INFICON Guardian EIES Controller - Manual (Page 118)

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Guardian Co-Deposition Controller Operating Manual
4.8.2 Monochromator Operation
Once the monochromator is installed, you can set the wavelength readout to the
chosen point, using the readout and adjustment knob and making sure the
wavelength lock is loose (left position). Once deposition has begun, the wavelength
may be selected more accurately by varying it slightly around the initial set point.
The maximum rate reading (at constant power) indicates that the wavelength has
been tuned. Slight wavelength tuning may improve signal throughput at this point.
Record the final wavelength and whether it was approached in clockwise or
counterclockwise rotation; this will speed the return to this emission line in the
future. Tighten the wavelength lock (right position).