...
3) Glue in the CRS resonant mirror cable using a black RTV sealant (Dow-Corning 732 multipurpose sealant), leaving 7" outside of the chamber. Let the glue cure overnight.
4) UV cure a mirror to the resonant mirror alignment jig. Slide the body of the resonant scanner inside its mount and then attach the mount to the alignment jig. Adjust the height of the resonant scanner such that the center of the mirror is aligned with the top surface of the alignment jig. Rotate the resonant scanner such that its mirror is at the same angle as the alignment mirror. This angle can be determined by shining a laser beam at both mirrors simultaneously and rotating the resonant scanner inside its mount until the reflect beams are parallel.
...