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General calibration
Calibration data are transferred to each client on connection.
It allow user to set correct scanning parameters.
Calibration tab shows calibration data were obtained by
measuring test samples. User can change following values:
- $$
- Max DAC, V - maximum DAC output voltage.
- X,Y,Z
- Gain - amplifying coefficient of hi-voltage amplifiers.
- X,Y,Z
- Sensitivity, nm/V - piezomanipulator sensivity on corresponding
axis. If sensivity is set, for example, as
and
graphite lattice period obtained in calibration measurements is equal to
, and from tabulated data it is
then correct sensitivity value
can be found using this equation
- $$
- Inverse Z - user switch on this flag if piezomanipulator has a reverse
polarization. To get a correct value consult with the supplier.
- $$
- Hysteresis - Path to hysteresis calibration file (see 2.1.2).
- $$
- Temperature - Path to temperature controlled sample table calibration
file. File format described here - B.
- $$
- Variables - Path to variables initialization file. At the present moment
this feature is on the development stage.
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Filonov
2005-02-04