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5) Cement the fold mirror centered to mirror blank (non-frosted side). Using norland 81. The mirror blank then fits inside the mount on the gimbal.
***Describe gluing procedure ***
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15) Add two mirrors such that beam is level as it goes into the entrance of periscope.
16) Set periscope entrance mirror center to be 120 mm heigh (height of laser beam).
Pockels cell
Shutter
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