Tsunami Mode-Locked Ti-sapphire Laser
6-32
3. Adjust M
1
then M
10
for maximum output power. Refer to Chapter 7,
“Operation: Optimizing Laser Output.”
4. Install the tuning slit assembly.
a. Close the shutter.
b. Place the tuning slit assembly into the laser head and onto the
micrometer shaft. Refer to Figure 6-8.
c. Rotate the slit width adjustment screw until the dowel pin on the
mating shaft can slide into the slot.
d. Seat the slit assembly against the micrometer stop.
e. Tighten the screw that holds the slit assembly on the shaft.
f. Open the shutter.
g. Verify the slit opening is in the beam path.
h. Adjust M
1
and M
10
for maximum output power.
5. Tune the slit for the desired wavelength.
Refer to Chapter 7, “Operation: Selecting Wavelength, fs Configura-
tion.”
6. When changing from < 900 to > 900 nm, or vice versa, change the
photodiode pc board accordingly. (Do not change the pc board with
the broadband optics set.) Refer to “Aligning the Photodiode PC
Board” earlier in this chapter. Refer to Table 10-1 and Table 10-2 in
Chapter 10 for the pc board type required.
7. Re-enable the AOM by pressing the STATUS mode locker enable but-
ton.
8. Modelock the Tsunami laser.
Refer to Chapter 7, “Operation: Modelocking the Laser.”
9. Adjust
M
1
and M
10
for maximum output power.
Verify pump laser power is at the optimum setting. Refer to Table 6-1
on page 6-4.
To avoid damaging nearby optics when installing the slit, carefully
move it into place and use your hand to support it while you tighten the
mounting setscrew.
Warning!
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