Chapter 5 Laser Unit
5.4 LU4A Four-laser Module A
1-173
Figure 5.4-44
3. If the collimation pin comes with the laser coupling
mirror part, take the collimation pin from the laser
coupling mirror part and restore the pin into the hole
again. Attach the centering tool to the collimation pin.
Rotate the centering tool so that the laser light enters
the hole of the centering tool at a right angle.
Figure 5.4-45
4. Put a target such as a piece of paper in the optical
path away from the centering tool.
Figure 5.4-46
5. Open the shutter of the Ar laser ("OPEN" position).
And then, manually open the L3 laser shutter.
Centering tool
Ar laser shutter
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