

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