Nice work Hans-Heinrich,
I like what you have done here.
If I could ask a question; have you considered adapting your set up to show a synthesised or inferred null?
You could use software to build up an image of the entire optic using multiple images from different zone radii correlated to knife edge position.
This would of course require a motorised precision linear slide. Being that we are in the age of affordable CNC hardware, the electro-mechanical side of it should be pretty straightforward.
regards,
~clive.
|