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Divergence needs to be adjusted to match main laser (find good procedure to do this).
- Collimation matched with main beam (Jan 2022): http://physics-elog.slac.stanford.edu/facetelog/show.jsp?dir=/2022/05/31.01&pos=2022-01-31T16:29:11
- Spatial overlap with main beam (Jan 2022): http://physics-elog.slac.stanford.edu/facetelog/show.jsp?dir=/2022/01/03.01&pos=2022-01-03T17:25:01
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