88
XL80 laser system
Visual alignment
Visual alignment
Use the machine to move
the reflector away from the
interferometer�
Stop if the beam drifts past
the edge of the target shutter�
Adjust the beam steerer so
the beam hits the centre of
the target
Use the machine to drive
the reflector towards the
interferometer�
Use the tripod/tripod stage
to translate the beam back
to the centre of the target�
Ensure the laser beam is
on the centre of the target
along the axis�
Repeat until the tw
o beams remain in the centre of the tar
get o
ver the full length of the axis tra
vel,
and signal strength sta
ys in the green when the XL laser shutter is r
otated to the open position.
3
4
5
1
2
6
4
3
1
2
6
5
