
Figure 28: The optics of the DRA.
1. Click the Windows Start button, then Programs, Cary WinUV and then Align.
2. Click the Setup button.
3. Darken the room and set the instrument for white light operation by setting the
following parameters:
Cary tab
Beam Mode Double
Y Mode %R
Ave Time 0.1
SBW 2
Slit Height Full
4. Select the Zero Order checkbox and click Apply.
Place a piece of translucent paper in the sample beam path in front of M1 to check that
the beam is centreed. If the beam is not centreed:
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