20-04-2021 #

Playing with hexagonal MLA #

We have procured a hexagonal MLA with characteristics that are near to what we need for the instrument. The plan is to gain experience with it.

We set-up a new test bench to simulate the light injection at the level of the telescope. It produces a ~ F/200 beam so that a 250 microns pitch MLA can map the ring at 2λ/d.

PSF

First images after the MLA are very nice looking :

Alignment