Focal plane for different offsets.
- prtlens simulation https://github.com/rdom/prtlens
- large tank filled with oil
- 2 eV laser beam
- rotation axis at the center of mass of the lens
Example of event display for 0 deg rotation:
50 deg rotation:
50 deg rotation and +10 mm x-offset:
Procedure:
Focal plane for 3 layer spherical lens with (95,50) radii (red and green for rotation axis at the edge of the lens), (47.80,29.12) (blue )and 2 layer spherical lens with r=73.58 mm (black) :