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A stretched pulse delivered by the femtosecond frontend can be recompressed in the Pulse
Compressor after being amplified in the laser chain in order to achieve an exit power of up to
500 TW (chirped pulse amplification scheme). It consists of two 48-cm-wide optical gratings used in single-pass configuration. While the compressor grating configuration remains fixed, the resulting recompressed pulse duration can be changed by adjustment of the pulse stretcher of the femtosecond frontend.
The PHELIX Pulse Compressor. The entire setup is build in a vacuum chamber. Each vessel has a height of more than 2 meters.
Schematic view of the PHELIX Pulse Compressor
Keyparameters are:
| ● Minimum compressed pulse length: |
< 700 fs |
| ● Maximum ouput energy: |
140 J |
| ● Gratings: |
1740 lines/mm |
| ● dimensions: |
480 x 350 mm² |
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