Characterization of Attocube Nanopositioners for Vibration

Report No. ARL-TR-5315
Authors: Dimitri A. Alexson and Doran D. Smith
Date/Pages: September 2010; 22 pages
Abstract: This report describes a series of vibration tests performed on nanopositioners manufactured by the company Attocube. Our goal was to determine if a cantilever mounted in a holder on top of an XYZ nanopositioner vibrated more than the Brownian motion of the cantilever at 4 K. We know that when the cantilever is mounted on a solid mechanical base that it does not vibrate more than the appropriate Brownian motion. The concern about the Attocube nanopositioner is that since it possesses mechanical residences in the 1-kHz area, it might vibrate too much and, hence, excite the cantilever. We find that the Brownian motion of the cantilever mounted on the XYZ nanopositioner is what it should be for the temperature; however, the frequency noise is greater than the Brownian motion would predict. At this time, this result is not understood.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2010