| 摘要 |
Device for amplifying short-duration pulses, comprising: - means 2 for producing short pulses 1; - means 4 for broadening the spectrum and the duration of the pulses; - pulse amplification means 3; - means for compressing amplified pulses, including a Galilean afocal optical system 10, 11 placed between two gratings 8, 9, characterised in that the pulse compression optical system supports, without deterioration, high concentrations of energy. <IMAGE>
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