Chapter 5 Laser Unit
5.4 LU4A Four-laser Module A
1-182
Figure 5.4-74
16. Fully loosen the clamp screw that fixes the setscrew
for the vertical direction adjustment of the L4 dichroic
mirror adjustment part.
Figure 5.4-75
17. Aim the laser light at the hole of the centering tool
attached in step 3 in "3. Adjusting the Ar laser
position" by rotating the setscrew for the vertical
direction adjustment of the L4 dichroic mirror
adjustment part.
18. Close the L4 laser shutter.
Figure 5.4-76
19. To adjust the 405-nm laser or the 638-nm laser,
select the laser wavelength on the AOTF remote
controller. And then, take the same steps for the
green HeNe laser or the 561-nm solid-state laser.
Rotate the centering tool 90 degrees that was
attached in step 3 in "3. Adjusting the Ar laser
position. The laser light from the 405-nm laser or the
638-nm laser must enter the centering tool at a right
angle.
The laser light must pass through the hole of the
centering tool.
Remove the centering tools.
Vertical-direction setscrew
Centering tool
Centering tool