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PHELIX Target Chamber
Behind the Pulse Compressor, a 45 degrees off-axis copper parabola focuses the laser beam into the target chamber. This way intensitiesof more than 1020 W/cm² can be achieved.
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The target chamber allows for laser-only experiments. The focusing parabula is
located in the very left vacuum vessel.
Focus profile of the PHELIX laser beam measured in the target chamber.
Typical system parameters:
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Focal length of parabola: |
1.5 m |
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Typical spot size: |
< 50 µm |
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Strehl ratio: |
0.3 |
Experiments carried out so far include the collimation of laseraccelerated particles using pulsed dipoles as well as the generationof both coherent (X-ray laser) and non-coherent (k-alpha) secondarysources for supporting the GSI research program.
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