NTEGRA Spectra Probe NanoLaboratory. SNOM Measuring Head. Instruction Manual
5. Focus the objective on the cantilever by turning the screw 3 (Fig. 3-19). Watch quality
of the focusing on the monitor of the optical viewing system.
6. Move the probe in the XY plane to a position at which the bottom of the tip is viewed
slightly below the center of the monitor (Fig. 3-24).
Fig. 3-24. Objective focused on the cantilever.
Tip bottom is viewed slightly below the center of the screen
7. Focus the objective on the probe aperture by rotating the screw 3 counterclockwise
until the image of the hollow apex is contrast (Fig. 3-25).
Fig. 3-25. Objective focused on the probe aperture
8. Further steps on adjusting the optical cantilever deflection detection system are
performed within the Control program. So, switch to the
Aiming tab with the
button in the Main Operations panel.
The laser of the optical detection system turns on or off with the
button located
at the right of the Main Parameters panel. When the Control program starts, the laser
turns on automatically.
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