Interestingly, the symbolic evaluation mentioned in the previous post now “just works”. Not sure what I did wrong. Here’s the updated snippet. Also, instead of the additional bp detectors, one can get to all the interesting bits directly from the trace output, e.g.
Tag: gouy phase
Investigating here whether the “simple” external solution with just one focussing element can work at all. Idea is that after BS, one would have a 45deg plane mirror to direct the beam some distance away to a focussing mirror, which produces a waist slightly before (or after) the PR/SR mirror, potentially with another folding mirror […]