Tsunami - Beckman Institute Laser Resource Center

Alianment
WARNING
The birefringent filter is carefully aligned at the factory. Never attempt
to disassemble the filter stack.
8. Verify pump laser performance.
a. Once the pump laser is warmed up, open its shutter and set the
laser for nominal output power:
About 7 to 8 W for the standard, medium, and long wavelengths,
9 to 10 W for extra-long wavelengths, and 5 to 6 W for blue
when using a BeamLok 2080 large-frame laser or 2060-10SA
small-frame laser.
About 5 to 6 W for the BeamLok 2060 small-frame laser for all
wavelengths.
b. Venfy beam mode is TEMoo. i7:sapphire lasers are sensitive to
pump mode quality.
c. Return pump laser power to minimum current and close the shutter.
Do not adjust mirrors M2 and M3 to their initial position (steps 9 and 10)
unless you are sure they have been moved since the initial installation. If
they have not been moved, skip to step 11.
9. Set the initial position for cavity focusing mirror MS.
a. Hold the M3 translation stage in place with one hand as you loosen
the setscrew holding it in place (Figure 6-4).
Setscrew ,
Figure 6-4: The Mg Translation Stage
6-5