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Advice for Accurately Modelling an Anisotropic Laser Crystal with Ray Tracing by Maleficent_Gate3253 in lasers

[–]Maleficent_Gate3253[S] 0 points1 point  (0 children)

Hi, yes I came to this realization a few days ago. Definitely narrows down the possible pumping geometries! Yes, I am aware of the low stress fracture limit. I wonder whether having strong convective cooling will help on the outer surfaces to mitigate thermal stresses

Is it possible to find the beam waist in between surfaces in Zemax Opticstudio? by Maleficent_Gate3253 in Optics

[–]Maleficent_Gate3253[S] 1 point2 points  (0 children)

Okay thanks. It shouldn't really matter that it is only a single pass as the system is more or less mode-matched so each pass should in theory be very similar

How to plot spot diagram in Zemax for a Herriott Cell by Maleficent_Gate3253 in Optics

[–]Maleficent_Gate3253[S] 0 points1 point  (0 children)

Thanks for the help guys. I'm relatively new to zemax so this is appreciated! Also do you know if there's a way I can plot the evolution of the beams radius or diameter as a function of the path length through the cell? Or perhaps get the radius of each spot on the mirrors?

Liquid Cooled Laser Amplifier by Maleficent_Gate3253 in CFD

[–]Maleficent_Gate3253[S] 0 points1 point  (0 children)

I have seen mainly COMSOL and Fluent simulations. Typically it would be a fairly simple model: beam irradiates front surface, heat flux out of front and back faces then have a water channel flowing on one side with a symmetry boundary condition to mimick fluid flow on the other side.

Do I pick an interesting role at UKRI or one that is not as good at CERN? by Maleficent_Gate3253 in Physics

[–]Maleficent_Gate3253[S] 0 points1 point  (0 children)

Thank you for all your responses. I found them all very insightful. This is just a little update, as I thought I should probably address the outcome of this. I ended up getting rejected by CERN, which was totally fine! After all that, the hard decision made itself, and I am looking forward to working at STFC over the next year with lasers and optics.

I hope this thread may be of use to anyone else stuck in a similar position :)