Download Evolution 30 - Spectra

Chapter 6
Maintenance
The Evolution-30 has been designed for minimal maintenance. The routine
procedures described in this chapter are recommended to keep the system
in good working condition. For further information, contact your SpectraPhysics service representative.
Lasing Optimization
Cavity Mirror Adjustments
All of the optical mounts in the Evolution-30 are securely fastened to the
rigid base plate of the laser head. Nevertheless, the mirrors may become
slightly misaligned due to changes in room temperature, bumps or other
stresses on the laser head. If this happens, the end mirrors of the laser
cavity may require adjustment.
Improper adjustment of the Evolution-30 laser can result in damage to
the laser rod or LBO crystal. Do not attempt to adjust the Evolution-30
mirrors until you have read this section. If you are uncertain about this
procedure, contact your Service representative for assistance.
Protective eyewear MUST be worn for protection from all wavelengths
emitted by the Evolution-30. Refer to Chapter 2, “Laser Safety,” in this
manual.
Use the following procedure to optimize the cavity mirrors:
Materials required:
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Laser safety goggles
Infrared viewer or card
Two 1/8-inch ball-tipped Allen wrenches
Calibrated power meter capable of measuring at least 30 watts
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