Tsunami Mode-Locked Ti-sapphire Laser
6-4
5. Open both laser shutters and check the alignment of the pump beam
entering the Tsunami laser.
Refer to Chapter 5, “Installation: Installing the Pump Laser” and
“Installing the Tsunami Laser Head,” for initial alignment information.
Close the shutter when done.
6. Verify pump laser performance.
a. Once the pump laser is warmed up, open its shutter and set the
laser for nominal output power:
b. Return pump laser power to minimum and close the shutter.
7. Set the initial position for cavity focusing mirror M
3
.
a. Hold the M
3
translation stage in place with one hand as you loosen
its clamping setscrew (Figure 6-3).
Figure 6-3: The
M
3
Translation Stage
Table 6-1: Pump Power Requirements
Wavelength Pump Laser Pump Power
Broadband Millennia X
Millennia VIII
Millennia V
7 to 8 W
7 to 8 W
4 to 5 W
Blue Millennia X
Millennia VIII
Millennia V
5 to 6 W
5 to 6 W
4 to 5 W
Standard
Medium
Long
Millennia X
Millennia VIII
Millennia V
7 to 8 W
7 to 8 W
4 to 5 W
Extra-long Millennia X 9 to 10 W
Caution!
Do not adjust mirrors M
2
and M
3
to their initial position (Steps 7 and
10) unless you are sure they have been moved since the initial installa-
tion. If they have not been moved, skip to Step 9.
Setscrew
Reference
Marks