You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 2 Next »

General requirement

RP requires attenuation to XX mJ.

Pre-2022 RP attenuator

Currently installed

4 mirrors and thin-film polarisers 

p-pol as input


Issues:

  • Appears to introduce astigmatism
  • Ghosts when changing polarisation

2022 RP attenuator


4 mirrors and s-pol as input.

Mirrors are 35%R from MPO, AR coating on back and 2 degree wedge.


Reflectivity was tested:


Wedge orientation:




Quote for mirrors:

  • No labels