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５ MEASUREMENT OPERATION
■ Adjust
PD
Click
ing on the Adjust PD button opens the Display Window that displays the position of
the la
ser beam irradiating the photodiode.
The r
ed indicator on the left side of the Display Window shows the SUM value (the
intensity
incident p
requested
The red c
the photo
5-232
of the incident laser beam projected on the photodiode. Adjust the laser beam
osition on the cantilever and the photodiode position so that you can obtain the
value.
ircle marks the position that the laser beam is irradiating. Adjust the position of
diode so that this red circle coincides with the part displayed in blue.
Incident laser
beam position
Adjust photodiode
position
Indicator
TMPM5200-2
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