Nanosurf easyScan 2 AFM, Operating Instructions Manual

Page: 56 / 164

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EASUREMENT
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displayed.
Select an interesting region by drawing a square with the mouse pointer:
- Click on one corner of the region using the left mouse button, and keep
the button pressed.
- Drag the mouse to the other corner of the region, and then release it.
The size and the position of the square are shown in the Tool result panel.
- Release the mouse button when the square’s size covers approximately one
period of the grid.
- Confirm the selection by double clicking the color map graph using the
left mouse button. Now the selection is enlarged to the whole display size.
You can abort the zoom function by clicking
again.
The microscope will now start measuring a single grid period. Once the
measurement is completed, you should get an image such as the one in
figure
Zoomed measurement , left . The depression in the sample surface to
the sides of the structure is due to data filter used. To remove it, select the
data filter ‘Raw Data’ in the Data filter drop-down, indicated by the
icon in the Chart bar. The chart will now become similar to figure Zoomed
measurement , right .
Zoomed measurement: left: with line subtraction, right: without line subtraction.