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ActivResonance Controller - FAQs

1) What is the compatibility with different microscopes?

The ActivResonance ControllerTM has been tested with the DI/Veeco Nanoscope IIITM, Nanoscope IIIaTM and Nanoscope IVTM controllers with a phase extender box and the Molecular Imaging PicoSPMTM. Due to the ease of signal access, it should be possible to adapt it to work with most commercial AFM systems. We are working with present users to provide an ActivResonance Control solution for most commercial AFM systems. If you have a microscope you wish to use it with, please contact us and we will endeavour to implement a working system.

2) What is the frequency range?

The ActivResonance Controller has been optimized for a frequency range between 1 and 400 kHz.

3) Can the ActivResonance Controller be used for imaging in liquids and in air?

Yes, the ARC comes in two versions:

• INF-102A - for operating in air only (1-400kHz) environments and
• INF-102AL - for operating in air (1-400kHz) and liquid (1-50kHz) environments

4) What is the difference between the Infinitesima ActivResonance Controller and the Nanoanalytics Q Box?

Our ActivResonance Controller has some extra electronics that allow it to be used for imaging in liquid. As far as we are aware there are no images using other Q boxes or Q enhancements, such as that in the Nanoscope IVTM, showing Q technology working in liquid to enhance imaging.

5) What is the connectivity and accessibility of signals?

As well as the DI/Veeco D-connector, there are three BNCs on the back of the ActivResonance Controller which allow access to the major signals. There is also access to monitor an additional four signals at different stages in the ActivResonance Controller circuit on the front panel, to enable the maximum amount of control and information for the academic user.

6) Can the ActivResonance Controller be used to reduce the Q?

Yes, the unit can implement a phase shift from 0-360°.

7) How does it interface with commercial AFMs?

With the Nanoscope III controllers, the D-connector from the microscope plugs into the back of the ActivResonance Controller, and a D-connector terminated extension cable is taken from the ActivResonance Controller to the extender. With the MI PicoSPM, three BNC cables connect the MAC box to the ActivResonance Controller. A switch is used to change the configuration of the ActivResonance Controller to suit the microscope. Other microscopes will be implemented using the BNC connectors.