Assumptions
Laser energy in focus584 mJ x 0.35 = 204.4 mJ
Camera resolution0.112 um/px
Pulse length48 fs (FWHM)



Light Background MO_MAG

Background  is assumed to be constant value = 60 px counts



Examples of focus quality

z=-1 rev.

z=-0.27 rev.

Focal scan spot size analysis

Max. intensity and a0 as a function of motor position

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