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- Continue by checking the alignment of the VISAR system
  - Adjust the VISAR Z axis to make sure the image is round and sharp (could be set to the value by using the right equation as well). Steps of 50 mic is good.
    Code Block
    language py
    theme RDark
    linenumbers true
    x.visar_z.tweak(0.05)
  - Alternatively, move the Z value by exactly the hitckness thickness of the ablator + material of interest and add the change in position due to the visar window. To calculate the change use the following command
    Code Block
    language py
    theme RDark
    linenumbers true
    op.visar_window_compensation(material="LiF", thickness=400e-6)

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