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Phase Detection

Phase detection is the recommended technique for force gradient detection. Set the controls as follows:

Channel 3 image Data Type: Phase
Scan Line: Interleave
Z range: 3 degrees
Line Direction: Retrace

NOTE: It is important that the Line Direction be set to Retrace for both the main and interleave scans. If it is set to Trace, a band may appear along the left side of the images due to the time taken for the tip to move between the surface and the lift scan height.

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