Optical Alignment
Align Source Mirror A
1. Hold the dental mirror from the Alignment Tool Kit in the area normally occupied by the filter wheel
behind the entrance slit.
2. Align the source mirror A horizontally and vertically until the beam is centered on the entrance slit
as observed using the dental mirror (refer to “Mirror Adjustments").
Align Monochromator Mirror B1
1. Loosen and remove the two screws securing the limit switch to the base. Move the limit switch to
one side so it will not interfere with the installation of the zero order grating Holder tool.
2. Lock the tool in the ‘open’ position by compressing the spring until the pin can be inserted into the
locking hole in the tool.
3. Position the zero order grating Holder tool so that the pin in the base of the tool can be inserted into
the rear screw hole where the limit switch was installed and the hole in the tool base is located over
the front screw hole. Position the grating arm in the L-shaped arm of the tool. Push the tool to the
right as shown in Figure 6.3 when tightening the screw.
Figure 6.3 grating "Nominal zero order" Alignment
4. Place the Mirror B2 Target over the reflective surface of the B2 mirror.
5. Align the B1 Monochromator mirror horizontally and vertically until the beam is centered on the
Mirror B2 Target (refer to “Mirror Adjustments").
6-5
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